Lots of ANSIfying of function decls.

Also a few spots where code has been cleaned up more completely.


FossilOrigin-Name: 2a0a22abb40373f8ef0be9a59e98a390b59ee72f

36 files changed, 2623 insertions, 2617 deletions

diff --git a/generic/tk3d.c b/generic/tk3d.c
index f85d54c..cee599f 100644
--- a/generic/tk3d.c
+++ b/generic/tk3d.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tk3d.c,v 1.15 2005/11/04 11:52:50 dkf Exp $
+ * RCS: @(#) $Id: tk3d.c,v 1.16 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tk3d.h"
@@ -189,7 +189,7 @@ Tk_Get3DBorder(
 {
     Tcl_HashEntry *hashPtr;
     TkBorder *borderPtr, *existingBorderPtr;
-    int new;
+    int isNew;
     XGCValues gcValues;
     XColor *bgColorPtr;
     TkDisplay *dispPtr;
@@ -200,8 +200,8 @@ Tk_Get3DBorder(
 	BorderInit(dispPtr);
     }
 
-    hashPtr = Tcl_CreateHashEntry(&dispPtr->borderTable, colorName, &new);
-    if (!new) {
+    hashPtr = Tcl_CreateHashEntry(&dispPtr->borderTable, colorName, &isNew);
+    if (!isNew) {
 	existingBorderPtr = (TkBorder *) Tcl_GetHashValue(hashPtr);
 	for (borderPtr = existingBorderPtr; borderPtr != NULL;
 		borderPtr = borderPtr->nextPtr) {
@@ -221,7 +221,7 @@ Tk_Get3DBorder(
 
     bgColorPtr = Tk_GetColor(interp, tkwin, colorName);
     if (bgColorPtr == NULL) {
-	if (new) {
+	if (isNew) {
 	    Tcl_DeleteHashEntry(hashPtr);
 	}
 	return NULL;
diff --git a/generic/tkAtom.c b/generic/tkAtom.c
index eab269b..7e370d7 100644
--- a/generic/tkAtom.c
+++ b/generic/tkAtom.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkAtom.c,v 1.4 2005/11/04 11:52:50 dkf Exp $
+ * RCS: @(#) $Id: tkAtom.c,v 1.5 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -83,21 +83,21 @@ Tk_InternAtom(
 {
     register TkDisplay *dispPtr;
     register Tcl_HashEntry *hPtr;
-    int new;
+    int isNew;
 
     dispPtr = ((TkWindow *) tkwin)->dispPtr;
     if (!dispPtr->atomInit) {
 	AtomInit(dispPtr);
     }
 
-    hPtr = Tcl_CreateHashEntry(&dispPtr->nameTable, name, &new);
-    if (new) {
+    hPtr = Tcl_CreateHashEntry(&dispPtr->nameTable, name, &isNew);
+    if (isNew) {
 	Tcl_HashEntry *hPtr2;
 	Atom atom;
 
 	atom = XInternAtom(dispPtr->display, name, False);
 	Tcl_SetHashValue(hPtr, atom);
-	hPtr2 = Tcl_CreateHashEntry(&dispPtr->atomTable, (char *) atom, &new);
+	hPtr2 = Tcl_CreateHashEntry(&dispPtr->atomTable, (char*) atom, &isNew);
 	Tcl_SetHashValue(hPtr2, Tcl_GetHashKey(&dispPtr->nameTable, hPtr));
     }
     return (Atom) Tcl_GetHashValue(hPtr);
@@ -142,7 +142,7 @@ Tk_GetAtomName(
     if (hPtr == NULL) {
 	char *name;
 	Tk_ErrorHandler handler;
-	int new, mustFree;
+	int isNew, mustFree;
 
 	handler = Tk_CreateErrorHandler(dispPtr->display, BadAtom, -1, -1,
 		NULL, (ClientData) NULL);
@@ -153,13 +153,13 @@ Tk_GetAtomName(
 	    mustFree = 0;
 	}
 	Tk_DeleteErrorHandler(handler);
-	hPtr = Tcl_CreateHashEntry(&dispPtr->nameTable, name, &new);
+	hPtr = Tcl_CreateHashEntry(&dispPtr->nameTable, name, &isNew);
 	Tcl_SetHashValue(hPtr, atom);
 	if (mustFree) {
 	    XFree(name);
 	}
 	name = Tcl_GetHashKey(&dispPtr->nameTable, hPtr);
-	hPtr = Tcl_CreateHashEntry(&dispPtr->atomTable, (char *) atom, &new);
+	hPtr = Tcl_CreateHashEntry(&dispPtr->atomTable, (char *) atom, &isNew);
 	Tcl_SetHashValue(hPtr, name);
     }
     return Tcl_GetHashValue(hPtr);
@@ -194,7 +194,7 @@ AtomInit(
 
     for (atom = 1; atom <= XA_LAST_PREDEFINED; atom++) {
 	char *name;
-	int new;
+	int isNew;
 
 	hPtr = Tcl_FindHashEntry(&dispPtr->atomTable, (char *) atom);
 	if (hPtr != NULL) {
@@ -202,10 +202,10 @@ AtomInit(
 	}
 
 	name = atomNameArray[atom - 1];
-	hPtr = Tcl_CreateHashEntry(&dispPtr->nameTable, name, &new);
+	hPtr = Tcl_CreateHashEntry(&dispPtr->nameTable, name, &isNew);
 	Tcl_SetHashValue(hPtr, atom);
 	name = Tcl_GetHashKey(&dispPtr->nameTable, hPtr);
-	hPtr = Tcl_CreateHashEntry(&dispPtr->atomTable, (char *) atom, &new);
+	hPtr = Tcl_CreateHashEntry(&dispPtr->atomTable, (char *) atom, &isNew);
 	Tcl_SetHashValue(hPtr, name);
     }
 }
diff --git a/generic/tkBind.c b/generic/tkBind.c
index 44f5949..2b1be76 100644
--- a/generic/tkBind.c
+++ b/generic/tkBind.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- *  RCS: @(#) $Id: tkBind.c,v 1.38 2005/11/10 11:38:29 dkf Exp $
+ *  RCS: @(#) $Id: tkBind.c,v 1.39 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -962,7 +962,7 @@ Tk_CreateBinding(
     BindingTable *bindPtr = (BindingTable *) bindingTable;
     PatSeq *psPtr;
     unsigned long eventMask;
-    char *new, *old;
+    char *newStr, *oldStr;
 
     psPtr = FindSequence(interp, &bindPtr->patternTable, object, eventString,
 	    1, 1, &eventMask);
@@ -970,7 +970,7 @@ Tk_CreateBinding(
 	return 0;
     }
     if (psPtr->eventProc == NULL) {
-	int new;
+	int isNew;
 	Tcl_HashEntry *hPtr;
 
 	/*
@@ -980,8 +980,8 @@ Tk_CreateBinding(
 	 */
 
 	hPtr = Tcl_CreateHashEntry(&bindPtr->objectTable, (char *) object,
-		&new);
-	if (new) {
+		&isNew);
+	if (isNew) {
 	    psPtr->nextObjPtr = NULL;
 	} else {
 	    psPtr->nextObjPtr = (PatSeq *) Tcl_GetHashValue(hPtr);
@@ -999,23 +999,23 @@ Tk_CreateBinding(
 	append = 0;
     }
 
-    old = (char *) psPtr->clientData;
-    if ((append != 0) && (old != NULL)) {
+    oldStr = (char *) psPtr->clientData;
+    if ((append != 0) && (oldStr != NULL)) {
 	int length;
 
-	length = strlen(old) + strlen(command) + 2;
-	new = (char *) ckalloc((unsigned) length);
-	sprintf(new, "%s\n%s", old, command);
+	length = strlen(oldStr) + strlen(command) + 2;
+	newStr = (char *) ckalloc((unsigned) length);
+	sprintf(newStr, "%s\n%s", oldStr, command);
     } else {
-	new = (char *) ckalloc((unsigned) strlen(command) + 1);
-	strcpy(new, command);
+	newStr = (char *) ckalloc((unsigned) strlen(command) + 1);
+	strcpy(newStr, command);
     }
-    if (old != NULL) {
-	ckfree(old);
+    if (oldStr != NULL) {
+	ckfree(oldStr);
     }
     psPtr->eventProc = EvalTclBinding;
     psPtr->freeProc = FreeTclBinding;
-    psPtr->clientData = (ClientData) new;
+    psPtr->clientData = (ClientData) newStr;
     return eventMask;
 }
 
@@ -1068,7 +1068,7 @@ TkCreateBindingProcedure(
 	return 0;
     }
     if (psPtr->eventProc == NULL) {
-	int new;
+	int isNew;
 	Tcl_HashEntry *hPtr;
 
 	/*
@@ -1078,8 +1078,8 @@ TkCreateBindingProcedure(
 	 */
 
 	hPtr = Tcl_CreateHashEntry(&bindPtr->objectTable, (char *) object,
-		&new);
-	if (new) {
+		&isNew);
+	if (isNew) {
 	    psPtr->nextObjPtr = NULL;
 	} else {
 	    psPtr->nextObjPtr = (PatSeq *) Tcl_GetHashValue(hPtr);
@@ -1638,7 +1638,7 @@ Tk_BindEvent(
 			eventPtr, detail.keySym, &scripts);
 	    } else {
 		if (matchCount >= matchSpace) {
-		    PendingBinding *new;
+		    PendingBinding *newPtr;
 		    unsigned int oldSize, newSize;
 
 		    oldSize = sizeof(staticPending)
@@ -1648,12 +1648,12 @@ Tk_BindEvent(
 		    newSize = sizeof(staticPending)
 			    - sizeof(staticPending.matchArray)
 			    + matchSpace * sizeof(PatSeq*);
-		    new = (PendingBinding *) ckalloc(newSize);
-		    memcpy((void *) new, (void *) pendingPtr, oldSize);
+		    newPtr = (PendingBinding *) ckalloc(newSize);
+		    memcpy((void *) newPtr, (void *) pendingPtr, oldSize);
 		    if (pendingPtr != &staticPending) {
 			ckfree((char *) pendingPtr);
 		    }
-		    pendingPtr = new;
+		    pendingPtr = newPtr;
 		}
 		sourcePtr->refCount++;
 		pendingPtr->matchArray[matchCount] = sourcePtr;
@@ -3998,7 +3998,7 @@ FindSequence(
     Pattern *patPtr;
     PatSeq *psPtr;
     Tcl_HashEntry *hPtr;
-    int flags, count, new;
+    int flags, count, isNew;
     size_t sequenceSize;
     unsigned long eventMask;
     PatternTableKey key;
@@ -4074,9 +4074,9 @@ FindSequence(
     key.object = object;
     key.type = patPtr->eventType;
     key.detail = patPtr->detail;
-    hPtr = Tcl_CreateHashEntry(patternTablePtr, (char *) &key, &new);
+    hPtr = Tcl_CreateHashEntry(patternTablePtr, (char *) &key, &isNew);
     sequenceSize = numPats*sizeof(Pattern);
-    if (!new) {
+    if (!isNew) {
 	for (psPtr = (PatSeq *) Tcl_GetHashValue(hPtr); psPtr != NULL;
 		psPtr = psPtr->nextSeqPtr) {
 	    if ((numPats == psPtr->numPats)
@@ -4088,7 +4088,7 @@ FindSequence(
 	}
     }
     if (!create) {
-	if (new) {
+	if (isNew) {
 	    Tcl_DeleteHashEntry(hPtr);
 	}
 
diff --git a/generic/tkBitmap.c b/generic/tkBitmap.c
index 38b7a34..612e92a 100644
--- a/generic/tkBitmap.c
+++ b/generic/tkBitmap.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkBitmap.c,v 1.13 2005/11/04 11:52:50 dkf Exp $
+ * RCS: @(#) $Id: tkBitmap.c,v 1.14 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -305,7 +305,7 @@ GetBitmap(
     Tcl_HashEntry *nameHashPtr, *predefHashPtr;
     TkBitmap *bitmapPtr, *existingBitmapPtr;
     TkPredefBitmap *predefPtr;
-    int new;
+    int isNew;
     Pixmap bitmap;
     int width, height;
     int dummy2;
@@ -317,8 +317,9 @@ GetBitmap(
 	BitmapInit(dispPtr);
     }
 
-    nameHashPtr = Tcl_CreateHashEntry(&dispPtr->bitmapNameTable, string, &new);
-    if (!new) {
+    nameHashPtr = Tcl_CreateHashEntry(&dispPtr->bitmapNameTable, string,
+	    &isNew);
+    if (!isNew) {
 	existingBitmapPtr = (TkBitmap *) Tcl_GetHashValue(nameHashPtr);
 	for (bitmapPtr = existingBitmapPtr; bitmapPtr != NULL;
 		bitmapPtr = bitmapPtr->nextPtr) {
@@ -423,8 +424,8 @@ GetBitmap(
     bitmapPtr->objRefCount = 0;
     bitmapPtr->nameHashPtr = nameHashPtr;
     bitmapPtr->idHashPtr = Tcl_CreateHashEntry(&dispPtr->bitmapIdTable,
-            (char *) bitmap, &new);
-    if (!new) {
+            (char *) bitmap, &isNew);
+    if (!isNew) {
 	Tcl_Panic("bitmap already registered in Tk_GetBitmap");
     }
     bitmapPtr->nextPtr = existingBitmapPtr;
@@ -433,7 +434,7 @@ GetBitmap(
     return bitmapPtr;
 
   error:
-    if (new) {
+    if (isNew) {
 	Tcl_DeleteHashEntry(nameHashPtr);
     }
     return NULL;
@@ -468,7 +469,7 @@ Tk_DefineBitmap(
     int width,			/* Width of bitmap. */
     int height)			/* Height of bitmap. */
 {
-    int new;
+    int isNew;
     Tcl_HashEntry *predefHashPtr;
     TkPredefBitmap *predefPtr;
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
@@ -487,8 +488,8 @@ Tk_DefineBitmap(
     }
 
     predefHashPtr = Tcl_CreateHashEntry(&tsdPtr->predefBitmapTable,
-            name, &new);
-    if (!new) {
+            name, &isNew);
+    if (!isNew) {
         Tcl_AppendResult(interp, "bitmap \"", name,
 		"\" is already defined", NULL);
 	return TCL_ERROR;
@@ -804,7 +805,7 @@ Tk_GetBitmapFromData(
 {
     DataKey nameKey;
     Tcl_HashEntry *dataHashPtr;
-    int new;
+    int isNew;
     char string[16 + TCL_INTEGER_SPACE];
     char *name;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
@@ -815,8 +816,8 @@ Tk_GetBitmapFromData(
     nameKey.width = width;
     nameKey.height = height;
     dataHashPtr = Tcl_CreateHashEntry(&dispPtr->bitmapDataTable,
-            (char *) &nameKey, &new);
-    if (!new) {
+            (char *) &nameKey, &isNew);
+    if (!isNew) {
 	name = (char *) Tcl_GetHashValue(dataHashPtr);
     } else {
 	dispPtr->bitmapAutoNumber++;
diff --git a/generic/tkCanvLine.c b/generic/tkCanvLine.c
index cd02c18..f645243 100644
--- a/generic/tkCanvLine.c
+++ b/generic/tkCanvLine.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkCanvLine.c,v 1.17 2005/11/04 15:23:05 dkf Exp $
+ * RCS: @(#) $Id: tkCanvLine.c,v 1.18 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include <stdio.h>
@@ -955,11 +955,11 @@ LineInsert(
 {
     LineItem *linePtr = (LineItem *) itemPtr;
     int length, objc, i;
-    double *new, *coordPtr;
+    double *newCoordPtr, *coordPtr;
     Tk_State state = itemPtr->state;
     Tcl_Obj **objv;
 
-    if(state == TK_STATE_NULL) {
+    if (state == TK_STATE_NULL) {
 	state = ((TkCanvas *)canvas)->canvas_state;
     }
 
@@ -982,24 +982,27 @@ LineInsert(
 	linePtr->coordPtr[length-2] = linePtr->lastArrowPtr[0];
 	linePtr->coordPtr[length-1] = linePtr->lastArrowPtr[1];
     }
-    new = (double *) ckalloc((unsigned)(sizeof(double) * (length + objc)));
-    for(i=0; i<beforeThis; i++) {
-	new[i] = linePtr->coordPtr[i];
+    newCoordPtr = (double *)
+	    ckalloc(sizeof(double) * (unsigned)(length + objc));
+    for (i=0; i<beforeThis; i++) {
+	newCoordPtr[i] = linePtr->coordPtr[i];
     }
-    for(i=0; i<objc; i++) {
-	if (Tcl_GetDoubleFromObj(NULL,objv[i],
-		new+(i+beforeThis))!=TCL_OK) {
+    for (i=0; i<objc; i++) {
+	if (Tcl_GetDoubleFromObj(NULL, objv[i],
+		&newCoordPtr[i + beforeThis]) != TCL_OK) {
 	    Tcl_ResetResult(((TkCanvas *)canvas)->interp);
-	    ckfree((char *) new);
+	    ckfree((char *) newCoordPtr);
 	    return;
 	}
     }
 
-    for(i=beforeThis; i<length; i++) {
-	new[i+objc] = linePtr->coordPtr[i];
+    for (i=beforeThis; i<length; i++) {
+	newCoordPtr[i+objc] = linePtr->coordPtr[i];
     }
-    if(linePtr->coordPtr) ckfree((char *)linePtr->coordPtr);
-    linePtr->coordPtr = new;
+    if (linePtr->coordPtr) {
+	ckfree((char *)linePtr->coordPtr);
+    }
+    linePtr->coordPtr = newCoordPtr;
     linePtr->numPoints = (length + objc)/2;
 
     if ((length>3) && (state != TK_STATE_HIDDEN)) {
@@ -1047,9 +1050,9 @@ LineInsert(
 	    }
 	}
 	coordPtr = linePtr->coordPtr+beforeThis+2;
-	for(i=2; i<objc; i+=2) {
+	for (i=2; i<objc; i+=2) {
 	    TkIncludePoint(itemPtr, coordPtr);
-		coordPtr+=2;
+	    coordPtr+=2;
 	}
     }
     if (linePtr->firstArrowPtr != NULL) {
@@ -1061,12 +1064,13 @@ LineInsert(
 	linePtr->lastArrowPtr = NULL;
     }
     if (linePtr->arrow != ARROWS_NONE) {
-	    ConfigureArrows(canvas, linePtr);
+	ConfigureArrows(canvas, linePtr);
     }
 
-    if(itemPtr->redraw_flags & TK_ITEM_DONT_REDRAW) {
+    if (itemPtr->redraw_flags & TK_ITEM_DONT_REDRAW) {
 	double width;
 	int intWidth;
+
 	if ((linePtr->firstArrowPtr != NULL) && (beforeThis>2)) {
 	    /*
 	     * Include new first arrow.
diff --git a/generic/tkCanvPoly.c b/generic/tkCanvPoly.c
index 031b0a3..05d4dfb 100644
--- a/generic/tkCanvPoly.c
+++ b/generic/tkCanvPoly.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkCanvPoly.c,v 1.14 2005/11/04 15:23:05 dkf Exp $
+ * RCS: @(#) $Id: tkCanvPoly.c,v 1.15 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include <stdio.h>
@@ -1016,7 +1016,7 @@ PolygonInsert(
     PolygonItem *polyPtr = (PolygonItem *) itemPtr;
     int length, objc, i;
     Tcl_Obj **objv;
-    double *new;
+    double *newCoordPtr;
     Tk_State state = itemPtr->state;
 
     if (state == TK_STATE_NULL) {
@@ -1034,25 +1034,27 @@ PolygonInsert(
     while (beforeThis<0) {
 	beforeThis += length;
     }
-    new = (double *) ckalloc((unsigned)(sizeof(double) * (length + 2 + objc)));
+    newCoordPtr = (double *)
+	    ckalloc(sizeof(double) * (unsigned)(length + 2 + objc));
     for (i=0; i<beforeThis; i++) {
-	new[i] = polyPtr->coordPtr[i];
+	newCoordPtr[i] = polyPtr->coordPtr[i];
     }
     for (i=0; i<objc; i++) {
-	if (Tcl_GetDoubleFromObj(NULL, objv[i], new+(i+beforeThis)) != TCL_OK){
-	    ckfree((char *) new);
+	if (Tcl_GetDoubleFromObj(NULL, objv[i],
+		&newCoordPtr[i+beforeThis]) != TCL_OK){
+	    ckfree((char *) newCoordPtr);
 	    return;
 	}
     }
 
     for (i=beforeThis; i<length; i++) {
-	new[i+objc] = polyPtr->coordPtr[i];
+	newCoordPtr[i+objc] = polyPtr->coordPtr[i];
     }
     if (polyPtr->coordPtr) {
 	ckfree((char *) polyPtr->coordPtr);
     }
     length += objc;
-    polyPtr->coordPtr = new;
+    polyPtr->coordPtr = newCoordPtr;
     polyPtr->numPoints = (length/2) + polyPtr->autoClosed;
 
     /*
@@ -1061,19 +1063,21 @@ PolygonInsert(
      */
 
     if (polyPtr->autoClosed) {
-	if ((new[length-2] == new[0]) && (new[length-1] == new[1])) {
+	if ((newCoordPtr[length-2] == newCoordPtr[0])
+		&& (newCoordPtr[length-1] == newCoordPtr[1])) {
 	    polyPtr->autoClosed = 0;
 	    polyPtr->numPoints--;
 	}
     } else {
-	if ((new[length-2] != new[0]) || (new[length-1] != new[1])) {
+	if ((newCoordPtr[length-2] != newCoordPtr[0])
+		|| (newCoordPtr[length-1] != newCoordPtr[1])) {
 	    polyPtr->autoClosed = 1;
 	    polyPtr->numPoints++;
 	}
     }
 
-    new[length] = new[0];
-    new[length+1] = new[1];
+    newCoordPtr[length] = newCoordPtr[0];
+    newCoordPtr[length+1] = newCoordPtr[1];
     if (((length-objc)>3) && (state != TK_STATE_HIDDEN)) {
 	/*
 	 * This is some optimizing code that will result that only the part of
diff --git a/generic/tkCanvText.c b/generic/tkCanvText.c
index 05ff604..2cfa782 100644
--- a/generic/tkCanvText.c
+++ b/generic/tkCanvText.c
@@ -9,7 +9,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkCanvText.c,v 1.19 2005/11/04 15:23:05 dkf Exp $
+ * RCS: @(#) $Id: tkCanvText.c,v 1.20 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include <stdio.h>
@@ -899,7 +899,7 @@ TextInsert(
 {
     TextItem *textPtr = (TextItem *) itemPtr;
     int byteIndex, byteCount, charsAdded;
-    char *new, *text;
+    char *newStr, *text;
     Tk_CanvasTextInfo *textInfoPtr = textPtr->textInfoPtr;
 
     string = Tcl_GetStringFromObj((Tcl_Obj *) string, &byteCount);
@@ -918,13 +918,13 @@ TextInsert(
 	return;
     }
 
-    new = (char *) ckalloc((unsigned) textPtr->numBytes + byteCount + 1);
-    memcpy(new, text, (size_t) byteIndex);
-    strcpy(new + byteIndex, string);
-    strcpy(new + byteIndex + byteCount, text + byteIndex);
+    newStr = (char *) ckalloc((unsigned) textPtr->numBytes + byteCount + 1);
+    memcpy(newStr, text, (size_t) byteIndex);
+    strcpy(newStr + byteIndex, string);
+    strcpy(newStr + byteIndex + byteCount, text + byteIndex);
 
     ckfree(text);
-    textPtr->text = new;
+    textPtr->text = newStr;
     charsAdded = Tcl_NumUtfChars(string, byteCount);
     textPtr->numChars += charsAdded;
     textPtr->numBytes += byteCount;
@@ -980,7 +980,7 @@ TextDeleteChars(
 {
     TextItem *textPtr = (TextItem *) itemPtr;
     int byteIndex, byteCount, charsRemoved;
-    char *new, *text;
+    char *newStr, *text;
     Tk_CanvasTextInfo *textInfoPtr = textPtr->textInfoPtr;
 
     text = textPtr->text;
@@ -999,12 +999,12 @@ TextDeleteChars(
     byteCount = Tcl_UtfAtIndex(text + byteIndex, charsRemoved)
 	- (text + byteIndex);
 
-    new = (char *) ckalloc((unsigned) (textPtr->numBytes + 1 - byteCount));
-    memcpy(new, text, (size_t) byteIndex);
-    strcpy(new + byteIndex, text + byteIndex + byteCount);
+    newStr = (char *) ckalloc((unsigned) (textPtr->numBytes + 1 - byteCount));
+    memcpy(newStr, text, (size_t) byteIndex);
+    strcpy(newStr + byteIndex, text + byteIndex + byteCount);
 
     ckfree(text);
-    textPtr->text = new;
+    textPtr->text = newStr;
     textPtr->numChars -= charsRemoved;
     textPtr->numBytes -= byteCount;
 
diff --git a/generic/tkCanvas.c b/generic/tkCanvas.c
index cb22dca..c183830 100644
--- a/generic/tkCanvas.c
+++ b/generic/tkCanvas.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkCanvas.c,v 1.38 2005/11/04 11:52:50 dkf Exp $
+ * RCS: @(#) $Id: tkCanvas.c,v 1.39 2005/11/17 10:57:35 dkf Exp $
  */
 
 /* #define USE_OLD_TAG_SEARCH 1 */
@@ -385,7 +385,7 @@ Tk_CanvasObjCmd(
 {
     Tk_Window tkwin = (Tk_Window) clientData;
     TkCanvas *canvasPtr;
-    Tk_Window new;
+    Tk_Window newWin;
 
     if (typeList == NULL) {
 	InitCanvas();
@@ -396,8 +396,8 @@ Tk_CanvasObjCmd(
 	return TCL_ERROR;
     }
 
-    new = Tk_CreateWindowFromPath(interp, tkwin, Tcl_GetString(argv[1]), NULL);
-    if (new == NULL) {
+    newWin = Tk_CreateWindowFromPath(interp,tkwin,Tcl_GetString(argv[1]),NULL);
+    if (newWin == NULL) {
 	return TCL_ERROR;
     }
 
@@ -408,8 +408,8 @@ Tk_CanvasObjCmd(
      */
 
     canvasPtr = (TkCanvas *) ckalloc(sizeof(TkCanvas));
-    canvasPtr->tkwin = new;
-    canvasPtr->display = Tk_Display(new);
+    canvasPtr->tkwin = newWin;
+    canvasPtr->display = Tk_Display(newWin);
     canvasPtr->interp = interp;
     canvasPtr->widgetCmd = Tcl_CreateObjCommand(interp,
 	    Tk_PathName(canvasPtr->tkwin), CanvasWidgetCmd,
@@ -471,8 +471,8 @@ Tk_CanvasObjCmd(
     canvasPtr->hotPrevPtr = NULL;
     canvasPtr->cursor = None;
     canvasPtr->takeFocus = NULL;
-    canvasPtr->pixelsPerMM = WidthOfScreen(Tk_Screen(new));
-    canvasPtr->pixelsPerMM /= WidthMMOfScreen(Tk_Screen(new));
+    canvasPtr->pixelsPerMM = WidthOfScreen(Tk_Screen(newWin));
+    canvasPtr->pixelsPerMM /= WidthMMOfScreen(Tk_Screen(newWin));
     canvasPtr->flags = 0;
     canvasPtr->nextId = 1;
     canvasPtr->psInfo = NULL;
@@ -1888,7 +1888,7 @@ ConfigureCanvas(
     int flags)			/* Flags to pass to Tk_ConfigureWidget. */
 {
     XGCValues gcValues;
-    GC new;
+    GC newGC;
 
     if (Tk_ConfigureWidget(interp, canvasPtr->tkwin, configSpecs,
 	    objc, (CONST char **) objv, (char *) canvasPtr,
@@ -1911,12 +1911,12 @@ ConfigureCanvas(
     gcValues.function = GXcopy;
     gcValues.graphics_exposures = False;
     gcValues.foreground = Tk_3DBorderColor(canvasPtr->bgBorder)->pixel;
-    new = Tk_GetGC(canvasPtr->tkwin,
+    newGC = Tk_GetGC(canvasPtr->tkwin,
 	    GCFunction|GCGraphicsExposures|GCForeground, &gcValues);
     if (canvasPtr->pixmapGC != None) {
 	Tk_FreeGC(canvasPtr->display, canvasPtr->pixmapGC);
     }
-    canvasPtr->pixmapGC = new;
+    canvasPtr->pixmapGC = newGC;
 
     /*
      * Reset the desired dimensions for the window.
diff --git a/generic/tkColor.c b/generic/tkColor.c
index 2390cb7..0eb80f7 100644
--- a/generic/tkColor.c
+++ b/generic/tkColor.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkColor.c,v 1.11 2005/11/04 11:52:50 dkf Exp $
+ * RCS: @(#) $Id: tkColor.c,v 1.12 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkColor.h"
@@ -189,7 +189,7 @@ Tk_GetColor(
 				 * suitable for passing to XParseColor). */
 {
     Tcl_HashEntry *nameHashPtr;
-    int new;
+    int isNew;
     TkColor *tkColPtr;
     TkColor *existingColPtr;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
@@ -202,8 +202,8 @@ Tk_GetColor(
      * First, check to see if there's already a mapping for this color name.
      */
 
-    nameHashPtr = Tcl_CreateHashEntry(&dispPtr->colorNameTable, name, &new);
-    if (!new) {
+    nameHashPtr = Tcl_CreateHashEntry(&dispPtr->colorNameTable, name, &isNew);
+    if (!isNew) {
 	existingColPtr = (TkColor *) Tcl_GetHashValue(nameHashPtr);
 	for (tkColPtr = existingColPtr; tkColPtr != NULL;
 		tkColPtr = tkColPtr->nextPtr) {
@@ -232,7 +232,7 @@ Tk_GetColor(
 			"\"", NULL);
 	    }
 	}
-	if (new) {
+	if (isNew) {
 	    Tcl_DeleteHashEntry(nameHashPtr);
 	}
 	return NULL;
@@ -289,7 +289,7 @@ Tk_GetColorByValue(
 {
     ValueKey valueKey;
     Tcl_HashEntry *valueHashPtr;
-    int new;
+    int isNew;
     TkColor *tkColPtr;
     Display *display = Tk_Display(tkwin);
     TkDisplay *dispPtr = TkGetDisplay(display);
@@ -308,8 +308,8 @@ Tk_GetColorByValue(
     valueKey.colormap = Tk_Colormap(tkwin);
     valueKey.display = display;
     valueHashPtr = Tcl_CreateHashEntry(&dispPtr->colorValueTable,
-	    (char *) &valueKey, &new);
-    if (!new) {
+	    (char *) &valueKey, &isNew);
+    if (!isNew) {
 	tkColPtr = (TkColor *) Tcl_GetHashValue(valueHashPtr);
 	tkColPtr->resourceRefCount++;
 	return &tkColPtr->color;
diff --git a/generic/tkCursor.c b/generic/tkCursor.c
index 11c0ace..9be2a2e 100644
--- a/generic/tkCursor.c
+++ b/generic/tkCursor.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkCursor.c,v 1.13 2005/11/11 23:51:27 dkf Exp $
+ * RCS: @(#) $Id: tkCursor.c,v 1.14 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -232,7 +232,7 @@ TkcGetCursor(
     Tcl_HashEntry *nameHashPtr;
     register TkCursor *cursorPtr;
     TkCursor *existingCursorPtr = NULL;
-    int new;
+    int isNew;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
 
     if (!dispPtr->cursorInit) {
@@ -240,8 +240,8 @@ TkcGetCursor(
     }
 
     nameHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorNameTable,
-            string, &new);
-    if (!new) {
+            string, &isNew);
+    if (!isNew) {
 	existingCursorPtr = (TkCursor *) Tcl_GetHashValue(nameHashPtr);
 	for (cursorPtr = existingCursorPtr; cursorPtr != NULL;
 		cursorPtr = cursorPtr->nextPtr) {
@@ -257,7 +257,7 @@ TkcGetCursor(
     cursorPtr = TkGetCursorByName(interp, tkwin, string);
 
     if (cursorPtr == NULL) {
-	if (new) {
+	if (isNew) {
 	    Tcl_DeleteHashEntry(nameHashPtr);
 	}
 	return NULL;
@@ -274,8 +274,8 @@ TkcGetCursor(
     cursorPtr->hashPtr = nameHashPtr;
     cursorPtr->nextPtr = existingCursorPtr;
     cursorPtr->idHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorIdTable,
-            (char *) cursorPtr->cursor, &new);
-    if (!new) {
+            (char *) cursorPtr->cursor, &isNew);
+    if (!isNew) {
 	Tcl_Panic("cursor already registered in Tk_GetCursor");
     }
     Tcl_SetHashValue(nameHashPtr, cursorPtr);
@@ -322,7 +322,7 @@ Tk_GetCursorFromData(
     DataKey dataKey;
     Tcl_HashEntry *dataHashPtr;
     register TkCursor *cursorPtr;
-    int new;
+    int isNew;
     XColor fgColor, bgColor;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
 
@@ -340,8 +340,8 @@ Tk_GetCursorFromData(
     dataKey.bg = bg;
     dataKey.display = Tk_Display(tkwin);
     dataHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorDataTable,
-            (char *) &dataKey, &new);
-    if (!new) {
+            (char *) &dataKey, &isNew);
+    if (!isNew) {
 	cursorPtr = (TkCursor *) Tcl_GetHashValue(dataHashPtr);
 	cursorPtr->resourceRefCount++;
 	return cursorPtr->cursor;
@@ -373,10 +373,10 @@ Tk_GetCursorFromData(
     cursorPtr->hashPtr = dataHashPtr;
     cursorPtr->objRefCount = 0;
     cursorPtr->idHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorIdTable,
-            (char *) cursorPtr->cursor, &new);
+            (char *) cursorPtr->cursor, &isNew);
     cursorPtr->nextPtr = NULL;
 
-    if (!new) {
+    if (!isNew) {
 	Tcl_Panic("cursor already registered in Tk_GetCursorFromData");
     }
     Tcl_SetHashValue(dataHashPtr, cursorPtr);
diff --git a/generic/tkEntry.c b/generic/tkEntry.c
index ab628e9..6f97c0c 100644
--- a/generic/tkEntry.c
+++ b/generic/tkEntry.c
@@ -14,7 +14,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkEntry.c,v 1.38 2005/08/10 22:02:22 dkf Exp $
+ * RCS: @(#) $Id: tkEntry.c,v 1.39 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkInt.h"
@@ -38,7 +38,7 @@
 
 
 static char *stateStrings[] = {
-    "disabled", "normal", "readonly", (char *) NULL
+    "disabled", "normal", "readonly", NULL
 };
 
 /*
@@ -46,7 +46,7 @@ static char *stateStrings[] = {
  */
 
 static char *validateStrings[] = {
-    "all", "key", "focus", "focusin", "focusout", "none", (char *) NULL
+    "all", "key", "focus", "focusin", "focusout", "none", NULL
 };
 enum validateType {
     VALIDATE_ALL, VALIDATE_KEY, VALIDATE_FOCUS,
@@ -67,13 +67,12 @@ static Tk_OptionSpec entryOptSpec[] = {
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_ENTRY_BG_COLOR, -1, Tk_Offset(Entry, normalBorder),
 	0, (ClientData) DEF_ENTRY_BG_MONO, 0},
-    {TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
-    {TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
+    {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+    {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
-	DEF_ENTRY_BORDER_WIDTH, -1, Tk_Offset(Entry, borderWidth),
-	0, 0, 0},
+	DEF_ENTRY_BORDER_WIDTH, -1, Tk_Offset(Entry, borderWidth), 0, 0, 0},
     {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
 	DEF_ENTRY_CURSOR, -1, Tk_Offset(Entry, cursor),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -87,27 +86,22 @@ static Tk_OptionSpec entryOptSpec[] = {
     {TK_OPTION_BOOLEAN, "-exportselection", "exportSelection",
 	"ExportSelection", DEF_ENTRY_EXPORT_SELECTION, -1,
 	Tk_Offset(Entry, exportSelection), 0, 0, 0},
-    {TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+    {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
+	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_ENTRY_FONT, -1, Tk_Offset(Entry, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
-	DEF_ENTRY_FG, -1, Tk_Offset(Entry, fgColorPtr), 0,
-	0, 0},
+	DEF_ENTRY_FG, -1, Tk_Offset(Entry, fgColorPtr), 0, 0, 0},
     {TK_OPTION_COLOR, "-highlightbackground", "highlightBackground",
 	"HighlightBackground", DEF_ENTRY_HIGHLIGHT_BG,
-	-1, Tk_Offset(Entry, highlightBgColorPtr),
-	0, 0, 0},
+	-1, Tk_Offset(Entry, highlightBgColorPtr), 0, 0, 0},
     {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
-	DEF_ENTRY_HIGHLIGHT, -1, Tk_Offset(Entry, highlightColorPtr),
-	0, 0, 0},
+	DEF_ENTRY_HIGHLIGHT, -1, Tk_Offset(Entry, highlightColorPtr), 0, 0, 0},
     {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
 	"HighlightThickness", DEF_ENTRY_HIGHLIGHT_WIDTH, -1,
 	Tk_Offset(Entry, highlightWidth), 0, 0, 0},
     {TK_OPTION_BORDER, "-insertbackground", "insertBackground", "Foreground",
-	DEF_ENTRY_INSERT_BG,
-	-1, Tk_Offset(Entry, insertBorder),
-	0, 0, 0},
+	DEF_ENTRY_INSERT_BG, -1, Tk_Offset(Entry, insertBorder), 0, 0, 0},
     {TK_OPTION_PIXELS, "-insertborderwidth", "insertBorderWidth",
 	"BorderWidth", DEF_ENTRY_INSERT_BD_COLOR, -1,
 	Tk_Offset(Entry, insertBorderWidth), 0,
@@ -116,16 +110,14 @@ static Tk_OptionSpec entryOptSpec[] = {
 	DEF_ENTRY_INSERT_OFF_TIME, -1, Tk_Offset(Entry, insertOffTime),
 	0, 0, 0},
     {TK_OPTION_INT, "-insertontime", "insertOnTime", "OnTime",
-	DEF_ENTRY_INSERT_ON_TIME, -1, Tk_Offset(Entry, insertOnTime),
-	0, 0, 0},
+	DEF_ENTRY_INSERT_ON_TIME, -1, Tk_Offset(Entry, insertOnTime), 0, 0, 0},
     {TK_OPTION_PIXELS, "-insertwidth", "insertWidth", "InsertWidth",
-	DEF_ENTRY_INSERT_WIDTH, -1, Tk_Offset(Entry, insertWidth),
-	0, 0, 0},
+	DEF_ENTRY_INSERT_WIDTH, -1, Tk_Offset(Entry, insertWidth), 0, 0, 0},
     {TK_OPTION_STRING, "-invalidcommand", "invalidCommand", "InvalidCommand",
 	DEF_ENTRY_INVALIDCMD, -1, Tk_Offset(Entry, invalidCmd),
 	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_SYNONYM, "-invcmd", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-invalidcommand", 0},
+    {TK_OPTION_SYNONYM, "-invcmd", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-invalidcommand", 0},
     {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
 	DEF_ENTRY_JUSTIFY, -1, Tk_Offset(Entry, justify), 0, 0, 0},
     {TK_OPTION_BORDER, "-readonlybackground", "readonlyBackground",
@@ -133,8 +125,7 @@ static Tk_OptionSpec entryOptSpec[] = {
 	Tk_Offset(Entry, readonlyBorder), TK_OPTION_NULL_OK,
 	(ClientData) DEF_ENTRY_READONLY_BG_MONO, 0},
     {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
-	DEF_ENTRY_RELIEF, -1, Tk_Offset(Entry, relief),
-	0, 0, 0},
+	DEF_ENTRY_RELIEF, -1, Tk_Offset(Entry, relief), 0, 0, 0},
     {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground",
 	DEF_ENTRY_SELECT_COLOR, -1, Tk_Offset(Entry, selBorder),
 	0, (ClientData) DEF_ENTRY_SELECT_MONO, 0},
@@ -160,18 +151,16 @@ static Tk_OptionSpec entryOptSpec[] = {
     {TK_OPTION_STRING_TABLE, "-validate", "validate", "Validate",
 	DEF_ENTRY_VALIDATE, -1, Tk_Offset(Entry, validate),
 	0, (ClientData) validateStrings, 0},
-    {TK_OPTION_STRING, "-validatecommand", "validateCommand", "ValidateCommand",
-	(char *) NULL, -1, Tk_Offset(Entry, validateCmd),
-	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_SYNONYM, "-vcmd", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-validatecommand", 0},
+    {TK_OPTION_STRING, "-validatecommand", "validateCommand","ValidateCommand",
+	NULL, -1, Tk_Offset(Entry, validateCmd), TK_OPTION_NULL_OK, 0, 0},
+    {TK_OPTION_SYNONYM, "-vcmd", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-validatecommand", 0},
     {TK_OPTION_INT, "-width", "width", "Width",
 	DEF_ENTRY_WIDTH, -1, Tk_Offset(Entry, prefWidth), 0, 0, 0},
     {TK_OPTION_STRING, "-xscrollcommand", "xScrollCommand", "ScrollCommand",
 	DEF_ENTRY_SCROLL_COMMAND, -1, Tk_Offset(Entry, scrollCmd),
 	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, 0, 0}
+    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
 };
 
 /*
@@ -198,13 +187,12 @@ static Tk_OptionSpec sbOptSpec[] = {
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_ENTRY_BG_COLOR, -1, Tk_Offset(Entry, normalBorder),
 	0, (ClientData) DEF_ENTRY_BG_MONO, 0},
-    {TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
-    {TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
+    {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+    {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
-	DEF_ENTRY_BORDER_WIDTH, -1, Tk_Offset(Entry, borderWidth),
-	0, 0, 0},
+	DEF_ENTRY_BORDER_WIDTH, -1, Tk_Offset(Entry, borderWidth), 0, 0, 0},
     {TK_OPTION_BORDER, "-buttonbackground", "Button.background", "Background",
 	DEF_BUTTON_BG_COLOR, -1, Tk_Offset(Spinbox, buttonBorder),
 	0, (ClientData) DEF_BUTTON_BG_MONO, 0},
@@ -212,11 +200,9 @@ static Tk_OptionSpec sbOptSpec[] = {
 	DEF_BUTTON_CURSOR, -1, Tk_Offset(Spinbox, bCursor),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_RELIEF, "-buttondownrelief", "Button.relief", "Relief",
-	DEF_BUTTON_RELIEF, -1, Tk_Offset(Spinbox, bdRelief),
-	0, 0, 0},
+	DEF_BUTTON_RELIEF, -1, Tk_Offset(Spinbox, bdRelief), 0, 0, 0},
     {TK_OPTION_RELIEF, "-buttonuprelief", "Button.relief", "Relief",
-	DEF_BUTTON_RELIEF, -1, Tk_Offset(Spinbox, buRelief),
-	0, 0, 0},
+	DEF_BUTTON_RELIEF, -1, Tk_Offset(Spinbox, buRelief), 0, 0, 0},
     {TK_OPTION_STRING, "-command", "command", "Command",
 	DEF_SPINBOX_CMD, -1, Tk_Offset(Spinbox, command),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -233,13 +219,12 @@ static Tk_OptionSpec sbOptSpec[] = {
     {TK_OPTION_BOOLEAN, "-exportselection", "exportSelection",
 	"ExportSelection", DEF_ENTRY_EXPORT_SELECTION, -1,
 	Tk_Offset(Entry, exportSelection), 0, 0, 0},
-    {TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+    {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
+	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_ENTRY_FONT, -1, Tk_Offset(Entry, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
-	DEF_ENTRY_FG, -1, Tk_Offset(Entry, fgColorPtr), 0,
-	0, 0},
+	DEF_ENTRY_FG, -1, Tk_Offset(Entry, fgColorPtr), 0, 0, 0},
     {TK_OPTION_STRING, "-format", "format", "Format",
 	DEF_SPINBOX_FORMAT, -1, Tk_Offset(Spinbox, reqFormat),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -247,19 +232,16 @@ static Tk_OptionSpec sbOptSpec[] = {
 	DEF_SPINBOX_FROM, -1, Tk_Offset(Spinbox, fromValue), 0, 0, 0},
     {TK_OPTION_COLOR, "-highlightbackground", "highlightBackground",
 	"HighlightBackground", DEF_ENTRY_HIGHLIGHT_BG,
-	-1, Tk_Offset(Entry, highlightBgColorPtr),
-	0, 0, 0},
+	-1, Tk_Offset(Entry, highlightBgColorPtr), 0, 0, 0},
     {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
-	DEF_ENTRY_HIGHLIGHT, -1, Tk_Offset(Entry, highlightColorPtr),
-	0, 0, 0},
+	DEF_ENTRY_HIGHLIGHT, -1, Tk_Offset(Entry, highlightColorPtr), 0, 0, 0},
     {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
 	"HighlightThickness", DEF_ENTRY_HIGHLIGHT_WIDTH, -1,
 	Tk_Offset(Entry, highlightWidth), 0, 0, 0},
     {TK_OPTION_DOUBLE, "-increment", "increment", "Increment",
 	DEF_SPINBOX_INCREMENT, -1, Tk_Offset(Spinbox, increment), 0, 0, 0},
     {TK_OPTION_BORDER, "-insertbackground", "insertBackground", "Foreground",
-	DEF_ENTRY_INSERT_BG, -1, Tk_Offset(Entry, insertBorder),
-	0, 0, 0},
+	DEF_ENTRY_INSERT_BG, -1, Tk_Offset(Entry, insertBorder), 0, 0, 0},
     {TK_OPTION_PIXELS, "-insertborderwidth", "insertBorderWidth",
 	"BorderWidth", DEF_ENTRY_INSERT_BD_COLOR, -1,
 	Tk_Offset(Entry, insertBorderWidth), 0,
@@ -268,21 +250,18 @@ static Tk_OptionSpec sbOptSpec[] = {
 	DEF_ENTRY_INSERT_OFF_TIME, -1, Tk_Offset(Entry, insertOffTime),
 	0, 0, 0},
     {TK_OPTION_INT, "-insertontime", "insertOnTime", "OnTime",
-	DEF_ENTRY_INSERT_ON_TIME, -1, Tk_Offset(Entry, insertOnTime),
-	0, 0, 0},
+	DEF_ENTRY_INSERT_ON_TIME, -1, Tk_Offset(Entry, insertOnTime), 0, 0, 0},
     {TK_OPTION_PIXELS, "-insertwidth", "insertWidth", "InsertWidth",
-	DEF_ENTRY_INSERT_WIDTH, -1, Tk_Offset(Entry, insertWidth),
-	0, 0, 0},
+	DEF_ENTRY_INSERT_WIDTH, -1, Tk_Offset(Entry, insertWidth), 0, 0, 0},
     {TK_OPTION_STRING, "-invalidcommand", "invalidCommand", "InvalidCommand",
 	DEF_ENTRY_INVALIDCMD, -1, Tk_Offset(Entry, invalidCmd),
 	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_SYNONYM, "-invcmd", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-invalidcommand", 0},
+    {TK_OPTION_SYNONYM, "-invcmd", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-invalidcommand", 0},
     {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
 	DEF_ENTRY_JUSTIFY, -1, Tk_Offset(Entry, justify), 0, 0, 0},
     {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
-	DEF_ENTRY_RELIEF, -1, Tk_Offset(Entry, relief),
-	0, 0, 0},
+	DEF_ENTRY_RELIEF, -1, Tk_Offset(Entry, relief), 0, 0, 0},
     {TK_OPTION_BORDER, "-readonlybackground", "readonlyBackground",
 	"ReadonlyBackground", DEF_ENTRY_READONLY_BG_COLOR, -1,
 	Tk_Offset(Entry, readonlyBorder), TK_OPTION_NULL_OK,
@@ -317,14 +296,13 @@ static Tk_OptionSpec sbOptSpec[] = {
     {TK_OPTION_STRING_TABLE, "-validate", "validate", "Validate",
 	DEF_ENTRY_VALIDATE, -1, Tk_Offset(Entry, validate),
 	0, (ClientData) validateStrings, 0},
-    {TK_OPTION_STRING, "-validatecommand", "validateCommand", "ValidateCommand",
-	(char *) NULL, -1, Tk_Offset(Entry, validateCmd),
-	TK_CONFIG_NULL_OK, 0, 0},
+    {TK_OPTION_STRING, "-validatecommand", "validateCommand","ValidateCommand",
+	NULL, -1, Tk_Offset(Entry, validateCmd), TK_CONFIG_NULL_OK, 0, 0},
     {TK_OPTION_STRING, "-values", "values", "Values",
 	DEF_SPINBOX_VALUES, -1, Tk_Offset(Spinbox, valueStr),
 	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_SYNONYM, "-vcmd", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, (ClientData) "-validatecommand", 0},
+    {TK_OPTION_SYNONYM, "-vcmd", NULL, NULL,
+	NULL, 0, -1, 0, (ClientData) "-validatecommand", 0},
     {TK_OPTION_INT, "-width", "width", "Width",
 	DEF_ENTRY_WIDTH, -1, Tk_Offset(Entry, prefWidth), 0, 0, 0},
     {TK_OPTION_BOOLEAN, "-wrap", "wrap", "Wrap",
@@ -332,8 +310,7 @@ static Tk_OptionSpec sbOptSpec[] = {
     {TK_OPTION_STRING, "-xscrollcommand", "xScrollCommand", "ScrollCommand",
 	DEF_ENTRY_SCROLL_COMMAND, -1, Tk_Offset(Entry, scrollCmd),
 	TK_CONFIG_NULL_OK, 0, 0},
-    {TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, -1, 0, 0, 0}
+    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
 };
 
 /*
@@ -344,7 +321,7 @@ static Tk_OptionSpec sbOptSpec[] = {
 
 static CONST char *entryCmdNames[] = {
     "bbox", "cget", "configure", "delete", "get", "icursor", "index",
-    "insert", "scan", "selection", "validate", "xview", (char *) NULL
+    "insert", "scan", "selection", "validate", "xview", NULL
 };
 
 enum entryCmd {
@@ -354,7 +331,7 @@ enum entryCmd {
 };
 
 static CONST char *selCmdNames[] = {
-    "adjust", "clear", "from", "present", "range", "to", (char *) NULL
+    "adjust", "clear", "from", "present", "range", "to", NULL
 };
 
 enum selCmd {
@@ -371,7 +348,7 @@ enum selCmd {
 static CONST char *sbCmdNames[] = {
     "bbox", "cget", "configure", "delete", "get", "icursor", "identify",
     "index", "insert", "invoke", "scan", "selection", "set",
-    "validate", "xview", (char *) NULL
+    "validate", "xview", NULL
 };
 
 enum sbCmd {
@@ -382,8 +359,7 @@ enum sbCmd {
 };
 
 static CONST char *sbSelCmdNames[] = {
-    "adjust", "clear", "element", "from", "present", "range", "to",
-    (char *) NULL
+    "adjust", "clear", "element", "from", "present", "range", "to", NULL
 };
 
 enum sbselCmd {
@@ -401,7 +377,7 @@ enum sbselCmd {
  */
 
 static CONST char *selElementNames[] = {
-    "none", "buttondown", "buttonup", (char *) NULL, "entry"
+    "none", "buttondown", "buttonup", NULL, "entry"
 };
 
 /*
@@ -439,9 +415,9 @@ static char *		EntryTextVarProc(ClientData clientData,
 static void		EntryUpdateScrollbar(Entry *entryPtr);
 static int		EntryValidate(Entry *entryPtr, char *cmd);
 static int		EntryValidateChange(Entry *entryPtr, char *change,
-			    CONST char *new, int index, int type);
+			    CONST char *newStr, int index, int type);
 static void		ExpandPercents(Entry *entryPtr, CONST char *before,
-			    char *change, CONST char *new, int index,
+			    CONST char *change, CONST char *newStr, int index,
 			    int type, Tcl_DString *dsPtr);
 static void		EntryValueChanged(Entry *entryPtr,
 			    CONST char *newValue);
@@ -496,11 +472,11 @@ static Tk_ClassProcs entryClass = {
  */
 
 int
-Tk_EntryObjCmd(clientData, interp, objc, objv)
-    ClientData clientData;	/* NULL. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. */
+Tk_EntryObjCmd(
+    ClientData clientData,	/* NULL. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. */
 {
     register Entry *entryPtr;
     Tk_OptionTable optionTable;
@@ -513,7 +489,7 @@ Tk_EntryObjCmd(clientData, interp, objc, objv)
     }
 
     tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp),
-	    Tcl_GetString(objv[1]), (char *) NULL);
+	    Tcl_GetString(objv[1]), NULL);
     if (tkwin == NULL) {
 	return TCL_ERROR;
     }
@@ -607,11 +583,11 @@ Tk_EntryObjCmd(clientData, interp, objc, objv)
  */
 
 static int
-EntryWidgetObjCmd(clientData, interp, objc, objv)
-    ClientData clientData;	/* Information about entry widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. */
+EntryWidgetObjCmd(
+    ClientData clientData,	/* Information about entry widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. */
 {
     Entry *entryPtr = (Entry *) clientData;
     int cmdIndex, selIndex, result;
@@ -676,7 +652,7 @@ EntryWidgetObjCmd(clientData, interp, objc, objv)
 	if (objc <= 3) {
 	    objPtr = Tk_GetOptionInfo(interp, (char *) entryPtr,
 		    entryPtr->optionTable,
-		    (objc == 3) ? objv[2] : (Tcl_Obj *) NULL,
+		    (objc == 3) ? objv[2] : NULL,
 		    entryPtr->tkwin);
 	    if (objPtr == NULL) {
 		goto error;
@@ -713,7 +689,7 @@ EntryWidgetObjCmd(clientData, interp, objc, objv)
 
     case COMMAND_GET:
 	if (objc != 2) {
-	    Tcl_WrongNumArgs(interp, 2, objv, (char *) NULL);
+	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
 	    goto error;
 	}
 	Tcl_SetStringObj(Tcl_GetObjResult(interp), entryPtr->string, -1);
@@ -786,7 +762,7 @@ EntryWidgetObjCmd(clientData, interp, objc, objv)
 	} else {
 	    Tcl_AppendResult(interp, "bad scan option \"",
 		    Tcl_GetString(objv[2]), "\": must be mark or dragto",
-		    (char *) NULL);
+		    NULL);
 	    goto error;
 	}
 	break;
@@ -852,7 +828,7 @@ EntryWidgetObjCmd(clientData, interp, objc, objv)
 
 	case SELECTION_CLEAR:
 	    if (objc != 3) {
-		Tcl_WrongNumArgs(interp, 3, objv, (char *) NULL);
+		Tcl_WrongNumArgs(interp, 3, objv, NULL);
 		goto error;
 	    }
 	    if (entryPtr->selectFirst >= 0) {
@@ -876,7 +852,7 @@ EntryWidgetObjCmd(clientData, interp, objc, objv)
 
 	case SELECTION_PRESENT:
 	    if (objc != 3) {
-		Tcl_WrongNumArgs(interp, 3, objv, (char *) NULL);
+		Tcl_WrongNumArgs(interp, 3, objv, NULL);
 		goto error;
 	    }
 	    Tcl_SetObjResult(interp,
@@ -931,12 +907,12 @@ EntryWidgetObjCmd(clientData, interp, objc, objv)
 	int code;
 
 	if (objc != 2) {
-	    Tcl_WrongNumArgs(interp, 2, objv, (char *) NULL);
+	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
 	    goto error;
 	}
 	selIndex = entryPtr->validate;
 	entryPtr->validate = VALIDATE_ALL;
-	code = EntryValidateChange(entryPtr, (char *) NULL, entryPtr->string,
+	code = EntryValidateChange(entryPtr, NULL, entryPtr->string,
 		-1, VALIDATE_FORCED);
 	if (entryPtr->validate != VALIDATE_NONE) {
 	    entryPtr->validate = selIndex;
@@ -1031,8 +1007,8 @@ EntryWidgetObjCmd(clientData, interp, objc, objv)
  */
 
 static void
-DestroyEntry(memPtr)
-    char *memPtr;		/* Info about entry widget. */
+DestroyEntry(
+    char *memPtr)		/* Info about entry widget. */
 {
     Entry *entryPtr = (Entry *) memPtr;
 
@@ -1099,13 +1075,13 @@ DestroyEntry(memPtr)
  */
 
 static int
-ConfigureEntry(interp, entryPtr, objc, objv, flags)
-    Tcl_Interp *interp;		/* Used for error reporting. */
-    Entry *entryPtr;		/* Information about widget; may or may not
+ConfigureEntry(
+    Tcl_Interp *interp,		/* Used for error reporting. */
+    Entry *entryPtr,		/* Information about widget; may or may not
 				 * already have values for some fields. */
-    int objc;			/* Number of valid entries in argv. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. */
-    int flags;			/* Flags to pass to Tk_ConfigureWidget. */
+    int objc,			/* Number of valid entries in argv. */
+    Tcl_Obj *CONST objv[],	/* Argument objects. */
+    int flags)			/* Flags to pass to Tk_ConfigureWidget. */
 {
     Tk_SavedOptions savedOptions;
     Tk_3DBorder border;
@@ -1154,7 +1130,7 @@ ConfigureEntry(interp, entryPtr, objc, objv, flags)
 
 	    if (Tk_SetOptions(interp, (char *) entryPtr,
 		    entryPtr->optionTable, objc, objv,
-		    entryPtr->tkwin, &savedOptions, (int *) NULL) != TCL_OK) {
+		    entryPtr->tkwin, &savedOptions, NULL) != TCL_OK) {
 		continue;
 	    }
 	} else {
@@ -1213,7 +1189,7 @@ ConfigureEntry(interp, entryPtr, objc, objv, flags)
 		if ((fmt[0] != '%') || (fmt[formatLen-1] != 'f')) {
 		    badFormatOpt:
 		    Tcl_AppendResult(interp, "bad spinbox format specifier \"",
-			    sbPtr->reqFormat, "\"", (char *) NULL);
+			    sbPtr->reqFormat, "\"", NULL);
 		    continue;
 		}
 		if ((sscanf(fmt, "%%%d.%d%[f]", &min, &max, fbuf) == 3)
@@ -1412,8 +1388,8 @@ ConfigureEntry(interp, entryPtr, objc, objv, flags)
  */
 
 static void
-EntryWorldChanged(instanceData)
-    ClientData instanceData;	/* Information about widget. */
+EntryWorldChanged(
+    ClientData instanceData)	/* Information about widget. */
 {
     XGCValues gcValues;
     GC gc = None;
@@ -1513,10 +1489,10 @@ EntryWorldChanged(instanceData)
  */
 
 int
-TkpDrawEntryBorderAndFocus(entryPtr, pixmap, isSpinbox)
-    Entry *entryPtr;
-    Drawable pixmap;
-    int isSpinbox;
+TkpDrawEntryBorderAndFocus(
+    Entry *entryPtr,
+    Drawable pixmap,
+    int isSpinbox)
 {
     return 0;
 }
@@ -1542,9 +1518,9 @@ TkpDrawEntryBorderAndFocus(entryPtr, pixmap, isSpinbox)
  */
 
 int
-TkpDrawSpinboxButtons(sbPtr, pixmap)
-    Spinbox *sbPtr;
-    Pixmap pixmap;
+TkpDrawSpinboxButtons(
+    Spinbox *sbPtr,
+    Pixmap pixmap)
 {
     return 0;
 }
@@ -1567,8 +1543,8 @@ TkpDrawSpinboxButtons(sbPtr, pixmap)
  */
 
 static void
-DisplayEntry(clientData)
-    ClientData clientData;	/* Information about window. */
+DisplayEntry(
+    ClientData clientData)	/* Information about window. */
 {
     Entry *entryPtr = (Entry *) clientData;
     Tk_Window tkwin = entryPtr->tkwin;
@@ -1879,8 +1855,8 @@ DisplayEntry(clientData)
  */
 
 static void
-EntryComputeGeometry(entryPtr)
-    Entry *entryPtr;		/* Widget record for entry. */
+EntryComputeGeometry(
+    Entry *entryPtr)		/* Widget record for entry. */
 {
     int totalLength, overflow, maxOffScreen, rightX;
     int height, width, i;
@@ -2012,16 +1988,16 @@ EntryComputeGeometry(entryPtr)
  */
 
 static void
-InsertChars(entryPtr, index, value)
-    Entry *entryPtr;		/* Entry that is to get the new elements. */
-    int index;			/* Add the new elements before this character
+InsertChars(
+    Entry *entryPtr,		/* Entry that is to get the new elements. */
+    int index,			/* Add the new elements before this character
 				 * index. */
-    char *value;		/* New characters to add (NULL-terminated
+    char *value)		/* New characters to add (NULL-terminated
 				 * string). */
 {
     int byteIndex, byteCount, oldChars, charsAdded, newByteCount;
     CONST char *string;
-    char *new;
+    char *newStr;
 
     string = entryPtr->string;
     byteIndex = Tcl_UtfAtIndex(string, index) - string;
@@ -2031,21 +2007,21 @@ InsertChars(entryPtr, index, value)
     }
 
     newByteCount = entryPtr->numBytes + byteCount + 1;
-    new = (char *) ckalloc((unsigned) newByteCount);
-    memcpy(new, string, (size_t) byteIndex);
-    strcpy(new + byteIndex, value);
-    strcpy(new + byteIndex + byteCount, string + byteIndex);
+    newStr = (char *) ckalloc((unsigned) newByteCount);
+    memcpy(newStr, string, (size_t) byteIndex);
+    strcpy(newStr + byteIndex, value);
+    strcpy(newStr + byteIndex + byteCount, string + byteIndex);
 
     if ((entryPtr->validate == VALIDATE_KEY ||
 	    entryPtr->validate == VALIDATE_ALL) &&
-	    EntryValidateChange(entryPtr, value, new, index,
+	    EntryValidateChange(entryPtr, value, newStr, index,
 		    VALIDATE_INSERT) != TCL_OK) {
-	ckfree(new);
+	ckfree(newStr);
 	return;
     }
 
     ckfree((char *)string);
-    entryPtr->string = new;
+    entryPtr->string = newStr;
 
     /*
      * The following construction is used because inserting improperly formed
@@ -2057,12 +2033,12 @@ InsertChars(entryPtr, index, value)
      */
 
     oldChars = entryPtr->numChars;
-    entryPtr->numChars = Tcl_NumUtfChars(new, -1);
+    entryPtr->numChars = Tcl_NumUtfChars(newStr, -1);
     charsAdded = entryPtr->numChars - oldChars;
     entryPtr->numBytes += byteCount;
 
     if (entryPtr->displayString == string) {
-	entryPtr->displayString = new;
+	entryPtr->displayString = newStr;
 	entryPtr->numDisplayBytes = entryPtr->numBytes;
     }
 
@@ -2110,14 +2086,14 @@ InsertChars(entryPtr, index, value)
  */
 
 static void
-DeleteChars(entryPtr, index, count)
-    Entry *entryPtr;		/* Entry widget to modify. */
-    int index;			/* Index of first character to delete. */
-    int count;			/* How many characters to delete. */
+DeleteChars(
+    Entry *entryPtr,		/* Entry widget to modify. */
+    int index,			/* Index of first character to delete. */
+    int count)			/* How many characters to delete. */
 {
     int byteIndex, byteCount, newByteCount;
     CONST char *string;
-    char *new, *todelete;
+    char *newStr, *toDelete;
 
     if ((index + count) > entryPtr->numChars) {
 	count = entryPtr->numChars - index;
@@ -2131,31 +2107,31 @@ DeleteChars(entryPtr, index, count)
     byteCount = Tcl_UtfAtIndex(string + byteIndex, count) - (string+byteIndex);
 
     newByteCount = entryPtr->numBytes + 1 - byteCount;
-    new = (char *) ckalloc((unsigned) newByteCount);
-    memcpy(new, string, (size_t) byteIndex);
-    strcpy(new + byteIndex, string + byteIndex + byteCount);
+    newStr = (char *) ckalloc((unsigned) newByteCount);
+    memcpy(newStr, string, (size_t) byteIndex);
+    strcpy(newStr + byteIndex, string + byteIndex + byteCount);
 
-    todelete = (char *) ckalloc((unsigned) (byteCount + 1));
-    memcpy(todelete, string + byteIndex, (size_t) byteCount);
-    todelete[byteCount] = '\0';
+    toDelete = (char *) ckalloc((unsigned) (byteCount + 1));
+    memcpy(toDelete, string + byteIndex, (size_t) byteCount);
+    toDelete[byteCount] = '\0';
 
     if ((entryPtr->validate == VALIDATE_KEY ||
 	    entryPtr->validate == VALIDATE_ALL) &&
-	    EntryValidateChange(entryPtr, todelete, new, index,
+	    EntryValidateChange(entryPtr, toDelete, newStr, index,
 		    VALIDATE_DELETE) != TCL_OK) {
-	ckfree(new);
-	ckfree(todelete);
+	ckfree(newStr);
+	ckfree(toDelete);
 	return;
     }
 
-    ckfree(todelete);
+    ckfree(toDelete);
     ckfree((char *)entryPtr->string);
-    entryPtr->string = new;
+    entryPtr->string = newStr;
     entryPtr->numChars -= count;
     entryPtr->numBytes -= byteCount;
 
     if (entryPtr->displayString == string) {
-	entryPtr->displayString = new;
+	entryPtr->displayString = newStr;
 	entryPtr->numDisplayBytes = entryPtr->numBytes;
     }
 
@@ -2226,9 +2202,9 @@ DeleteChars(entryPtr, index, count)
  */
 
 static void
-EntryValueChanged(entryPtr, newValue)
-    Entry *entryPtr;		/* Entry whose value just changed. */
-    CONST char *newValue;	/* If this value is not NULL, we first force
+EntryValueChanged(
+    Entry *entryPtr,		/* Entry whose value just changed. */
+    CONST char *newValue)	/* If this value is not NULL, we first force
 				 * the value of the entry to this. */
 {
     if (newValue != NULL) {
@@ -2286,9 +2262,9 @@ EntryValueChanged(entryPtr, newValue)
  */
 
 static void
-EntrySetValue(entryPtr, value)
-    Entry *entryPtr;		/* Entry whose value is to be changed. */
-    CONST char *value;		/* New text to display in entry. */
+EntrySetValue(
+    Entry *entryPtr,		/* Entry whose value is to be changed. */
+    CONST char *value)		/* New text to display in entry. */
 {
     CONST char *oldSource;
     int valueLen, malloced = 0;
@@ -2314,7 +2290,7 @@ EntrySetValue(entryPtr, value)
 	malloced = 1;
 
 	entryPtr->flags |= VALIDATE_VAR;
-	(void) EntryValidateChange(entryPtr, (char *) NULL, value, -1,
+	(void) EntryValidateChange(entryPtr, NULL, value, -1,
 		VALIDATE_FORCED);
 	entryPtr->flags &= ~VALIDATE_VAR;
 
@@ -2392,9 +2368,9 @@ EntrySetValue(entryPtr, value)
  */
 
 static void
-EntryEventProc(clientData, eventPtr)
-    ClientData clientData;	/* Information about window. */
-    XEvent *eventPtr;		/* Information about event. */
+EntryEventProc(
+    ClientData clientData,	/* Information about window. */
+    XEvent *eventPtr)		/* Information about event. */
 {
     Entry *entryPtr = (Entry *) clientData;
 
@@ -2474,8 +2450,8 @@ EntryEventProc(clientData, eventPtr)
  */
 
 static void
-EntryCmdDeletedProc(clientData)
-    ClientData clientData;	/* Pointer to widget record for widget. */
+EntryCmdDeletedProc(
+    ClientData clientData)	/* Pointer to widget record for widget. */
 {
     Entry *entryPtr = (Entry *) clientData;
 
@@ -2512,13 +2488,12 @@ EntryCmdDeletedProc(clientData)
  */
 
 static int
-GetEntryIndex(interp, entryPtr, string, indexPtr)
-    Tcl_Interp *interp;		/* For error messages. */
-    Entry *entryPtr;		/* Entry for which the index is being
+GetEntryIndex(
+    Tcl_Interp *interp,		/* For error messages. */
+    Entry *entryPtr,		/* Entry for which the index is being
 				 * specified. */
-    char *string;		/* Specifies character in entryPtr. */
-    int *indexPtr;		/* Where to store converted character
-				 * index. */
+    char *string,		/* Specifies character in entryPtr. */
+    int *indexPtr)		/* Where to store converted character index */
 {
     size_t length;
 
@@ -2535,10 +2510,10 @@ GetEntryIndex(interp, entryPtr, string, indexPtr)
 	     * so we have to clear it out before storing our own message.
 	     */
 
-	    Tcl_SetResult(interp, (char *) NULL, TCL_STATIC);
+	    Tcl_SetResult(interp, NULL, TCL_STATIC);
 	    Tcl_AppendResult(interp, "bad ",
 		    (entryPtr->type == TK_ENTRY) ? "entry" : "spinbox",
-		    " index \"", string, "\"", (char *) NULL);
+		    " index \"", string, "\"", NULL);
 	    return TCL_ERROR;
 	}
     } else if (string[0] == 'e') {
@@ -2555,9 +2530,9 @@ GetEntryIndex(interp, entryPtr, string, indexPtr)
 	}
     } else if (string[0] == 's') {
 	if (entryPtr->selectFirst < 0) {
-	    Tcl_SetResult(interp, (char *) NULL, TCL_STATIC);
+	    Tcl_SetResult(interp, NULL, TCL_STATIC);
 	    Tcl_AppendResult(interp, "selection isn't in widget ",
-		    Tk_PathName(entryPtr->tkwin), (char *) NULL);
+		    Tk_PathName(entryPtr->tkwin), NULL);
 	    return TCL_ERROR;
 	}
 	if (length < 5) {
@@ -2630,9 +2605,9 @@ GetEntryIndex(interp, entryPtr, string, indexPtr)
  */
 
 static void
-EntryScanTo(entryPtr, x)
-    Entry *entryPtr;		/* Information about widget. */
-    int x;			/* X-coordinate to use for scan operation. */
+EntryScanTo(
+    Entry *entryPtr,		/* Information about widget. */
+    int x)			/* X-coordinate to use for scan operation. */
 {
     int newLeftIndex;
 
@@ -2688,9 +2663,9 @@ EntryScanTo(entryPtr, x)
  */
 
 static void
-EntrySelectTo(entryPtr, index)
-    Entry *entryPtr;		/* Information about widget. */
-    int index;			/* Character index of element that is to
+EntrySelectTo(
+    Entry *entryPtr,		/* Information about widget. */
+    int index)			/* Character index of element that is to
 				 * become the "other" end of the selection. */
 {
     int newFirst, newLast;
@@ -2753,14 +2728,13 @@ EntrySelectTo(entryPtr, index)
  */
 
 static int
-EntryFetchSelection(clientData, offset, buffer, maxBytes)
-    ClientData clientData;	/* Information about entry widget. */
-    int offset;			/* Byte offset within selection of first
+EntryFetchSelection(
+    ClientData clientData,	/* Information about entry widget. */
+    int offset,			/* Byte offset within selection of first
 				 * character to be returned. */
-    char *buffer;		/* Location in which to place selection. */
-    int maxBytes;		/* Maximum number of bytes to place at buffer,
-				 * not including terminating NULL
-				 * character. */
+    char *buffer,		/* Location in which to place selection. */
+    int maxBytes)		/* Maximum number of bytes to place at buffer,
+				 * not including terminating NUL character. */
 {
     Entry *entryPtr = (Entry *) clientData;
     int byteCount;
@@ -2805,8 +2779,8 @@ EntryFetchSelection(clientData, offset, buffer, maxBytes)
  */
 
 static void
-EntryLostSelection(clientData)
-    ClientData clientData;	/* Information about entry widget. */
+EntryLostSelection(
+    ClientData clientData)	/* Information about entry widget. */
 {
     Entry *entryPtr = (Entry *) clientData;
 
@@ -2847,8 +2821,8 @@ EntryLostSelection(clientData)
  */
 
 static void
-EventuallyRedraw(entryPtr)
-    Entry *entryPtr;		/* Information about widget. */
+EventuallyRedraw(
+    Entry *entryPtr)		/* Information about widget. */
 {
     if ((entryPtr->flags & ENTRY_DELETED) || !Tk_IsMapped(entryPtr->tkwin)) {
 	return;
@@ -2885,11 +2859,11 @@ EventuallyRedraw(entryPtr)
  */
 
 static void
-EntryVisibleRange(entryPtr, firstPtr, lastPtr)
-    Entry *entryPtr;		/* Information about widget. */
-    double *firstPtr;		/* Return position of first visible character
+EntryVisibleRange(
+    Entry *entryPtr,		/* Information about widget. */
+    double *firstPtr,		/* Return position of first visible character
 				 * in widget. */
-    double *lastPtr;		/* Return position of char just after last
+    double *lastPtr)		/* Return position of char just after last
 				 * visible one. */
 {
     int charsInWindow;
@@ -2936,8 +2910,8 @@ EntryVisibleRange(entryPtr, firstPtr, lastPtr)
  */
 
 static void
-EntryUpdateScrollbar(entryPtr)
-    Entry *entryPtr;			/* Information about widget. */
+EntryUpdateScrollbar(
+    Entry *entryPtr)			/* Information about widget. */
 {
     char args[TCL_DOUBLE_SPACE * 2];
     int code;
@@ -2952,7 +2926,7 @@ EntryUpdateScrollbar(entryPtr)
     Tcl_Preserve((ClientData) interp);
     EntryVisibleRange(entryPtr, &first, &last);
     sprintf(args, " %g %g", first, last);
-    code = Tcl_VarEval(interp, entryPtr->scrollCmd, args, (char *) NULL);
+    code = Tcl_VarEval(interp, entryPtr->scrollCmd, args, NULL);
     if (code != TCL_OK) {
 	Tcl_AddErrorInfo(interp,
 		"\n    (horizontal scrolling command executed by ");
@@ -2960,7 +2934,7 @@ EntryUpdateScrollbar(entryPtr)
 	Tcl_AddErrorInfo(interp, ")");
 	Tcl_BackgroundError(interp);
     }
-    Tcl_SetResult(interp, (char *) NULL, TCL_STATIC);
+    Tcl_SetResult(interp, NULL, TCL_STATIC);
     Tcl_Release((ClientData) interp);
 }
 
@@ -2983,8 +2957,8 @@ EntryUpdateScrollbar(entryPtr)
  */
 
 static void
-EntryBlinkProc(clientData)
-    ClientData clientData;	/* Pointer to record describing entry. */
+EntryBlinkProc(
+    ClientData clientData)	/* Pointer to record describing entry. */
 {
     Entry *entryPtr = (Entry *) clientData;
 
@@ -3024,9 +2998,9 @@ EntryBlinkProc(clientData)
  */
 
 static void
-EntryFocusProc(entryPtr, gotFocus)
-    Entry *entryPtr;		/* Entry that got or lost focus. */
-    int gotFocus;		/* 1 means window is getting focus, 0 means
+EntryFocusProc(
+    Entry *entryPtr,		/* Entry that got or lost focus. */
+    int gotFocus)		/* 1 means window is getting focus, 0 means
 				 * it's losing it. */
 {
     Tcl_DeleteTimerHandler(entryPtr->insertBlinkHandler);
@@ -3040,7 +3014,7 @@ EntryFocusProc(entryPtr, gotFocus)
 	if (entryPtr->validate == VALIDATE_ALL ||
 	    entryPtr->validate == VALIDATE_FOCUS ||
 	    entryPtr->validate == VALIDATE_FOCUSIN) {
-	    EntryValidateChange(entryPtr, (char *) NULL,
+	    EntryValidateChange(entryPtr, NULL,
 				entryPtr->string, -1, VALIDATE_FOCUSIN);
 	}
     } else {
@@ -3049,7 +3023,7 @@ EntryFocusProc(entryPtr, gotFocus)
 	if (entryPtr->validate == VALIDATE_ALL ||
 	    entryPtr->validate == VALIDATE_FOCUS ||
 	    entryPtr->validate == VALIDATE_FOCUSOUT) {
-	    EntryValidateChange(entryPtr, (char *) NULL,
+	    EntryValidateChange(entryPtr, NULL,
 				entryPtr->string, -1, VALIDATE_FOCUSOUT);
 	}
     }
@@ -3075,12 +3049,12 @@ EntryFocusProc(entryPtr, gotFocus)
 
 	/* ARGSUSED */
 static char *
-EntryTextVarProc(clientData, interp, name1, name2, flags)
-    ClientData clientData;	/* Information about button. */
-    Tcl_Interp *interp;		/* Interpreter containing variable. */
-    CONST char *name1;		/* Not used. */
-    CONST char *name2;		/* Not used. */
-    int flags;			/* Information about what happened. */
+EntryTextVarProc(
+    ClientData clientData,	/* Information about button. */
+    Tcl_Interp *interp,		/* Interpreter containing variable. */
+    CONST char *name1,		/* Not used. */
+    CONST char *name2,		/* Not used. */
+    int flags)			/* Information about what happened. */
 {
     Entry *entryPtr = (Entry *) clientData;
     CONST char *value;
@@ -3089,7 +3063,7 @@ EntryTextVarProc(clientData, interp, name1, name2, flags)
 	/*
 	 * Just abort early if we entered here while being deleted.
 	 */
-	return (char *) NULL;
+	return NULL;
     }
 
     /*
@@ -3106,7 +3080,7 @@ EntryTextVarProc(clientData, interp, name1, name2, flags)
 		    EntryTextVarProc, clientData);
 	    entryPtr->flags |= ENTRY_VAR_TRACED;
 	}
-	return (char *) NULL;
+	return NULL;
     }
 
     /*
@@ -3120,7 +3094,7 @@ EntryTextVarProc(clientData, interp, name1, name2, flags)
 	value = "";
     }
     EntrySetValue(entryPtr, value);
-    return (char *) NULL;
+    return NULL;
 }
 
 /*
@@ -3144,9 +3118,9 @@ EntryTextVarProc(clientData, interp, name1, name2, flags)
  */
 
 static int
-EntryValidate(entryPtr, cmd)
-     register Entry *entryPtr;	/* Entry that needs validation. */
-     register char *cmd;	/* Validation command (NULL-terminated
+EntryValidate(
+     register Entry *entryPtr,	/* Entry that needs validation. */
+     register char *cmd)	/* Validation command (NULL-terminated
 				 * string). */
 {
     register Tcl_Interp *interp = entryPtr->interp;
@@ -3204,13 +3178,13 @@ EntryValidate(entryPtr, cmd)
  */
 
 static int
-EntryValidateChange(entryPtr, change, new, index, type)
-     register Entry *entryPtr;	/* Entry that needs validation. */
-     char *change;		/* Characters to be added/deleted
-				 * (NULL-terminated string). */
-     CONST char *new;		/* Potential new value of entry string */
-     int index;			/* index of insert/delete, -1 otherwise */
-     int type;			/* forced, delete, insert, focusin or
+EntryValidateChange(
+     register Entry *entryPtr,	/* Entry that needs validation. */
+     char *change,		/* Characters to be added/deleted
+				 * (NUL-terminated string). */
+     CONST char *newValue,	/* Potential new value of entry string */
+     int index,			/* index of insert/delete, -1 otherwise */
+     int type)			/* forced, delete, insert, focusin or
 				 * focusout */
 {
     int code, varValidate = (entryPtr->flags & VALIDATE_VAR);
@@ -3241,7 +3215,7 @@ EntryValidateChange(entryPtr, change, new, index, type)
 
     Tcl_DStringInit(&script);
     ExpandPercents(entryPtr, entryPtr->validateCmd,
-	    change, new, index, type, &script);
+	    change, newValue, index, type, &script);
     Tcl_DStringAppend(&script, "", 1);
 
     p = Tcl_DStringValue(&script);
@@ -3291,7 +3265,7 @@ EntryValidateChange(entryPtr, change, new, index, type)
 	} else if (entryPtr->invalidCmd != NULL) {
 	    Tcl_DStringInit(&script);
 	    ExpandPercents(entryPtr, entryPtr->invalidCmd,
-		    change, new, index, type, &script);
+		    change, newValue, index, type, &script);
 	    Tcl_DStringAppend(&script, "", 1);
 	    p = Tcl_DStringValue(&script);
 	    if (Tcl_EvalEx(entryPtr->interp, p, -1,
@@ -3340,18 +3314,18 @@ EntryValidateChange(entryPtr, change, new, index, type)
  */
 
 static void
-ExpandPercents(entryPtr, before, change, new, index, type, dsPtr)
-     register Entry *entryPtr;	/* Entry that needs validation. */
-     register CONST char *before;
+ExpandPercents(
+     register Entry *entryPtr,	/* Entry that needs validation. */
+     register CONST char *before,
 				/* Command containing percent expressions to
 				 * be replaced. */
-     char *change;		/* Characters to added/deleted
-				 * (NULL-terminated string). */
-     CONST char *new;		/* Potential new value of entry string */
-     int index;			/* index of insert/delete */
-     int type;			/* INSERT or DELETE */
-     Tcl_DString *dsPtr;	/* Dynamic string in which to append
-				 * new command. */
+     CONST char *change,	/* Characters to added/deleted (NUL-terminated
+				 * string). */
+     CONST char *newValue,	/* Potential new value of entry string */
+     int index,			/* index of insert/delete */
+     int type,			/* INSERT or DELETE */
+     Tcl_DString *dsPtr)	/* Dynamic string in which to append new
+				 * command. */
 {
     int spaceNeeded, cvtFlags;	/* Used to substitute string as proper Tcl
 				 * list element. */
@@ -3376,7 +3350,7 @@ ExpandPercents(entryPtr, before, change, new, index, type, dsPtr)
 	 */
 
 	string = Tcl_UtfFindFirst(before, '%');
-	if (string == (char *) NULL) {
+	if (string == NULL) {
 	    Tcl_DStringAppend(dsPtr, before, -1);
 	    break;
 	} else if (string != before) {
@@ -3441,7 +3415,7 @@ ExpandPercents(entryPtr, before, change, new, index, type, dsPtr)
 		string = numStorage;
 		break;
 	    case 'P':		/* 'Peeked' new value of the string */
-		string = new;
+		string = newValue;
 		break;
 	    case 's':		/* Current string value of spinbox */
 		string = entryPtr->string;
@@ -3505,11 +3479,11 @@ ExpandPercents(entryPtr, before, change, new, index, type, dsPtr)
  */
 
 int
-Tk_SpinboxObjCmd(clientData, interp, objc, objv)
-    ClientData clientData;	/* NULL. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. */
+Tk_SpinboxObjCmd(
+    ClientData clientData,	/* NULL. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. */
 {
     register Entry *entryPtr;
     register Spinbox *sbPtr;
@@ -3523,7 +3497,7 @@ Tk_SpinboxObjCmd(clientData, interp, objc, objv)
     }
 
     tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp),
-	    Tcl_GetString(objv[1]), (char *) NULL);
+	    Tcl_GetString(objv[1]), NULL);
     if (tkwin == NULL) {
 	return TCL_ERROR;
     }
@@ -3636,11 +3610,11 @@ Tk_SpinboxObjCmd(clientData, interp, objc, objv)
  */
 
 static int
-SpinboxWidgetObjCmd(clientData, interp, objc, objv)
-    ClientData clientData;	/* Information about spinbox widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. */
+SpinboxWidgetObjCmd(
+    ClientData clientData,	/* Information about spinbox widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. */
 {
     Entry *entryPtr = (Entry *) clientData;
     Spinbox *sbPtr = (Spinbox *) clientData;
@@ -3707,7 +3681,7 @@ SpinboxWidgetObjCmd(clientData, interp, objc, objv)
 	if (objc <= 3) {
 	    objPtr = Tk_GetOptionInfo(interp, (char *) entryPtr,
 		    entryPtr->optionTable,
-		    (objc == 3) ? objv[2] : (Tcl_Obj *) NULL,
+		    (objc == 3) ? objv[2] : NULL,
 		    entryPtr->tkwin);
 	    if (objPtr == NULL) {
 		goto error;
@@ -3746,7 +3720,7 @@ SpinboxWidgetObjCmd(clientData, interp, objc, objv)
 
     case SB_CMD_GET:
 	if (objc != 2) {
-	    Tcl_WrongNumArgs(interp, 2, objv, (char *) NULL);
+	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
 	    goto error;
 	}
 	Tcl_SetStringObj(Tcl_GetObjResult(interp), entryPtr->string, -1);
@@ -3855,7 +3829,7 @@ SpinboxWidgetObjCmd(clientData, interp, objc, objv)
 	} else {
 	    Tcl_AppendResult(interp, "bad scan option \"",
 		    Tcl_GetString(objv[2]), "\": must be mark or dragto",
-		    (char *) NULL);
+		    NULL);
 	    goto error;
 	}
 	break;
@@ -3921,7 +3895,7 @@ SpinboxWidgetObjCmd(clientData, interp, objc, objv)
 
 	case SB_SEL_CLEAR:
 	    if (objc != 3) {
-		Tcl_WrongNumArgs(interp, 3, objv, (char *) NULL);
+		Tcl_WrongNumArgs(interp, 3, objv, NULL);
 		goto error;
 	    }
 	    if (entryPtr->selectFirst >= 0) {
@@ -3945,7 +3919,7 @@ SpinboxWidgetObjCmd(clientData, interp, objc, objv)
 
 	case SB_SEL_PRESENT:
 	    if (objc != 3) {
-		Tcl_WrongNumArgs(interp, 3, objv, (char *) NULL);
+		Tcl_WrongNumArgs(interp, 3, objv, NULL);
 		goto error;
 	    }
 	    Tcl_SetObjResult(interp,
@@ -4033,12 +4007,12 @@ SpinboxWidgetObjCmd(clientData, interp, objc, objv)
 	int code;
 
 	if (objc != 2) {
-	    Tcl_WrongNumArgs(interp, 2, objv, (char *) NULL);
+	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
 	    goto error;
 	}
 	selIndex = entryPtr->validate;
 	entryPtr->validate = VALIDATE_ALL;
-	code = EntryValidateChange(entryPtr, (char *) NULL, entryPtr->string,
+	code = EntryValidateChange(entryPtr, NULL, entryPtr->string,
 		-1, VALIDATE_FORCED);
 	if (entryPtr->validate != VALIDATE_NONE) {
 	    entryPtr->validate = selIndex;
@@ -4132,11 +4106,10 @@ SpinboxWidgetObjCmd(clientData, interp, objc, objv)
  */
 
 static int
-GetSpinboxElement(sbPtr, x, y)
-    Spinbox *sbPtr;		/* Spinbox for which the index is being
+GetSpinboxElement(
+    Spinbox *sbPtr,		/* Spinbox for which the index is being
 				 * specified. */
-    int x;			/* x coord */
-    int y;			/* y coord */
+    int x, int y)		/* Widget-relative coordinates. */
 {
     Entry *entryPtr = (Entry *) sbPtr;
 
@@ -4174,10 +4147,10 @@ GetSpinboxElement(sbPtr, x, y)
  */
 
 static int
-SpinboxInvoke(interp, sbPtr, element)
-    register Tcl_Interp *interp;/* Current interpreter. */
-    register Spinbox *sbPtr;	/* Spinbox to invoke. */
-    int element;		/* Element to invoke, either the "up" or
+SpinboxInvoke(
+    register Tcl_Interp *interp,/* Current interpreter. */
+    register Spinbox *sbPtr,	/* Spinbox to invoke. */
+    int element)		/* Element to invoke, either the "up" or
 				 * "down" button. */
 {
     Entry *entryPtr = (Entry *) sbPtr;
@@ -4338,9 +4311,10 @@ SpinboxInvoke(interp, sbPtr, element)
  *
  *----------------------------------------------------------------------
  */
+
 static int
-ComputeFormat(sbPtr)
-     Spinbox *sbPtr;			/* Information about dial widget. */
+ComputeFormat(
+     Spinbox *sbPtr)		/* Information about dial widget. */
 {
     double maxValue, x;
     int mostSigDigit, numDigits, leastSigDigit, afterDecimal;
diff --git a/generic/tkFont.c b/generic/tkFont.c
index 72a0630..3316bf3 100644
--- a/generic/tkFont.c
+++ b/generic/tkFont.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkFont.c,v 1.24 2005/11/07 15:40:18 dkf Exp $
+ * RCS: @(#) $Id: tkFont.c,v 1.25 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -890,14 +890,14 @@ CreateNamedFont(
 {
     TkFontInfo *fiPtr;
     Tcl_HashEntry *namedHashPtr;
-    int new;
+    int isNew;
     NamedFont *nfPtr;
 
     fiPtr = ((TkWindow *) tkwin)->mainPtr->fontInfoPtr;
 
-    namedHashPtr = Tcl_CreateHashEntry(&fiPtr->namedTable, name, &new);
+    namedHashPtr = Tcl_CreateHashEntry(&fiPtr->namedTable, name, &isNew);
 
-    if (new == 0) {
+    if (!isNew) {
 	nfPtr = (NamedFont *) Tcl_GetHashValue(namedHashPtr);
 	if (nfPtr->deletePending == 0) {
 	    Tcl_ResetResult(interp);
@@ -998,7 +998,7 @@ Tk_AllocFontFromObj(
     TkFontInfo *fiPtr;
     Tcl_HashEntry *cacheHashPtr, *namedHashPtr;
     TkFont *fontPtr, *firstFontPtr, *oldFontPtr;
-    int new, descent;
+    int isNew, descent;
     NamedFont *nfPtr;
 
     fiPtr = ((TkWindow *) tkwin)->mainPtr->fontInfoPtr;
@@ -1028,13 +1028,13 @@ Tk_AllocFontFromObj(
      * one of them is for the right screen.
      */
 
-    new = 0;
+    isNew = 0;
     if (oldFontPtr != NULL) {
 	cacheHashPtr = oldFontPtr->cacheHashPtr;
 	FreeFontObjProc(objPtr);
     } else {
 	cacheHashPtr = Tcl_CreateHashEntry(&fiPtr->fontCache,
-		Tcl_GetString(objPtr), &new);
+		Tcl_GetString(objPtr), &isNew);
     }
     firstFontPtr = (TkFont *) Tcl_GetHashValue(cacheHashPtr);
     for (fontPtr = firstFontPtr; (fontPtr != NULL);
@@ -1073,7 +1073,7 @@ Tk_AllocFontFromObj(
 	    Tcl_Obj *dupObjPtr = Tcl_DuplicateObj(objPtr);
 
 	    if (ParseFontNameObj(interp, tkwin, dupObjPtr, &fa) != TCL_OK) {
-		if (new) {
+		if (isNew) {
 		    Tcl_DeleteHashEntry(cacheHashPtr);
 		}
 		Tcl_DecrRefCount(dupObjPtr);
diff --git a/generic/tkFrame.c b/generic/tkFrame.c
index 9163a62..e18ff0c 100644
--- a/generic/tkFrame.c
+++ b/generic/tkFrame.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkFrame.c,v 1.23 2005/11/07 15:50:35 dkf Exp $
+ * RCS: @(#) $Id: tkFrame.c,v 1.24 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "default.h"
@@ -459,7 +459,7 @@ CreateFrame(
     Tk_Window tkwin;
     Frame *framePtr;
     Tk_OptionTable optionTable;
-    Tk_Window new;
+    Tk_Window newWin;
     CONST char *className, *screenName, *visualName, *colormapName, *arg, *useOption;
     int i, c, length, depth;
     unsigned int mask;
@@ -536,7 +536,7 @@ CreateFrame(
 
     tkwin = Tk_MainWindow(interp);
     if (tkwin != NULL) {
-	new = Tk_CreateWindowFromPath(interp, tkwin, Tcl_GetString(objv[1]),
+	newWin = Tk_CreateWindowFromPath(interp, tkwin, Tcl_GetString(objv[1]),
 		screenName);
     } else if (appName == NULL) {
 	/*
@@ -546,55 +546,55 @@ CreateFrame(
 
 	Tcl_AppendResult(interp, "unable to create widget \"",
 		Tcl_GetString(objv[1]), "\"", NULL);
-	new = NULL;
+	newWin = NULL;
     } else {
 	/*
 	 * We were called from Tk_Init; create a new application.
 	 */
 
-	new = TkCreateMainWindow(interp, screenName, appName);
+	newWin = TkCreateMainWindow(interp, screenName, appName);
     }
-    if (new == NULL) {
+    if (newWin == NULL) {
 	goto error;
     }
     if (className == NULL) {
-	className = Tk_GetOption(new, "class", "Class");
+	className = Tk_GetOption(newWin, "class", "Class");
 	if (className == NULL) {
 	    className = classNames[type];
 	}
     }
-    Tk_SetClass(new, className);
+    Tk_SetClass(newWin, className);
     if (useOption == NULL) {
-	useOption = Tk_GetOption(new, "use", "Use");
+	useOption = Tk_GetOption(newWin, "use", "Use");
     }
     if ((useOption != NULL) && (*useOption != 0)) {
-	if (TkpUseWindow(interp, new, useOption) != TCL_OK) {
+	if (TkpUseWindow(interp, newWin, useOption) != TCL_OK) {
 	    goto error;
 	}
     }
     if (visualName == NULL) {
-	visualName = Tk_GetOption(new, "visual", "Visual");
+	visualName = Tk_GetOption(newWin, "visual", "Visual");
     }
     if (colormapName == NULL) {
-	colormapName = Tk_GetOption(new, "colormap", "Colormap");
+	colormapName = Tk_GetOption(newWin, "colormap", "Colormap");
     }
     if ((colormapName != NULL) && (*colormapName == 0)) {
 	colormapName = NULL;
     }
     if (visualName != NULL) {
-	visual = Tk_GetVisual(interp, new, visualName, &depth,
+	visual = Tk_GetVisual(interp, newWin, visualName, &depth,
 		(colormapName == NULL) ? &colormap : NULL);
 	if (visual == NULL) {
 	    goto error;
 	}
-	Tk_SetWindowVisual(new, visual, depth, colormap);
+	Tk_SetWindowVisual(newWin, visual, depth, colormap);
     }
     if (colormapName != NULL) {
-	colormap = Tk_GetColormap(interp, new, colormapName);
+	colormap = Tk_GetColormap(interp, newWin, colormapName);
 	if (colormap == None) {
 	    goto error;
 	}
-	Tk_SetWindowColormap(new, colormap);
+	Tk_SetWindowColormap(newWin, colormap);
     }
 
     /*
@@ -604,7 +604,7 @@ CreateFrame(
      */
 
     if (type == TYPE_TOPLEVEL) {
-	Tk_GeometryRequest(new, 200, 200);
+	Tk_GeometryRequest(newWin, 200, 200);
     }
 
     /*
@@ -620,11 +620,11 @@ CreateFrame(
 	framePtr = (Frame *) ckalloc(sizeof(Frame));
 	memset((void *) framePtr, 0, (sizeof(Frame)));
     }
-    framePtr->tkwin		= new;
-    framePtr->display		= Tk_Display(new);
+    framePtr->tkwin		= newWin;
+    framePtr->display		= Tk_Display(newWin);
     framePtr->interp		= interp;
     framePtr->widgetCmd		= Tcl_CreateObjCommand(interp,
-	    Tk_PathName(new), FrameWidgetObjCmd,
+	    Tk_PathName(newWin), FrameWidgetObjCmd,
 	    (ClientData) framePtr, FrameCmdDeletedProc);
     framePtr->optionTable = optionTable;
     framePtr->type = type;
@@ -642,14 +642,14 @@ CreateFrame(
      * Store backreference to frame widget in window structure.
      */
 
-    Tk_SetClassProcs(new, &frameClass, (ClientData) framePtr);
+    Tk_SetClassProcs(newWin, &frameClass, (ClientData) framePtr);
 
     mask = ExposureMask | StructureNotifyMask | FocusChangeMask;
     if (type == TYPE_TOPLEVEL) {
 	mask |= ActivateMask;
     }
-    Tk_CreateEventHandler(new, mask, FrameEventProc, (ClientData) framePtr);
-    if ((Tk_InitOptions(interp, (char *) framePtr, optionTable, new)
+    Tk_CreateEventHandler(newWin, mask, FrameEventProc, (ClientData) framePtr);
+    if ((Tk_InitOptions(interp, (char *) framePtr, optionTable, newWin)
 	    != TCL_OK) ||
 	    (ConfigureFrame(interp, framePtr, objc-2, objv+2) != TCL_OK)) {
 	goto error;
@@ -666,12 +666,12 @@ CreateFrame(
     if (type == TYPE_TOPLEVEL) {
 	Tcl_DoWhenIdle(MapFrame, (ClientData) framePtr);
     }
-    Tcl_SetResult(interp, Tk_PathName(new), TCL_STATIC);
+    Tcl_SetResult(interp, Tk_PathName(newWin), TCL_STATIC);
     return TCL_OK;
 
   error:
-    if (new != NULL) {
-	Tk_DestroyWindow(new);
+    if (newWin != NULL) {
+	Tk_DestroyWindow(newWin);
     }
     return TCL_ERROR;
 }
diff --git a/generic/tkGC.c b/generic/tkGC.c
index d6fb348..d0c8091 100644
--- a/generic/tkGC.c
+++ b/generic/tkGC.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkGC.c,v 1.6 2005/11/13 00:45:47 dkf Exp $
+ * RCS: @(#) $Id: tkGC.c,v 1.7 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -80,7 +80,7 @@ Tk_GetGC(
     ValueKey valueKey;
     Tcl_HashEntry *valueHashPtr, *idHashPtr;
     register TkGC *gcPtr;
-    int new;
+    int isNew;
     Drawable d, freeDrawable;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
 
@@ -219,8 +219,8 @@ Tk_GetGC(
     valueKey.screenNum = Tk_ScreenNumber(tkwin);
     valueKey.depth = Tk_Depth(tkwin);
     valueHashPtr = Tcl_CreateHashEntry(&dispPtr->gcValueTable,
-            (char *) &valueKey, &new);
-    if (!new) {
+            (char *) &valueKey, &isNew);
+    if (!isNew) {
 	gcPtr = (TkGC *) Tcl_GetHashValue(valueHashPtr);
 	gcPtr->refCount++;
 	return gcPtr->gc;
@@ -257,8 +257,8 @@ Tk_GetGC(
     gcPtr->refCount = 1;
     gcPtr->valueHashPtr = valueHashPtr;
     idHashPtr = Tcl_CreateHashEntry(&dispPtr->gcIdTable,
-            (char *) gcPtr->gc, &new);
-    if (!new) {
+            (char *) gcPtr->gc, &isNew);
+    if (!isNew) {
 	Tcl_Panic("GC already registered in Tk_GetGC");
     }
     Tcl_SetHashValue(valueHashPtr, gcPtr);
diff --git a/generic/tkGeometry.c b/generic/tkGeometry.c
index 46df67e..15c2199 100644
--- a/generic/tkGeometry.c
+++ b/generic/tkGeometry.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkGeometry.c,v 1.6 2005/09/08 23:52:52 dkf Exp $
+ * RCS: @(#) $Id: tkGeometry.c,v 1.7 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -341,7 +341,7 @@ Tk_MaintainGeometry(slave, master, x, y, width, height)
     Tcl_HashEntry *hPtr;
     MaintainMaster *masterPtr;
     register MaintainSlave *slavePtr;
-    int new, map;
+    int isNew, map;
     Tk_Window ancestor, parent;
     TkDisplay *dispPtr = ((TkWindow *) master)->dispPtr;
 
@@ -379,8 +379,8 @@ Tk_MaintainGeometry(slave, master, x, y, width, height)
 
     parent = Tk_Parent(slave);
     hPtr = Tcl_CreateHashEntry(&dispPtr->maintainHashTable,
-	    (char *) master, &new);
-    if (!new) {
+	    (char *) master, &isNew);
+    if (!isNew) {
 	masterPtr = (MaintainMaster *) Tcl_GetHashValue(hPtr);
     } else {
 	masterPtr = (MaintainMaster *) ckalloc(sizeof(MaintainMaster));
diff --git a/generic/tkGrid.c b/generic/tkGrid.c
index 1844bcf..0caf89f 100644
--- a/generic/tkGrid.c
+++ b/generic/tkGrid.c
@@ -8,7 +8,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkGrid.c,v 1.39 2005/08/11 01:32:26 dgp Exp $
+ * RCS: @(#) $Id: tkGrid.c,v 1.40 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkInt.h"
@@ -2337,7 +2337,7 @@ GetGrid(tkwin)
 {
     register Gridder *gridPtr;
     Tcl_HashEntry *hPtr;
-    int new;
+    int isNew;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
 
     if (!dispPtr->gridInit) {
@@ -2350,8 +2350,8 @@ GetGrid(tkwin)
      * one.
      */
 
-    hPtr = Tcl_CreateHashEntry(&dispPtr->gridHashTable, (char *) tkwin, &new);
-    if (!new) {
+    hPtr = Tcl_CreateHashEntry(&dispPtr->gridHashTable, (char*) tkwin, &isNew);
+    if (!isNew) {
 	return (Gridder *) Tcl_GetHashValue(hPtr);
     }
     gridPtr = (Gridder *) ckalloc(sizeof(Gridder));
diff --git a/generic/tkImage.c b/generic/tkImage.c
index a4ee9fd..58a60de 100644
--- a/generic/tkImage.c
+++ b/generic/tkImage.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkImage.c,v 1.25 2005/08/11 02:02:34 dgp Exp $
+ * RCS: @(#) $Id: tkImage.c,v 1.26 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkInt.h"
@@ -166,7 +166,7 @@ Tk_ImageObjCmd(clientData, interp, objc, objv)
 	IMAGE_TYPE, IMAGE_TYPES, IMAGE_WIDTH
     };
     TkWindow *winPtr = (TkWindow *) clientData;
-    int i, new, firstOption,  index;
+    int i, isNew, firstOption,  index;
     Tk_ImageType *typePtr;
     ImageMaster *masterPtr;
     Image *imagePtr;
@@ -261,8 +261,8 @@ Tk_ImageObjCmd(clientData, interp, objc, objv)
 	 * Create the data structure for the new image.
 	 */
 
-	hPtr = Tcl_CreateHashEntry(&winPtr->mainPtr->imageTable, name, &new);
-	if (new) {
+	hPtr = Tcl_CreateHashEntry(&winPtr->mainPtr->imageTable, name, &isNew);
+	if (isNew) {
 	    masterPtr = (ImageMaster *) ckalloc(sizeof(ImageMaster));
 	    masterPtr->typePtr = NULL;
 	    masterPtr->masterData = NULL;
diff --git a/generic/tkListbox.c b/generic/tkListbox.c
index e949dfc..ec49093 100644
--- a/generic/tkListbox.c
+++ b/generic/tkListbox.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkListbox.c,v 1.32 2005/09/08 23:52:53 dkf Exp $
+ * RCS: @(#) $Id: tkListbox.c,v 1.33 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -1386,12 +1386,12 @@ ListboxGetItemAttributes(interp, listPtr, index)
     int index;			/* Index of the item to retrieve attributes
 				 * for. */
 {
-    int new;
+    int isNew;
     Tcl_HashEntry *entry;
     ItemAttr *attrs;
 
-    entry = Tcl_CreateHashEntry(listPtr->itemAttrTable, (char *)index, &new);
-    if (new) {
+    entry = Tcl_CreateHashEntry(listPtr->itemAttrTable, (char *)index, &isNew);
+    if (isNew) {
 	attrs = (ItemAttr *) ckalloc(sizeof(ItemAttr));
 	attrs->border = NULL;
 	attrs->selBorder = NULL;
@@ -3020,7 +3020,7 @@ ListboxSelect(listPtr, first, last, select)
 {
     int i, firstRedisplay, oldCount;
     Tcl_HashEntry *entry;
-    int new;
+    int isNew;
 
     if (last < first) {
 	i = first;
@@ -3057,8 +3057,8 @@ ListboxSelect(listPtr, first, last, select)
 	    }
 	} else {
 	    if (select) {
-		entry = Tcl_CreateHashEntry(listPtr->selection,
-			(char *)i, &new);
+		entry = Tcl_CreateHashEntry(listPtr->selection, (char *)i,
+			&isNew);
 		Tcl_SetHashValue(entry, (ClientData) NULL);
 		listPtr->numSelected++;
 		if (firstRedisplay < 0) {
@@ -3506,7 +3506,7 @@ MigrateHashEntries(table, first, last, offset)
     int last;
     int offset;
 {
-    int i, new;
+    int i, isNew;
     Tcl_HashEntry *entry;
     ClientData clientData;
 
@@ -3526,7 +3526,8 @@ MigrateHashEntries(table, first, last, offset)
 	    if (entry != NULL) {
 		clientData = Tcl_GetHashValue(entry);
 		Tcl_DeleteHashEntry(entry);
-		entry = Tcl_CreateHashEntry(table, (char *)(i + offset), &new);
+		entry = Tcl_CreateHashEntry(table, (char *)(i + offset),
+			&isNew);
 		Tcl_SetHashValue(entry, clientData);
 	    }
 	}
@@ -3536,7 +3537,8 @@ MigrateHashEntries(table, first, last, offset)
 	    if (entry != NULL) {
 		clientData = Tcl_GetHashValue(entry);
 		Tcl_DeleteHashEntry(entry);
-		entry = Tcl_CreateHashEntry(table, (char *)(i + offset), &new);
+		entry = Tcl_CreateHashEntry(table, (char *)(i + offset),
+			&isNew);
 		Tcl_SetHashValue(entry, clientData);
 	    }
 	}
diff --git a/generic/tkMenu.c b/generic/tkMenu.c
index 563ec0f..69ff080 100644
--- a/generic/tkMenu.c
+++ b/generic/tkMenu.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkMenu.c,v 1.31 2005/10/12 09:43:37 dkf Exp $
+ * RCS: @(#) $Id: tkMenu.c,v 1.32 2005/11/17 10:57:35 dkf Exp $
  */
 
 /*
@@ -460,13 +460,13 @@ MenuCmd(clientData, interp, objc, objv)
     Tcl_Obj *CONST objv[];	/* Argument strings. */
 {
     Tk_Window tkwin = Tk_MainWindow(interp);
-    Tk_Window new;
+    Tk_Window newWin;
     register TkMenu *menuPtr;
     TkMenuReferences *menuRefPtr;
     int i, index;
     int toplevel;
     char *windowName;
-    static CONST char *typeStringList[] = {"-type", (char *) NULL};
+    static CONST char *typeStringList[] = {"-type", NULL};
     TkMenuOptionTables *optionTablesPtr = (TkMenuOptionTables *) clientData;
 
     if (objc < 2) {
@@ -489,9 +489,9 @@ MenuCmd(clientData, interp, objc, objv)
     }
 
     windowName = Tcl_GetStringFromObj(objv[1], NULL);
-    new = Tk_CreateWindowFromPath(interp, tkwin, windowName, toplevel ? ""
-	    : NULL);
-    if (new == NULL) {
+    newWin = Tk_CreateWindowFromPath(interp, tkwin, windowName,
+	    toplevel ? "" : NULL);
+    if (newWin == NULL) {
 	return TCL_ERROR;
     }
 
@@ -503,8 +503,8 @@ MenuCmd(clientData, interp, objc, objv)
 
     menuPtr = (TkMenu *) ckalloc(sizeof(TkMenu));
     memset(menuPtr, 0, sizeof(TkMenu));
-    menuPtr->tkwin = new;
-    menuPtr->display = Tk_Display(new);
+    menuPtr->tkwin = newWin;
+    menuPtr->display = Tk_Display(newWin);
     menuPtr->interp = interp;
     menuPtr->widgetCmd = Tcl_CreateObjCommand(interp,
 	    Tk_PathName(menuPtr->tkwin), MenuWidgetObjCmd,
@@ -518,7 +518,8 @@ MenuCmd(clientData, interp, objc, objv)
 
     Tk_SetClass(menuPtr->tkwin, "Menu");
     Tk_SetClassProcs(menuPtr->tkwin, &menuClass, (ClientData) menuPtr);
-    Tk_CreateEventHandler(new, ExposureMask|StructureNotifyMask|ActivateMask,
+    Tk_CreateEventHandler(newWin,
+	    ExposureMask|StructureNotifyMask|ActivateMask,
 	    TkMenuEventProc, (ClientData) menuPtr);
     if (Tk_InitOptions(interp, (char *) menuPtr,
 	    menuPtr->optionTablesPtr->menuOptionTable, menuPtr->tkwin)
diff --git a/generic/tkObj.c b/generic/tkObj.c
index 3b34eed..6c96364 100644
--- a/generic/tkObj.c
+++ b/generic/tkObj.c
@@ -8,7 +8,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkObj.c,v 1.13 2005/08/10 22:02:22 dkf Exp $
+ * RCS: @(#) $Id: tkObj.c,v 1.14 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkInt.h"
@@ -58,6 +58,7 @@ typedef struct MMRep {
  * A WindowRep caches name-to-window lookups. The cache is invalid if tkwin is
  * NULL or if mainPtr->deletionEpoch does not match epoch.
  */
+
 typedef struct WindowRep {
     Tk_Window tkwin;		/* Cached window; NULL if not found. */
     TkMainInfo *mainPtr;	/* MainWindow associated with tkwin. */
@@ -143,11 +144,11 @@ static Tcl_ObjType windowObjType = {
  */
 
 int
-Tk_GetPixelsFromObj(interp, tkwin, objPtr, intPtr)
-    Tcl_Interp *interp; 	/* Used for error reporting if not NULL. */
-    Tk_Window tkwin;
-    Tcl_Obj *objPtr;		/* The object from which to get pixels. */
-    int *intPtr;		/* Place to store resulting pixels. */
+Tk_GetPixelsFromObj(
+    Tcl_Interp *interp, 	/* Used for error reporting if not NULL. */
+    Tk_Window tkwin,
+    Tcl_Obj *objPtr,		/* The object from which to get pixels. */
+    int *intPtr)		/* Place to store resulting pixels. */
 {
     int result;
     double d;
@@ -204,8 +205,8 @@ Tk_GetPixelsFromObj(interp, tkwin, objPtr, intPtr)
  */
 
 static void
-FreePixelInternalRep(objPtr)
-    Tcl_Obj *objPtr;		/* Pixel object with internal rep to free. */
+FreePixelInternalRep(
+    Tcl_Obj *objPtr)		/* Pixel object with internal rep to free. */
 {
     PixelRep *pixelPtr;
 
@@ -236,9 +237,9 @@ FreePixelInternalRep(objPtr)
  */
 
 static void
-DupPixelInternalRep(srcPtr, copyPtr)
-    register Tcl_Obj *srcPtr;	/* Object with internal rep to copy. */
-    register Tcl_Obj *copyPtr;	/* Object with internal rep to set. */
+DupPixelInternalRep(
+    register Tcl_Obj *srcPtr,	/* Object with internal rep to copy. */
+    register Tcl_Obj *copyPtr)	/* Object with internal rep to set. */
 {
     PixelRep *oldPtr, *newPtr;
 
@@ -277,9 +278,9 @@ DupPixelInternalRep(srcPtr, copyPtr)
  */
 
 static int
-SetPixelFromAny(interp, objPtr)
-    Tcl_Interp *interp;		/* Used for error reporting if not NULL. */
-    Tcl_Obj *objPtr;		/* The object to convert. */
+SetPixelFromAny(
+    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
+    Tcl_Obj *objPtr)		/* The object to convert. */
 {
     Tcl_ObjType *typePtr;
     char *string, *rest;
@@ -379,11 +380,11 @@ SetPixelFromAny(interp, objPtr)
  */
 
 int
-Tk_GetMMFromObj(interp, tkwin, objPtr, doublePtr)
-    Tcl_Interp *interp; 	/* Used for error reporting if not NULL. */
-    Tk_Window tkwin;
-    Tcl_Obj *objPtr;		/* The object from which to get mms. */
-    double *doublePtr;		/* Place to store resulting millimeters. */
+Tk_GetMMFromObj(
+    Tcl_Interp *interp, 	/* Used for error reporting if not NULL. */
+    Tk_Window tkwin,
+    Tcl_Obj *objPtr,		/* The object from which to get mms. */
+    double *doublePtr)		/* Place to store resulting millimeters. */
 {
     int result;
     double d;
@@ -435,8 +436,8 @@ Tk_GetMMFromObj(interp, tkwin, objPtr, doublePtr)
  */
 
 static void
-FreeMMInternalRep(objPtr)
-    Tcl_Obj *objPtr;		/* MM object with internal rep to free. */
+FreeMMInternalRep(
+    Tcl_Obj *objPtr)		/* MM object with internal rep to free. */
 {
     ckfree((char *) objPtr->internalRep.otherValuePtr);
     objPtr->internalRep.otherValuePtr = NULL;
@@ -462,9 +463,9 @@ FreeMMInternalRep(objPtr)
  */
 
 static void
-DupMMInternalRep(srcPtr, copyPtr)
-    register Tcl_Obj *srcPtr;	/* Object with internal rep to copy. */
-    register Tcl_Obj *copyPtr;	/* Object with internal rep to set. */
+DupMMInternalRep(
+    register Tcl_Obj *srcPtr,	/* Object with internal rep to copy. */
+    register Tcl_Obj *copyPtr)	/* Object with internal rep to set. */
 {
     MMRep *oldPtr, *newPtr;
 
@@ -498,8 +499,8 @@ DupMMInternalRep(srcPtr, copyPtr)
  */
 
 static void
-UpdateStringOfMM(objPtr)
-    register Tcl_Obj *objPtr;   /* pixel obj with string rep to update. */
+UpdateStringOfMM(
+    register Tcl_Obj *objPtr)   /* pixel obj with string rep to update. */
 {
     MMRep *mmPtr;
     char buffer[TCL_DOUBLE_SPACE];
@@ -539,9 +540,9 @@ UpdateStringOfMM(objPtr)
  */
 
 static int
-SetMMFromAny(interp, objPtr)
-    Tcl_Interp *interp;		/* Used for error reporting if not NULL. */
-    Tcl_Obj *objPtr;		/* The object to convert. */
+SetMMFromAny(
+    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
+    Tcl_Obj *objPtr)		/* The object to convert. */
 {
     Tcl_ObjType *typePtr;
     char *string, *rest;
@@ -665,11 +666,11 @@ SetMMFromAny(interp, objPtr)
  */
 
 int
-TkGetWindowFromObj(interp, tkwin, objPtr, windowPtr)
-    Tcl_Interp *interp; 	/* Used for error reporting if not NULL. */
-    Tk_Window tkwin;		/* A token to get the main window from. */
-    Tcl_Obj *objPtr;		/* The object from which to get window. */
-    Tk_Window *windowPtr;	/* Place to store resulting window. */
+TkGetWindowFromObj(
+    Tcl_Interp *interp, 	/* Used for error reporting if not NULL. */
+    Tk_Window tkwin,		/* A token to get the main window from. */
+    Tcl_Obj *objPtr,		/* The object from which to get window. */
+    Tk_Window *windowPtr)	/* Place to store resulting window. */
 {
     TkMainInfo *mainPtr = ((TkWindow *)tkwin)->mainPtr;
     register WindowRep *winPtr;
@@ -724,9 +725,9 @@ TkGetWindowFromObj(interp, tkwin, objPtr, windowPtr)
  */
 
 static int
-SetWindowFromAny(interp, objPtr)
-    Tcl_Interp *interp;		/* Used for error reporting if not NULL. */
-    register Tcl_Obj *objPtr;	/* The object to convert. */
+SetWindowFromAny(
+    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
+    register Tcl_Obj *objPtr)	/* The object to convert. */
 {
     Tcl_ObjType *typePtr;
     WindowRep *winPtr;
@@ -771,9 +772,9 @@ SetWindowFromAny(interp, objPtr)
  */
 
 static void
-DupWindowInternalRep(srcPtr, copyPtr)
-    register Tcl_Obj *srcPtr;
-    register Tcl_Obj *copyPtr;
+DupWindowInternalRep(
+    register Tcl_Obj *srcPtr,
+    register Tcl_Obj *copyPtr)
 {
     register WindowRep *oldPtr, *newPtr;
 
@@ -805,8 +806,8 @@ DupWindowInternalRep(srcPtr, copyPtr)
  */
 
 static void
-FreeWindowInternalRep(objPtr)
-    Tcl_Obj *objPtr;		/* Window object with internal rep to free. */
+FreeWindowInternalRep(
+    Tcl_Obj *objPtr)		/* Window object with internal rep to free. */
 {
     ckfree((char *) objPtr->internalRep.otherValuePtr);
     objPtr->internalRep.otherValuePtr = NULL;
@@ -836,13 +837,13 @@ FreeWindowInternalRep(objPtr)
  */
 
 int
-TkParsePadAmount(interp, tkwin, specObj, halfPtr, allPtr)
-    Tcl_Interp *interp;		/* Interpreter for error reporting. */
-    Tk_Window tkwin;		/* A window.  Needed by Tk_GetPixels() */
-    Tcl_Obj *specObj;		/* The argument to "-padx", "-pady", "-ipadx",
+TkParsePadAmount(
+    Tcl_Interp *interp,		/* Interpreter for error reporting. */
+    Tk_Window tkwin,		/* A window.  Needed by Tk_GetPixels() */
+    Tcl_Obj *specObj,		/* The argument to "-padx", "-pady", "-ipadx",
 				 * or "-ipady". The thing to be parsed. */
-    int *halfPtr;		/* Write the left/top part of padding here */
-    int *allPtr;		/* Write the total padding here */
+    int *halfPtr,		/* Write the left/top part of padding here */
+    int *allPtr)		/* Write the total padding here */
 {
     int firstInt, secondInt;    /* The two components of the padding */
     int objc;			/* The length of the list (should be 1 or 2) */
@@ -937,7 +938,7 @@ TkParsePadAmount(interp, tkwin, specObj, halfPtr, allPtr)
  */
 
 void
-TkRegisterObjTypes()
+TkRegisterObjTypes(void)
 {
     Tcl_RegisterObjType(&tkBorderObjType);
     Tcl_RegisterObjType(&tkBitmapObjType);
diff --git a/generic/tkOldConfig.c b/generic/tkOldConfig.c
index 345fa3d..c0b40b7 100644
--- a/generic/tkOldConfig.c
+++ b/generic/tkOldConfig.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkOldConfig.c,v 1.18 2005/09/14 22:51:09 dkf Exp $
+ * RCS: @(#) $Id: tkOldConfig.c,v 1.19 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -373,19 +373,19 @@ DoConfig(interp, tkwin, specPtr, value, valueIsUid, widgRec)
 	    }
 	    break;
 	case TK_CONFIG_STRING: {
-	    char *old, *new;
+	    char *oldStr, *newStr;
 
 	    if (nullValue) {
-		new = NULL;
+		newStr = NULL;
 	    } else {
-		new = (char *) ckalloc((unsigned) (strlen(value) + 1));
-		strcpy(new, value);
+		newStr = (char *) ckalloc((unsigned) (strlen(value) + 1));
+		strcpy(newStr, value);
 	    }
-	    old = *((char **) ptr);
-	    if (old != NULL) {
-		ckfree(old);
+	    oldStr = *((char **) ptr);
+	    if (oldStr != NULL) {
+		ckfree(oldStr);
 	    }
-	    *((char **) ptr) = new;
+	    *((char **) ptr) = newStr;
 	    break;
 	}
 	case TK_CONFIG_UID:
@@ -416,56 +416,56 @@ DoConfig(interp, tkwin, specPtr, value, valueIsUid, widgRec)
 	    break;
 	}
 	case TK_CONFIG_FONT: {
-	    Tk_Font new;
+	    Tk_Font newFont;
 
 	    if (nullValue) {
-		new = NULL;
+		newFont = NULL;
 	    } else {
-		new = Tk_GetFont(interp, tkwin, value);
-		if (new == NULL) {
+		newFont = Tk_GetFont(interp, tkwin, value);
+		if (newFont == NULL) {
 		    return TCL_ERROR;
 		}
 	    }
 	    Tk_FreeFont(*((Tk_Font *) ptr));
-	    *((Tk_Font *) ptr) = new;
+	    *((Tk_Font *) ptr) = newFont;
 	    break;
 	}
 	case TK_CONFIG_BITMAP: {
-	    Pixmap new, old;
+	    Pixmap newBmp, oldBmp;
 
 	    if (nullValue) {
-		new = None;
+		newBmp = None;
 	    } else {
 		uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
-		new = Tk_GetBitmap(interp, tkwin, uid);
-		if (new == None) {
+		newBmp = Tk_GetBitmap(interp, tkwin, uid);
+		if (newBmp == None) {
 		    return TCL_ERROR;
 		}
 	    }
-	    old = *((Pixmap *) ptr);
-	    if (old != None) {
-		Tk_FreeBitmap(Tk_Display(tkwin), old);
+	    oldBmp = *((Pixmap *) ptr);
+	    if (oldBmp != None) {
+		Tk_FreeBitmap(Tk_Display(tkwin), oldBmp);
 	    }
-	    *((Pixmap *) ptr) = new;
+	    *((Pixmap *) ptr) = newBmp;
 	    break;
 	}
 	case TK_CONFIG_BORDER: {
-	    Tk_3DBorder new, old;
+	    Tk_3DBorder newBorder, oldBorder;
 
 	    if (nullValue) {
-		new = NULL;
+		newBorder = NULL;
 	    } else {
 		uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
-		new = Tk_Get3DBorder(interp, tkwin, uid);
-		if (new == NULL) {
+		newBorder = Tk_Get3DBorder(interp, tkwin, uid);
+		if (newBorder == NULL) {
 		    return TCL_ERROR;
 		}
 	    }
-	    old = *((Tk_3DBorder *) ptr);
-	    if (old != NULL) {
-		Tk_Free3DBorder(old);
+	    oldBorder = *((Tk_3DBorder *) ptr);
+	    if (oldBorder != NULL) {
+		Tk_Free3DBorder(oldBorder);
 	    }
-	    *((Tk_3DBorder *) ptr) = new;
+	    *((Tk_3DBorder *) ptr) = newBorder;
 	    break;
 	}
 	case TK_CONFIG_RELIEF:
@@ -476,24 +476,24 @@ DoConfig(interp, tkwin, specPtr, value, valueIsUid, widgRec)
 	    break;
 	case TK_CONFIG_CURSOR:
 	case TK_CONFIG_ACTIVE_CURSOR: {
-	    Tk_Cursor new, old;
+	    Tk_Cursor newCursor, oldCursor;
 
 	    if (nullValue) {
-		new = None;
+		newCursor = None;
 	    } else {
 		uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
-		new = Tk_GetCursor(interp, tkwin, uid);
-		if (new == None) {
+		newCursor = Tk_GetCursor(interp, tkwin, uid);
+		if (newCursor == None) {
 		    return TCL_ERROR;
 		}
 	    }
-	    old = *((Tk_Cursor *) ptr);
-	    if (old != None) {
-		Tk_FreeCursor(Tk_Display(tkwin), old);
+	    oldCursor = *((Tk_Cursor *) ptr);
+	    if (oldCursor != None) {
+		Tk_FreeCursor(Tk_Display(tkwin), oldCursor);
 	    }
-	    *((Tk_Cursor *) ptr) = new;
+	    *((Tk_Cursor *) ptr) = newCursor;
 	    if (specPtr->type == TK_CONFIG_ACTIVE_CURSOR) {
-		Tk_DefineCursor(tkwin, new);
+		Tk_DefineCursor(tkwin, newCursor);
 	    }
 	    break;
 	}
diff --git a/generic/tkOption.c b/generic/tkOption.c
index a0080fc..6e521ce 100644
--- a/generic/tkOption.c
+++ b/generic/tkOption.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkOption.c,v 1.16 2005/08/10 22:02:22 dkf Exp $
+ * RCS: @(#) $Id: tkOption.c,v 1.17 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -57,24 +57,24 @@
  */
 
 typedef struct Element {
-    Tk_Uid nameUid;			/* Name or class from one element of
-					 * an option spec. */
+    Tk_Uid nameUid;		/* Name or class from one element of an option
+				 * spec. */
     union {
-	struct ElArray *arrayPtr;	/* If this is an intermediate node, a
-					 * pointer to a structure describing
-					 * the remaining elements of all
-					 * options whose prefixes are the same
-					 * up through this element. */
-	Tk_Uid valueUid;		/* For leaf nodes, this is the string
-					 * value of the option. */
+	struct ElArray *arrayPtr;
+				/* If this is an intermediate node, a pointer
+				 * to a structure describing the remaining
+				 * elements of all options whose prefixes are
+				 * the same up through this element. */
+	Tk_Uid valueUid;	/* For leaf nodes, this is the string value of
+				 * the option. */
     } child;
-    int priority;			/* Used to select among matching
-					 * options. Includes both the priority
-					 * level and a serial #. Greater value
-					 * means higher priority. Irrelevant
-					 * except in leaf nodes. */
-    int flags;				/* OR-ed combination of bits. See
-					 * below for values. */
+    int priority;		/* Used to select among matching options.
+				 * Includes both the priority level and a
+				 * serial #. Greater value means higher
+				 * priority. Irrelevant except in leaf
+				 * nodes. */
+    int flags;			/* OR-ed combination of bits. See below for
+				 * values. */
 } Element;
 
 /*
@@ -247,12 +247,12 @@ static void		SetupStacks(TkWindow *winPtr, int leaf);
  */
 
 void
-Tk_AddOption(tkwin, name, value, priority)
-    Tk_Window tkwin;		/* Window token; option will be associated
+Tk_AddOption(
+    Tk_Window tkwin,		/* Window token; option will be associated
 				 * with main window for this window. */
-    CONST char *name;		/* Multi-element name of option. */
-    CONST char *value;		/* String value for option. */
-    int priority;		/* Overall priority level to use for this
+    CONST char *name,		/* Multi-element name of option. */
+    CONST char *value,		/* String value for option. */
+    int priority)		/* Overall priority level to use for this
 				 * option, such as TK_USER_DEFAULT_PRIO or
 				 * TK_INTERACTIVE_PRIO. Must be between 0 and
 				 * TK_MAX_PRIO. */
@@ -399,11 +399,11 @@ Tk_AddOption(tkwin, name, value, priority)
  */
 
 Tk_Uid
-Tk_GetOption(tkwin, name, className)
-    Tk_Window tkwin;		/* Token for window that option is associated
+Tk_GetOption(
+    Tk_Window tkwin,		/* Token for window that option is associated
 				 * with. */
-    CONST char *name;		/* Name of option. */
-    CONST char *className;	/* Class of option. NULL means there is no
+    CONST char *name,		/* Name of option. */
+    CONST char *className)	/* Class of option. NULL means there is no
 				 * class for this option: just check for
 				 * name. */
 {
@@ -610,11 +610,11 @@ Tk_GetOption(tkwin, name, className)
  */
 
 int
-Tk_OptionObjCmd(clientData, interp, objc, objv)
-    ClientData clientData;	/* Main window associated with interpreter. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of Tcl_Obj arguments. */
-    Tcl_Obj *CONST objv[];	/* Tcl_Obj arguments. */
+Tk_OptionObjCmd(
+    ClientData clientData,	/* Main window associated with interpreter. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of Tcl_Obj arguments. */
+    Tcl_Obj *CONST objv[])	/* Tcl_Obj arguments. */
 {
     Tk_Window tkwin = (Tk_Window) clientData;
     int index, result;
@@ -740,8 +740,8 @@ Tk_OptionObjCmd(clientData, interp, objc, objv)
  */
 
 void
-TkOptionDeadWindow(winPtr)
-    register TkWindow *winPtr;		/* Window to be cleaned up. */
+TkOptionDeadWindow(
+    register TkWindow *winPtr)	/* Window to be cleaned up. */
 {
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
             Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
@@ -790,8 +790,8 @@ TkOptionDeadWindow(winPtr)
  */
 
 void
-TkOptionClassChanged(winPtr)
-    TkWindow *winPtr;			/* Window whose class changed. */
+TkOptionClassChanged(
+    TkWindow *winPtr)		/* Window whose class changed. */
 {
     int i, j, *basePtr;
     ElArray *arrayPtr;
@@ -848,9 +848,9 @@ TkOptionClassChanged(winPtr)
  */
 
 static int
-ParsePriority(interp, string)
-    Tcl_Interp *interp;		/* Interpreter to use for error reporting. */
-    char *string;		/* Describes a priority level, either
+ParsePriority(
+    Tcl_Interp *interp,		/* Interpreter to use for error reporting. */
+    char *string)		/* Describes a priority level, either
 				 * symbolically or numerically. */
 {
     int priority, c;
@@ -878,8 +878,7 @@ ParsePriority(interp, string)
 		|| (priority > 100)) {
 	    Tcl_AppendResult(interp,  "bad priority level \"", string,
 		    "\": must be widgetDefault, startupFile, userDefault, ",
-		    "interactive, or a number between 0 and 100",
-		    (char *) NULL);
+		    "interactive, or a number between 0 and 100", NULL);
 	    return -1;
 	}
     }
@@ -910,12 +909,12 @@ ParsePriority(interp, string)
  */
 
 static int
-AddFromString(interp, tkwin, string, priority)
-    Tcl_Interp *interp;		/* Interpreter to use for reporting results. */
-    Tk_Window tkwin;		/* Token for window: options are entered for
+AddFromString(
+    Tcl_Interp *interp,		/* Interpreter to use for reporting results. */
+    Tk_Window tkwin,		/* Token for window: options are entered for
 				 * this window's main window. */
-    char *string;		/* String containing option specifiers. */
-    int priority;		/* Priority level to use for options in this
+    char *string,		/* String containing option specifiers. */
+    int priority)		/* Priority level to use for options in this
 				 * string, such as TK_USER_DEFAULT_PRIO or
 				 * TK_INTERACTIVE_PRIO. Must be between 0 and
 				 * TK_MAX_PRIO. */
@@ -1060,12 +1059,12 @@ AddFromString(interp, tkwin, string, priority)
  */
 
 static int
-ReadOptionFile(interp, tkwin, fileName, priority)
-    Tcl_Interp *interp;		/* Interpreter to use for reporting results. */
-    Tk_Window tkwin;		/* Token for window: options are entered for
+ReadOptionFile(
+    Tcl_Interp *interp,		/* Interpreter to use for reporting results. */
+    Tk_Window tkwin,		/* Token for window: options are entered for
 				 * this window's main window. */
-    char *fileName;		/* Name of file containing options. */
-    int priority;		/* Priority level to use for options in this
+    char *fileName,		/* Name of file containing options. */
+    int priority)		/* Priority level to use for options in this
 				 * file, such as TK_USER_DEFAULT_PRIO or
 				 * TK_INTERACTIVE_PRIO. Must be between 0 and
 				 * TK_MAX_PRIO. */
@@ -1082,7 +1081,7 @@ ReadOptionFile(interp, tkwin, fileName, priority)
 
     if (Tcl_IsSafe(interp)) {
         Tcl_AppendResult(interp, "can't read options from a file in a",
-                " safe interpreter", (char *) NULL);
+                " safe interpreter", NULL);
         return TCL_ERROR;
     }
 
@@ -1095,7 +1094,7 @@ ReadOptionFile(interp, tkwin, fileName, priority)
     if (chan == NULL) {
         Tcl_ResetResult(interp);
 	Tcl_AppendResult(interp, "couldn't open \"", fileName,
-		"\": ", Tcl_PosixError(interp), (char *) NULL);
+		"\": ", Tcl_PosixError(interp), NULL);
 	return TCL_ERROR;
     }
 
@@ -1109,7 +1108,7 @@ ReadOptionFile(interp, tkwin, fileName, priority)
 
     if (bufferSize < 0) {
 	Tcl_AppendResult(interp, "error seeking to end of file \"",
-		fileName, "\":", Tcl_PosixError(interp), (char *) NULL);
+		fileName, "\":", Tcl_PosixError(interp), NULL);
 	Tcl_Close(NULL, chan);
 	return TCL_ERROR;
 
@@ -1118,7 +1117,7 @@ ReadOptionFile(interp, tkwin, fileName, priority)
     bufferSize = Tcl_Read(chan, buffer, bufferSize);
     if (bufferSize < 0) {
 	Tcl_AppendResult(interp, "error reading file \"", fileName, "\":",
-		Tcl_PosixError(interp), (char *) NULL);
+		Tcl_PosixError(interp), NULL);
 	Tcl_Close(NULL, chan);
 	return TCL_ERROR;
     }
@@ -1147,8 +1146,8 @@ ReadOptionFile(interp, tkwin, fileName, priority)
  */
 
 static ElArray *
-NewArray(numEls)
-    int numEls;			/* How many elements of space to allocate. */
+NewArray(
+    int numEls)			/* How many elements of space to allocate. */
 {
     register ElArray *arrayPtr;
 
@@ -1177,9 +1176,9 @@ NewArray(numEls)
  */
 
 static ElArray *
-ExtendArray(arrayPtr, elPtr)
-    register ElArray *arrayPtr;	/* Array to be extended. */
-    register Element *elPtr;	/* Element to be copied into array. */
+ExtendArray(
+    register ElArray *arrayPtr,	/* Array to be extended. */
+    register Element *elPtr)	/* Element to be copied into array. */
 {
     /*
      * If the current array has filled up, make it bigger.
@@ -1223,10 +1222,10 @@ ExtendArray(arrayPtr, elPtr)
  */
 
 static void
-SetupStacks(winPtr, leaf)
-    TkWindow *winPtr;		/* Window for which information is to be
+SetupStacks(
+    TkWindow *winPtr,		/* Window for which information is to be
 				 * cached. */
-    int leaf;			/* Non-zero means this is the leaf window
+    int leaf)			/* Non-zero means this is the leaf window
 				 * being probed. Zero means this is an
 				 * ancestor of the desired leaf. */
 {
@@ -1388,9 +1387,9 @@ SetupStacks(winPtr, leaf)
  */
 
 static void
-ExtendStacks(arrayPtr, leaf)
-    ElArray *arrayPtr;		/* Array of elements to copy onto stacks. */
-    int leaf;			/* If zero, then don't copy exact leaf
+ExtendStacks(
+    ElArray *arrayPtr,		/* Array of elements to copy onto stacks. */
+    int leaf)			/* If zero, then don't copy exact leaf
 				 * elements. */
 {
     register int count;
@@ -1425,14 +1424,15 @@ ExtendStacks(arrayPtr, leaf)
  */
 
 static void
-OptionThreadExitProc(clientData)
-    ClientData clientData;	/* not used */
+OptionThreadExitProc(
+    ClientData clientData)	/* not used */
 {
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
             Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
 
     if (tsdPtr->initialized) {
 	int i;
+
 	for (i = 0; i < NUM_STACKS; i++) {
 	    ckfree((char *) tsdPtr->stacks[i]);
 	}
@@ -1458,8 +1458,8 @@ OptionThreadExitProc(clientData)
  */
 
 static void
-OptionInit(mainPtr)
-    register TkMainInfo *mainPtr;
+OptionInit(
+    register TkMainInfo *mainPtr)
 				/* Top-level information about window that
 				 * isn't initialized yet. */
 {
@@ -1524,8 +1524,8 @@ OptionInit(mainPtr)
  */
 
 static void
-ClearOptionTree(arrayPtr)
-    ElArray *arrayPtr;		/* Array of options; delete everything
+ClearOptionTree(
+    ElArray *arrayPtr)		/* Array of options; delete everything
 				 * referred to recursively by this. */
 {
     register Element *elPtr;
@@ -1560,9 +1560,9 @@ ClearOptionTree(arrayPtr)
  */
 
 static int
-GetDefaultOptions(interp, winPtr)
-    Tcl_Interp *interp;		/* Interpreter to use for error reporting. */
-    TkWindow *winPtr;		/* Fetch option defaults for main window
+GetDefaultOptions(
+    Tcl_Interp *interp,		/* Interpreter to use for error reporting. */
+    TkWindow *winPtr)		/* Fetch option defaults for main window
 				 * associated with this. */
 {
     char *regProp;
diff --git a/generic/tkPack.c b/generic/tkPack.c
index bdc1f37..416d197 100644
--- a/generic/tkPack.c
+++ b/generic/tkPack.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkPack.c,v 1.23 2005/08/11 01:32:26 dgp Exp $
+ * RCS: @(#) $Id: tkPack.c,v 1.24 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -18,7 +18,7 @@
 
 typedef enum {TOP, BOTTOM, LEFT, RIGHT} Side;
 static CONST char *sideNames[] = {
-    "top", "bottom", "left", "right", (char *) NULL
+    "top", "bottom", "left", "right", NULL
 };
 
 /* For each window that the packer cares about (either because
@@ -149,12 +149,12 @@ static int		YExpansion(Packer *slavePtr, int cavityHeight);
  */
 
 void
-TkPrintPadAmount(interp, switchName, halfSpace, allSpace)
-    Tcl_Interp *interp;		/* The interpreter into which the result is
+TkPrintPadAmount(
+    Tcl_Interp *interp,		/* The interpreter into which the result is
 				 * written. */
-    char *switchName;		/* One of "padx", "pady", "ipadx" or "ipady" */
-    int halfSpace;		/* The left or top padding amount */
-    int allSpace;		/* The total amount of padding */
+    char *switchName,		/* One of "padx", "pady", "ipadx" or "ipady" */
+    int halfSpace,		/* The left or top padding amount */
+    int allSpace)		/* The total amount of padding */
 {
     char buffer[60 + 2*TCL_INTEGER_SPACE];
     if (halfSpace*2 == allSpace) {
@@ -163,9 +163,8 @@ TkPrintPadAmount(interp, switchName, halfSpace, allSpace)
 	sprintf(buffer, " -%.10s {%d %d}", switchName, halfSpace,
 		allSpace - halfSpace);
     }
-    Tcl_AppendResult(interp, buffer, (char *)NULL);
+    Tcl_AppendResult(interp, buffer, NULL);
 }
-
 
 /*
  *--------------------------------------------------------------
@@ -185,18 +184,18 @@ TkPrintPadAmount(interp, switchName, halfSpace, allSpace)
  */
 
 int
-Tk_PackObjCmd(clientData, interp, objc, objv)
-    ClientData clientData;	/* Main window associated with interpreter. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. */
+Tk_PackObjCmd(
+    ClientData clientData,	/* Main window associated with interpreter. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. */
 {
     Tk_Window tkwin = (Tk_Window) clientData;
     char *argv2;
     static CONST char *optionStrings[] = {
 	/* after, append, before and unpack are deprecated */
 	"after", "append", "before", "unpack",
-	"configure", "forget", "info", "propagate", "slaves", (char *) NULL };
+	"configure", "forget", "info", "propagate", "slaves", NULL };
     enum options {
 	PACK_AFTER, PACK_APPEND, PACK_BEFORE, PACK_UNPACK,
 	PACK_CONFIGURE, PACK_FORGET, PACK_INFO, PACK_PROPAGATE, PACK_SLAVES };
@@ -239,7 +238,7 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
 	prevPtr = GetPacker(tkwin2);
 	if (prevPtr->masterPtr == NULL) {
 	    Tcl_AppendResult(interp, "window \"", argv2,
-		    "\" isn't packed", (char *) NULL);
+		    "\" isn't packed", NULL);
 	    return TCL_ERROR;
 	}
 	return PackAfter(interp, prevPtr, prevPtr->masterPtr, objc-3, objv+3);
@@ -272,7 +271,7 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
 	packPtr = GetPacker(tkwin2);
 	if (packPtr->masterPtr == NULL) {
 	    Tcl_AppendResult(interp, "window \"", argv2,
-		    "\" isn't packed", (char *) NULL);
+		    "\" isn't packed", NULL);
 	    return TCL_ERROR;
 	}
 	masterPtr = packPtr->masterPtr;
@@ -294,7 +293,7 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
     case PACK_CONFIGURE:
 	if (argv2[0] != '.') {
 	    Tcl_AppendResult(interp, "bad argument \"", argv2,
-		    "\": must be name of window", (char *) NULL);
+		    "\": must be name of window", NULL);
 	    return TCL_ERROR;
 	}
 	return ConfigureSlaves(interp, tkwin, objc-2, objv+2);
@@ -309,7 +308,7 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
 	    }
 	    slavePtr = GetPacker(slave);
 	    if ((slavePtr != NULL) && (slavePtr->masterPtr != NULL)) {
-		Tk_ManageGeometry(slave, (Tk_GeomMgr *) NULL,
+		Tk_ManageGeometry(slave, NULL,
 			(ClientData) NULL);
 		if (slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin)) {
 		    Tk_UnmaintainGeometry(slavePtr->tkwin,
@@ -335,7 +334,7 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
 	slavePtr = GetPacker(slave);
 	if (slavePtr->masterPtr == NULL) {
 	    Tcl_AppendResult(interp, "window \"", argv2,
-		    "\" isn't packed", (char *) NULL);
+		    "\" isn't packed", NULL);
 	    return TCL_ERROR;
 	}
 	Tcl_AppendElement(interp, "-in");
@@ -343,28 +342,26 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
 	Tcl_AppendElement(interp, "-anchor");
 	Tcl_AppendElement(interp, Tk_NameOfAnchor(slavePtr->anchor));
 	Tcl_AppendResult(interp, " -expand ",
-		(slavePtr->flags & EXPAND) ? "1" : "0", " -fill ",
-		(char *) NULL);
+		(slavePtr->flags & EXPAND) ? "1" : "0", " -fill ", NULL);
 	switch (slavePtr->flags & (FILLX|FILLY)) {
 	case 0:
-	    Tcl_AppendResult(interp, "none", (char *) NULL);
+	    Tcl_AppendResult(interp, "none", NULL);
 	    break;
 	case FILLX:
-	    Tcl_AppendResult(interp, "x", (char *) NULL);
+	    Tcl_AppendResult(interp, "x", NULL);
 	    break;
 	case FILLY:
-	    Tcl_AppendResult(interp, "y", (char *) NULL);
+	    Tcl_AppendResult(interp, "y", NULL);
 	    break;
 	case FILLX|FILLY:
-	    Tcl_AppendResult(interp, "both", (char *) NULL);
+	    Tcl_AppendResult(interp, "both", NULL);
 	    break;
 	}
 	TkPrintPadAmount(interp, "ipadx", slavePtr->iPadX/2, slavePtr->iPadX);
 	TkPrintPadAmount(interp, "ipady", slavePtr->iPadY/2, slavePtr->iPadY);
 	TkPrintPadAmount(interp, "padx", slavePtr->padLeft, slavePtr->padX);
 	TkPrintPadAmount(interp, "pady", slavePtr->padTop, slavePtr->padY);
-	Tcl_AppendResult(interp, " -side ", sideNames[slavePtr->side],
-		(char *) NULL);
+	Tcl_AppendResult(interp, " -side ", sideNames[slavePtr->side], NULL);
 	break;
     }
     case PACK_PROPAGATE: {
@@ -439,7 +436,7 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
 	}
 	packPtr = GetPacker(tkwin2);
 	if ((packPtr != NULL) && (packPtr->masterPtr != NULL)) {
-	    Tk_ManageGeometry(tkwin2, (Tk_GeomMgr *) NULL,
+	    Tk_ManageGeometry(tkwin2, NULL,
 		    (ClientData) NULL);
 	    if (packPtr->masterPtr->tkwin != Tk_Parent(packPtr->tkwin)) {
 		Tk_UnmaintainGeometry(packPtr->tkwin,
@@ -475,10 +472,10 @@ Tk_PackObjCmd(clientData, interp, objc, objv)
 
 	/* ARGSUSED */
 static void
-PackReqProc(clientData, tkwin)
-    ClientData clientData;	/* Packer's information about window that got
+PackReqProc(
+    ClientData clientData,	/* Packer's information about window that got
 				 * new preferred geometry.  */
-    Tk_Window tkwin;		/* Other Tk-related information about the
+    Tk_Window tkwin)		/* Other Tk-related information about the
 				 * window. */
 {
     register Packer *packPtr = (Packer *) clientData;
@@ -509,10 +506,10 @@ PackReqProc(clientData, tkwin)
 
 	/* ARGSUSED */
 static void
-PackLostSlaveProc(clientData, tkwin)
-    ClientData clientData;	/* Packer structure for slave window that was
+PackLostSlaveProc(
+    ClientData clientData,	/* Packer structure for slave window that was
 				 * stolen away. */
-    Tk_Window tkwin;		/* Tk's handle for the slave window. */
+    Tk_Window tkwin)		/* Tk's handle for the slave window. */
 {
     register Packer *slavePtr = (Packer *) clientData;
 
@@ -543,8 +540,8 @@ PackLostSlaveProc(clientData, tkwin)
  */
 
 static void
-ArrangePacking(clientData)
-    ClientData clientData;	/* Structure describing master whose slaves
+ArrangePacking(
+    ClientData clientData)	/* Structure describing master whose slaves
 				 * are to be re-layed out. */
 {
     register Packer *masterPtr = (Packer *) clientData;
@@ -869,9 +866,9 @@ ArrangePacking(clientData)
  */
 
 static int
-XExpansion(slavePtr, cavityWidth)
-    register Packer *slavePtr;	/* First in list of remaining slaves. */
-    int cavityWidth;		/* Horizontal space left for all remaining
+XExpansion(
+    register Packer *slavePtr,	/* First in list of remaining slaves. */
+    int cavityWidth)		/* Horizontal space left for all remaining
 				 * slaves. */
 {
     int numExpand, minExpand, curExpand;
@@ -931,9 +928,9 @@ XExpansion(slavePtr, cavityWidth)
  */
 
 static int
-YExpansion(slavePtr, cavityHeight)
-    register Packer *slavePtr;	/* First in list of remaining slaves. */
-    int cavityHeight;		/* Vertical space left for all remaining
+YExpansion(
+    register Packer *slavePtr,	/* First in list of remaining slaves. */
+    int cavityHeight)		/* Vertical space left for all remaining
 				 * slaves. */
 {
     int numExpand, minExpand, curExpand;
@@ -987,13 +984,13 @@ YExpansion(slavePtr, cavityHeight)
  */
 
 static Packer *
-GetPacker(tkwin)
-    Tk_Window tkwin;		/* Token for window for which packer structure
+GetPacker(
+    Tk_Window tkwin)		/* Token for window for which packer structure
 				 * is desired. */
 {
     register Packer *packPtr;
     Tcl_HashEntry *hPtr;
-    int new;
+    int isNew;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
 
     if (!dispPtr->packInit) {
@@ -1007,8 +1004,8 @@ GetPacker(tkwin)
      */
 
     hPtr = Tcl_CreateHashEntry(&dispPtr->packerHashTable, (char *) tkwin,
-	    &new);
-    if (!new) {
+	    &isNew);
+    if (!isNew) {
 	return (Packer *) Tcl_GetHashValue(hPtr);
     }
     packPtr = (Packer *) ckalloc(sizeof(Packer));
@@ -1049,14 +1046,14 @@ GetPacker(tkwin)
  */
 
 static int
-PackAfter(interp, prevPtr, masterPtr, objc, objv)
-    Tcl_Interp *interp;		/* Interpreter for error reporting. */
-    Packer *prevPtr;		/* Pack windows in argv just after this
+PackAfter(
+    Tcl_Interp *interp,		/* Interpreter for error reporting. */
+    Packer *prevPtr,		/* Pack windows in argv just after this
 				 * window; NULL means pack as first child of
 				 * masterPtr. */
-    Packer *masterPtr;		/* Master in which to pack windows. */
-    int objc;			/* Number of elements in objv. */
-    Tcl_Obj *CONST objv[];	/* Array of lists, each containing 2 elements:
+    Packer *masterPtr,		/* Master in which to pack windows. */
+    int objc,			/* Number of elements in objv. */
+    Tcl_Obj *CONST objv[])	/* Array of lists, each containing 2 elements:
 				 * window name and side against which to
 				 * pack. */
 {
@@ -1076,7 +1073,7 @@ PackAfter(interp, prevPtr, masterPtr, objc, objv)
 	if (objc < 2) {
 	    Tcl_AppendResult(interp, "wrong # args: window \"",
 		    Tcl_GetString(objv[0]), "\" should be followed by options",
-		    (char *) NULL);
+		    NULL);
 	    return TCL_ERROR;
 	}
 
@@ -1099,8 +1096,7 @@ PackAfter(interp, prevPtr, masterPtr, objc, objv)
 	    if (((Tk_FakeWin *) (ancestor))->flags & TK_TOP_HIERARCHY) {
 	    badWindow:
 		Tcl_AppendResult(interp, "can't pack ", Tcl_GetString(objv[0]),
-			" inside ", Tk_PathName(masterPtr->tkwin),
-			(char *) NULL);
+			" inside ", Tk_PathName(masterPtr->tkwin), NULL);
 		return TCL_ERROR;
 	    }
 	}
@@ -1160,7 +1156,7 @@ PackAfter(interp, prevPtr, masterPtr, objc, objv)
 		missingPad:
 		    Tcl_AppendResult(interp, "wrong # args: \"", curOpt,
 			    "\" option must be followed by screen distance",
-			    (char *) NULL);
+			    NULL);
 		    return TCL_ERROR;
 		}
 		if (TkParsePadAmount(interp, tkwin, options[index+1],
@@ -1187,8 +1183,7 @@ PackAfter(interp, prevPtr, masterPtr, objc, objv)
 		    && (strncmp(curOpt, "frame", (size_t) length) == 0)) {
 		if (optionCount < (index+2)) {
 		    Tcl_AppendResult(interp, "wrong # args: \"frame\" ",
-			    "option must be followed by anchor point",
-			    (char *) NULL);
+			    "option must be followed by anchor point", NULL);
 		    return TCL_ERROR;
 		}
 		if (Tk_GetAnchorFromObj(interp, options[index+1],
@@ -1198,9 +1193,8 @@ PackAfter(interp, prevPtr, masterPtr, objc, objv)
 		index++;
 	    } else {
 		Tcl_AppendResult(interp, "bad option \"", curOpt,
-			"\": should be top, bottom, left, right, ",
-			"expand, fill, fillx, filly, padx, pady, or frame",
-			(char *) NULL);
+			"\": should be top, bottom, left, right, expand, ",
+			"fill, fillx, filly, padx, pady, or frame", NULL);
 		return TCL_ERROR;
 	    }
 	}
@@ -1269,8 +1263,8 @@ PackAfter(interp, prevPtr, masterPtr, objc, objv)
  */
 
 static void
-Unlink(packPtr)
-    register Packer *packPtr;	/* Window to unlink. */
+Unlink(
+    register Packer *packPtr)	/* Window to unlink. */
 {
     register Packer *masterPtr, *packPtr2;
 
@@ -1321,9 +1315,9 @@ Unlink(packPtr)
  */
 
 static void
-DestroyPacker(memPtr)
-    char *memPtr;		/* Info about packed window that
-				 * is now dead. */
+DestroyPacker(
+    char *memPtr)		/* Info about packed window that is now
+				 * dead. */
 {
     register Packer *packPtr = (Packer *) memPtr;
     ckfree((char *) packPtr);
@@ -1348,10 +1342,10 @@ DestroyPacker(memPtr)
  */
 
 static void
-PackStructureProc(clientData, eventPtr)
-    ClientData clientData;	/* Our information about window referred to by
+PackStructureProc(
+    ClientData clientData,	/* Our information about window referred to by
 				 * eventPtr. */
-    XEvent *eventPtr;		/* Describes what just happened. */
+    XEvent *eventPtr)		/* Describes what just happened. */
 {
     register Packer *packPtr = (Packer *) clientData;
 
@@ -1378,7 +1372,7 @@ PackStructureProc(clientData, eventPtr)
 
 	for (slavePtr = packPtr->slavePtr; slavePtr != NULL;
 		slavePtr = nextPtr) {
-	    Tk_ManageGeometry(slavePtr->tkwin, (Tk_GeomMgr *) NULL,
+	    Tk_ManageGeometry(slavePtr->tkwin, NULL,
 		    (ClientData) NULL);
 	    Tk_UnmapWindow(slavePtr->tkwin);
 	    slavePtr->masterPtr = NULL;
@@ -1443,12 +1437,12 @@ PackStructureProc(clientData, eventPtr)
  */
 
 static int
-ConfigureSlaves(interp, tkwin, objc, objv)
-    Tcl_Interp *interp;		/* Interpreter for error reporting. */
-    Tk_Window tkwin;		/* Any window in application containing
+ConfigureSlaves(
+    Tcl_Interp *interp,		/* Interpreter for error reporting. */
+    Tk_Window tkwin,		/* Any window in application containing
 				 * slaves. Used to look up slave names. */
-    int objc;			/* Number of elements in argv. */
-    Tcl_Obj *CONST objv[];	/* Argument objects: contains one or more
+    int objc,			/* Number of elements in argv. */
+    Tcl_Obj *CONST objv[])	/* Argument objects: contains one or more
 				 * window names followed by any number of
 				 * "option value" pairs. Caller must make sure
 				 * that there is at least one window name. */
@@ -1459,7 +1453,7 @@ ConfigureSlaves(interp, tkwin, objc, objv)
     char *string;
     static CONST char *optionStrings[] = {
 	"-after", "-anchor", "-before", "-expand", "-fill",
-	"-in", "-ipadx", "-ipady", "-padx", "-pady", "-side", (char *) NULL };
+	"-in", "-ipadx", "-ipady", "-padx", "-pady", "-side", NULL };
     enum options {
 	CONF_AFTER, CONF_ANCHOR, CONF_BEFORE, CONF_EXPAND, CONF_FILL,
 	CONF_IN, CONF_IPADX, CONF_IPADY, CONF_PADX, CONF_PADY, CONF_SIDE };
@@ -1495,7 +1489,7 @@ ConfigureSlaves(interp, tkwin, objc, objv)
 	}
 	if (Tk_TopWinHierarchy(slave)) {
 	    Tcl_AppendResult(interp, "can't pack \"", Tcl_GetString(objv[j]),
-		    "\": it's a top-level window", (char *) NULL);
+		    "\": it's a top-level window", NULL);
 	    return TCL_ERROR;
 	}
 	slavePtr = GetPacker(slave);
@@ -1520,7 +1514,7 @@ ConfigureSlaves(interp, tkwin, objc, objv)
 	    if ((i+2) > objc) {
 		Tcl_AppendResult(interp, "extra option \"",
 			Tcl_GetString(objv[i]),
-			"\" (option with no value?)", (char *) NULL);
+			"\" (option with no value?)", NULL);
 		return TCL_ERROR;
 	    }
 	    if (Tcl_GetIndexFromObj(interp, objv[i], optionStrings, "option",
@@ -1537,10 +1531,10 @@ ConfigureSlaves(interp, tkwin, objc, objv)
 		    }
 		    prevPtr = GetPacker(other);
 		    if (prevPtr->masterPtr == NULL) {
-			notPacked:
+		    notPacked:
 			Tcl_AppendResult(interp, "window \"",
 				Tcl_GetString(objv[i+1]),
-				"\" isn't packed", (char *) NULL);
+				"\" isn't packed", NULL);
 			return TCL_ERROR;
 		    }
 		    masterPtr = prevPtr->masterPtr;
@@ -1596,7 +1590,7 @@ ConfigureSlaves(interp, tkwin, objc, objv)
 		    slavePtr->flags |= FILLX|FILLY;
 		} else {
 		    Tcl_AppendResult(interp, "bad fill style \"", string,
-			    "\": must be none, x, y, or both", (char *) NULL);
+			    "\": must be none, x, y, or both", NULL);
 		    return TCL_ERROR;
 		}
 		break;
@@ -1623,8 +1617,7 @@ ConfigureSlaves(interp, tkwin, objc, objv)
 		    Tcl_ResetResult(interp);
 		    Tcl_AppendResult(interp, "bad ipadx value \"",
 			    Tcl_GetString(objv[i+1]),
-			    "\": must be positive screen distance",
-			    (char *) NULL);
+			    "\": must be positive screen distance", NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->iPadX = tmp * 2;
@@ -1636,8 +1629,7 @@ ConfigureSlaves(interp, tkwin, objc, objv)
 		    Tcl_ResetResult(interp);
 		    Tcl_AppendResult(interp, "bad ipady value \"",
 			    Tcl_GetString(objv[i+1]),
-			    "\": must be positive screen distance",
-			    (char *) NULL);
+			    "\": must be positive screen distance", NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->iPadY = tmp * 2;
@@ -1715,14 +1707,13 @@ ConfigureSlaves(interp, tkwin, objc, objv)
 	    }
 	    if (Tk_TopWinHierarchy(ancestor)) {
 		Tcl_AppendResult(interp, "can't pack ", Tcl_GetString(objv[j]),
-			" inside ", Tk_PathName(masterPtr->tkwin),
-			(char *) NULL);
+			" inside ", Tk_PathName(masterPtr->tkwin), NULL);
 		return TCL_ERROR;
 	    }
 	}
 	if (slave == masterPtr->tkwin) {
 	    Tcl_AppendResult(interp, "can't pack ", Tcl_GetString(objv[j]),
-		    " inside itself", (char *) NULL);
+		    " inside itself", NULL);
 	    return TCL_ERROR;
 	}
 
diff --git a/generic/tkPanedWindow.c b/generic/tkPanedWindow.c
index 36002b4..ca1c1b6 100644
--- a/generic/tkPanedWindow.c
+++ b/generic/tkPanedWindow.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkPanedWindow.c,v 1.24 2005/11/15 15:18:22 dkf Exp $
+ * RCS: @(#) $Id: tkPanedWindow.c,v 1.25 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -752,7 +752,7 @@ ConfigureSlaves(
     int i, firstOptionArg, j, found, doubleBw, index, numNewSlaves, haveLoc;
     int insertIndex;
     Tk_Window tkwin = NULL, ancestor, parent;
-    Slave *slavePtr, **inserts, **new;
+    Slave *slavePtr, **inserts, **newSlaves;
     Slave options;
     char *arg;
 
@@ -986,16 +986,16 @@ ConfigureSlaves(
      */
 
     i = sizeof(Slave *) * (pwPtr->numSlaves+numNewSlaves);
-    new = (Slave **)ckalloc((unsigned) i);
-    memset(new, 0, (size_t) i);
+    newSlaves = (Slave **)ckalloc((unsigned) i);
+    memset(newSlaves, 0, (size_t) i);
     if (index == -1) {
 	/*
 	 * If none of the existing slaves have to be moved, just copy the old
 	 * and append the new.
 	 */
-	memcpy((void *)&(new[0]), pwPtr->slaves,
+	memcpy((void *)&(newSlaves[0]), pwPtr->slaves,
 		sizeof(Slave *) * pwPtr->numSlaves);
-	memcpy((void *)&(new[pwPtr->numSlaves]), inserts,
+	memcpy((void *)&(newSlaves[pwPtr->numSlaves]), inserts,
 		sizeof(Slave *) * numNewSlaves);
     } else {
 	/*
@@ -1009,17 +1009,17 @@ ConfigureSlaves(
 
 	for (i = 0, j = 0; i < index; i++) {
 	    if (pwPtr->slaves[i] != NULL) {
-		new[j] = pwPtr->slaves[i];
+		newSlaves[j] = pwPtr->slaves[i];
 		j++;
 	    }
 	}
 
-	memcpy((void *)&(new[j]), inserts, sizeof(Slave *) * (insertIndex));
+	memcpy((void *)&(newSlaves[j]), inserts, sizeof(Slave *)*insertIndex);
 	j += firstOptionArg - 2;
 
 	for (i = index; i < pwPtr->numSlaves; i++) {
 	    if (pwPtr->slaves[i] != NULL) {
-		new[j] = pwPtr->slaves[i];
+		newSlaves[j] = pwPtr->slaves[i];
 		j++;
 	    }
 	}
@@ -1031,7 +1031,7 @@ ConfigureSlaves(
 
     ckfree((void *)pwPtr->slaves);
     ckfree((void *)inserts);
-    pwPtr->slaves = new;
+    pwPtr->slaves = newSlaves;
 
     /*
      * Set the paned window's slave count to the new value.
diff --git a/generic/tkPlace.c b/generic/tkPlace.c
index 5024344..f41138a 100644
--- a/generic/tkPlace.c
+++ b/generic/tkPlace.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkPlace.c,v 1.17 2005/11/15 15:18:22 dkf Exp $
+ * RCS: @(#) $Id: tkPlace.c,v 1.18 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -376,11 +376,11 @@ CreateSlave(
 {
     Tcl_HashEntry *hPtr;
     register Slave *slavePtr;
-    int new;
+    int isNew;
     TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
 
-    hPtr = Tcl_CreateHashEntry(&dispPtr->slaveTable, (char *) tkwin, &new);
-    if (new) {
+    hPtr = Tcl_CreateHashEntry(&dispPtr->slaveTable, (char *) tkwin, &isNew);
+    if (isNew) {
 	slavePtr = (Slave *) ckalloc(sizeof(Slave));
 	memset(slavePtr, 0, sizeof(Slave));
 	slavePtr->tkwin = tkwin;
@@ -523,11 +523,11 @@ CreateMaster(
 {
     Tcl_HashEntry *hPtr;
     register Master *masterPtr;
-    int new;
+    int isNew;
     TkDisplay * dispPtr = ((TkWindow *) tkwin)->dispPtr;
 
-    hPtr = Tcl_CreateHashEntry(&dispPtr->masterTable, (char *) tkwin, &new);
-    if (new) {
+    hPtr = Tcl_CreateHashEntry(&dispPtr->masterTable, (char *) tkwin, &isNew);
+    if (isNew) {
 	masterPtr = (Master *) ckalloc(sizeof(Master));
 	masterPtr->tkwin = tkwin;
 	masterPtr->slavePtr = NULL;
diff --git a/generic/tkRectOval.c b/generic/tkRectOval.c
index 7e612f9..07c4ced 100644
--- a/generic/tkRectOval.c
+++ b/generic/tkRectOval.c
@@ -9,7 +9,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkRectOval.c,v 1.13 2005/08/10 22:02:22 dkf Exp $
+ * RCS: @(#) $Id: tkRectOval.c,v 1.14 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include <stdio.h>
@@ -69,73 +69,65 @@ static Tk_CustomOption pixelOption = {
 };
 
 static Tk_ConfigSpec configSpecs[] = {
-    {TK_CONFIG_CUSTOM, "-activedash", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.activeDash),
+    {TK_CONFIG_CUSTOM, "-activedash", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.activeDash),
 	TK_CONFIG_NULL_OK, &dashOption},
-    {TK_CONFIG_COLOR, "-activefill", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, activeFillColor),
+    {TK_CONFIG_COLOR, "-activefill", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, activeFillColor), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_COLOR, "-activeoutline", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.activeColor), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_BITMAP, "-activeoutlinestipple", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.activeStipple),
 	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_COLOR, "-activeoutline", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.activeColor),
-	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_BITMAP, "-activeoutlinestipple", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.activeStipple),
-	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_BITMAP, "-activestipple", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, activeFillStipple),
-	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_CUSTOM, "-activewidth", (char *) NULL, (char *) NULL,
+    {TK_CONFIG_BITMAP, "-activestipple", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, activeFillStipple), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_CUSTOM, "-activewidth", NULL, NULL,
 	"0.0", Tk_Offset(RectOvalItem, outline.activeWidth),
 	TK_CONFIG_DONT_SET_DEFAULT, &pixelOption},
-    {TK_CONFIG_CUSTOM, "-dash", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.dash),
+    {TK_CONFIG_CUSTOM, "-dash", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.dash),
 	TK_CONFIG_NULL_OK, &dashOption},
-    {TK_CONFIG_PIXELS, "-dashoffset", (char *) NULL, (char *) NULL,
+    {TK_CONFIG_PIXELS, "-dashoffset", NULL, NULL,
 	"0", Tk_Offset(RectOvalItem, outline.offset),
 	TK_CONFIG_DONT_SET_DEFAULT},
-    {TK_CONFIG_CUSTOM, "-disableddash", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.disabledDash),
+    {TK_CONFIG_CUSTOM, "-disableddash", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.disabledDash),
 	TK_CONFIG_NULL_OK, &dashOption},
-    {TK_CONFIG_COLOR, "-disabledfill", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, disabledFillColor),
-	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_COLOR, "-disabledoutline", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.disabledColor),
+    {TK_CONFIG_COLOR, "-disabledfill", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, disabledFillColor), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_COLOR, "-disabledoutline", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.disabledColor),
 	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_BITMAP, "-disabledoutlinestipple", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.disabledStipple),
+    {TK_CONFIG_BITMAP, "-disabledoutlinestipple", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.disabledStipple),
 	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_BITMAP, "-disabledstipple", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, disabledFillStipple),
-	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_PIXELS, "-disabledwidth", (char *) NULL, (char *) NULL,
+    {TK_CONFIG_BITMAP, "-disabledstipple", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, disabledFillStipple), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_PIXELS, "-disabledwidth", NULL, NULL,
 	"0.0", Tk_Offset(RectOvalItem, outline.disabledWidth),
 	TK_CONFIG_DONT_SET_DEFAULT, &pixelOption},
-    {TK_CONFIG_COLOR, "-fill", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, fillColor), TK_CONFIG_NULL_OK},
-    {TK_CONFIG_CUSTOM, "-offset", (char *) NULL, (char *) NULL,
+    {TK_CONFIG_COLOR, "-fill", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, fillColor), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_CUSTOM, "-offset", NULL, NULL,
 	"0,0", Tk_Offset(RectOvalItem, tsoffset),
 	TK_CONFIG_DONT_SET_DEFAULT, &offsetOption},
-    {TK_CONFIG_COLOR, "-outline", (char *) NULL, (char *) NULL,
+    {TK_CONFIG_COLOR, "-outline", NULL, NULL,
 	"black", Tk_Offset(RectOvalItem, outline.color), TK_CONFIG_NULL_OK},
-    {TK_CONFIG_CUSTOM, "-outlineoffset", (char *) NULL, (char *) NULL,
+    {TK_CONFIG_CUSTOM, "-outlineoffset", NULL, NULL,
 	"0,0", Tk_Offset(RectOvalItem, outline.tsoffset),
 	TK_CONFIG_DONT_SET_DEFAULT, &offsetOption},
-    {TK_CONFIG_BITMAP, "-outlinestipple", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, outline.stipple),
-	TK_CONFIG_NULL_OK},
-    {TK_CONFIG_CUSTOM, "-state", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(Tk_Item, state),TK_CONFIG_NULL_OK,
-	&stateOption},
-    {TK_CONFIG_BITMAP, "-stipple", (char *) NULL, (char *) NULL,
-	(char *) NULL, Tk_Offset(RectOvalItem, fillStipple),TK_CONFIG_NULL_OK},
-    {TK_CONFIG_CUSTOM, "-tags", (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, TK_CONFIG_NULL_OK, &tagsOption},
-    {TK_CONFIG_CUSTOM, "-width", (char *) NULL, (char *) NULL,
+    {TK_CONFIG_BITMAP, "-outlinestipple", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, outline.stipple), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_CUSTOM, "-state", NULL, NULL,
+	NULL, Tk_Offset(Tk_Item, state),TK_CONFIG_NULL_OK, &stateOption},
+    {TK_CONFIG_BITMAP, "-stipple", NULL, NULL,
+	NULL, Tk_Offset(RectOvalItem, fillStipple),TK_CONFIG_NULL_OK},
+    {TK_CONFIG_CUSTOM, "-tags", NULL, NULL,
+	NULL, 0, TK_CONFIG_NULL_OK, &tagsOption},
+    {TK_CONFIG_CUSTOM, "-width", NULL, NULL,
 	"1.0", Tk_Offset(RectOvalItem, outline.width),
 	TK_CONFIG_DONT_SET_DEFAULT, &pixelOption},
-    {TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
-	(char *) NULL, 0, 0}
+    {TK_CONFIG_END, NULL, NULL, NULL, NULL, 0, 0}
 };
 
 /*
@@ -192,12 +184,12 @@ Tk_ItemType tkRectangleType = {
     RectOvalToPostscript,	/* postscriptProc */
     ScaleRectOval,		/* scaleProc */
     TranslateRectOval,		/* translateProc */
-    (Tk_ItemIndexProc *) NULL,	/* indexProc */
-    (Tk_ItemCursorProc *) NULL,	/* icursorProc */
-    (Tk_ItemSelectionProc *) NULL, /* selectionProc */
-    (Tk_ItemInsertProc *) NULL,	/* insertProc */
-    (Tk_ItemDCharsProc *) NULL,	/* dTextProc */
-    (Tk_ItemType *) NULL,	/* nextPtr */
+    NULL,			/* indexProc */
+    NULL,			/* icursorProc */
+    NULL,			/* selectionProc */
+    NULL,			/* insertProc */
+    NULL,			/* dTextProc */
+    NULL,			/* nextPtr */
 };
 
 Tk_ItemType tkOvalType = {
@@ -215,12 +207,12 @@ Tk_ItemType tkOvalType = {
     RectOvalToPostscript,	/* postscriptProc */
     ScaleRectOval,		/* scaleProc */
     TranslateRectOval,		/* translateProc */
-    (Tk_ItemIndexProc *) NULL,	/* indexProc */
-    (Tk_ItemCursorProc *) NULL,	/* cursorProc */
-    (Tk_ItemSelectionProc *) NULL, /* selectionProc */
-    (Tk_ItemInsertProc *) NULL,	/* insertProc */
-    (Tk_ItemDCharsProc *) NULL,	/* dTextProc */
-    (Tk_ItemType *) NULL,	/* nextPtr */
+    NULL,			/* indexProc */
+    NULL,			/* cursorProc */
+    NULL,			/* selectionProc */
+    NULL,			/* insertProc */
+    NULL,			/* dTextProc */
+    NULL,			/* nextPtr */
 };
 
 /*
@@ -244,13 +236,13 @@ Tk_ItemType tkOvalType = {
  */
 
 static int
-CreateRectOval(interp, canvas, itemPtr, objc, objv)
-    Tcl_Interp *interp;		/* For error reporting. */
-    Tk_Canvas canvas;		/* Canvas to hold new item. */
-    Tk_Item *itemPtr;		/* Record to hold new item; header has been
+CreateRectOval(
+    Tcl_Interp *interp,		/* For error reporting. */
+    Tk_Canvas canvas,		/* Canvas to hold new item. */
+    Tk_Item *itemPtr,		/* Record to hold new item; header has been
 				 * initialized by caller. */
-    int objc;			/* Number of arguments in objv. */
-    Tcl_Obj *CONST objv[];	/* Arguments describing rectangle. */
+    int objc,			/* Number of arguments in objv. */
+    Tcl_Obj *CONST objv[])	/* Arguments describing rectangle. */
 {
     RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
     int i;
@@ -282,6 +274,7 @@ CreateRectOval(interp, canvas, itemPtr, objc, objv)
 
     for (i = 1; i < objc; i++) {
 	char *arg = Tcl_GetString(objv[i]);
+
 	if ((arg[0] == '-') && (arg[1] >= 'a') && (arg[1] <= 'z')) {
 	    break;
 	}
@@ -318,13 +311,13 @@ CreateRectOval(interp, canvas, itemPtr, objc, objv)
  */
 
 static int
-RectOvalCoords(interp, canvas, itemPtr, objc, objv)
-    Tcl_Interp *interp;		/* Used for error reporting. */
-    Tk_Canvas canvas;		/* Canvas containing item. */
-    Tk_Item *itemPtr;		/* Item whose coordinates are to be read or
+RectOvalCoords(
+    Tcl_Interp *interp,		/* Used for error reporting. */
+    Tk_Canvas canvas,		/* Canvas containing item. */
+    Tk_Item *itemPtr,		/* Item whose coordinates are to be read or
 				 * modified. */
-    int objc;			/* Number of coordinates supplied in objv. */
-    Tcl_Obj *CONST objv[];	/* Array of coordinates: x1,y1,x2,y2,... */
+    int objc,			/* Number of coordinates supplied in objv. */
+    Tcl_Obj *CONST objv[])	/* Array of coordinates: x1,y1,x2,y2,... */
 {
     RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
 
@@ -408,13 +401,13 @@ RectOvalCoords(interp, canvas, itemPtr, objc, objv)
  */
 
 static int
-ConfigureRectOval(interp, canvas, itemPtr, objc, objv, flags)
-    Tcl_Interp *interp;		/* Used for error reporting. */
-    Tk_Canvas canvas;		/* Canvas containing itemPtr. */
-    Tk_Item *itemPtr;		/* Rectangle item to reconfigure. */
-    int objc;			/* Number of elements in objv. */
-    Tcl_Obj *CONST objv[];	/* Arguments describing things to configure. */
-    int flags;			/* Flags to pass to Tk_ConfigureWidget. */
+ConfigureRectOval(
+    Tcl_Interp *interp,		/* Used for error reporting. */
+    Tk_Canvas canvas,		/* Canvas containing itemPtr. */
+    Tk_Item *itemPtr,		/* Rectangle item to reconfigure. */
+    int objc,			/* Number of elements in objv. */
+    Tcl_Obj *CONST objv[],	/* Arguments describing things to configure. */
+    int flags)			/* Flags to pass to Tk_ConfigureWidget. */
 {
     RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
     XGCValues gcValues;
@@ -577,10 +570,10 @@ ConfigureRectOval(interp, canvas, itemPtr, objc, objv, flags)
  */
 
 static void
-DeleteRectOval(canvas, itemPtr, display)
-    Tk_Canvas canvas;		/* Info about overall widget. */
-    Tk_Item *itemPtr;		/* Item that is being deleted. */
-    Display *display;		/* Display containing window for canvas. */
+DeleteRectOval(
+    Tk_Canvas canvas,		/* Info about overall widget. */
+    Tk_Item *itemPtr,		/* Item that is being deleted. */
+    Display *display)		/* Display containing window for canvas. */
 {
     RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
 
@@ -627,9 +620,9 @@ DeleteRectOval(canvas, itemPtr, display)
 
 	/* ARGSUSED */
 static void
-ComputeRectOvalBbox(canvas, rectOvalPtr)
-    Tk_Canvas canvas;		/* Canvas that contains item. */
-    RectOvalItem *rectOvalPtr;	/* Item whose bbox is to be recomputed. */
+ComputeRectOvalBbox(
+    Tk_Canvas canvas,		/* Canvas that contains item. */
+    RectOvalItem *rectOvalPtr)	/* Item whose bbox is to be recomputed. */
 {
     int bloat, tmp;
     double dtmp, width;
@@ -743,12 +736,13 @@ ComputeRectOvalBbox(canvas, rectOvalPtr)
  */
 
 static void
-DisplayRectOval(canvas, itemPtr, display, drawable, x, y, width, height)
-    Tk_Canvas canvas;		/* Canvas that contains item. */
-    Tk_Item *itemPtr;		/* Item to be displayed. */
-    Display *display;		/* Display on which to draw item. */
-    Drawable drawable;		/* Pixmap or window in which to draw item. */
-    int x, y, width, height;	/* Describes region of canvas that must be
+DisplayRectOval(
+    Tk_Canvas canvas,		/* Canvas that contains item. */
+    Tk_Item *itemPtr,		/* Item to be displayed. */
+    Display *display,		/* Display on which to draw item. */
+    Drawable drawable,		/* Pixmap or window in which to draw item. */
+    int x, int y, int width, int height)
+				/* Describes region of canvas that must be
 				 * redisplayed (not used). */
 {
     RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
@@ -874,10 +868,10 @@ DisplayRectOval(canvas, itemPtr, display, drawable, x, y, width, height)
 
 	/* ARGSUSED */
 static double
-RectToPoint(canvas, itemPtr, pointPtr)
-    Tk_Canvas canvas;		/* Canvas containing item. */
-    Tk_Item *itemPtr;		/* Item to check against point. */
-    double *pointPtr;		/* Pointer to x and y coordinates. */
+RectToPoint(
+    Tk_Canvas canvas,		/* Canvas containing item. */
+    Tk_Item *itemPtr,		/* Item to check against point. */
+    double *pointPtr)		/* Pointer to x and y coordinates. */
 {
     RectOvalItem *rectPtr = (RectOvalItem *) itemPtr;
     double xDiff, yDiff, x1, y1, x2, y2, inc, tmp;
@@ -994,10 +988,10 @@ RectToPoint(canvas, itemPtr, pointPtr)
 
 	/* ARGSUSED */
 static double
-OvalToPoint(canvas, itemPtr, pointPtr)
-    Tk_Canvas canvas;		/* Canvas containing item. */
-    Tk_Item *itemPtr;		/* Item to check against point. */
-    double *pointPtr;		/* Pointer to x and y coordinates. */
+OvalToPoint(
+    Tk_Canvas canvas,		/* Canvas containing item. */
+    Tk_Item *itemPtr,		/* Item to check against point. */
+    double *pointPtr)		/* Pointer to x and y coordinates. */
 {
     RectOvalItem *ovalPtr = (RectOvalItem *) itemPtr;
     double width;
@@ -1049,10 +1043,10 @@ OvalToPoint(canvas, itemPtr, pointPtr)
 
 	/* ARGSUSED */
 static int
-RectToArea(canvas, itemPtr, areaPtr)
-    Tk_Canvas canvas;		/* Canvas containing item. */
-    Tk_Item *itemPtr;		/* Item to check against rectangle. */
-    double *areaPtr;		/* Pointer to array of four coordinates (x1,
+RectToArea(
+    Tk_Canvas canvas,		/* Canvas containing item. */
+    Tk_Item *itemPtr,		/* Item to check against rectangle. */
+    double *areaPtr)		/* Pointer to array of four coordinates (x1,
 				 * y1, x2, y2) describing rectangular area. */
 {
     RectOvalItem *rectPtr = (RectOvalItem *) itemPtr;
@@ -1123,10 +1117,10 @@ RectToArea(canvas, itemPtr, areaPtr)
 
 	/* ARGSUSED */
 static int
-OvalToArea(canvas, itemPtr, areaPtr)
-    Tk_Canvas canvas;		/* Canvas containing item. */
-    Tk_Item *itemPtr;		/* Item to check against oval. */
-    double *areaPtr;		/* Pointer to array of four coordinates (x1,
+OvalToArea(
+    Tk_Canvas canvas,		/* Canvas containing item. */
+    Tk_Item *itemPtr,		/* Item to check against oval. */
+    double *areaPtr)		/* Pointer to array of four coordinates (x1,
 				 * y1, x2, y2) describing rectangular area. */
 {
     RectOvalItem *ovalPtr = (RectOvalItem *) itemPtr;
@@ -1219,12 +1213,13 @@ OvalToArea(canvas, itemPtr, areaPtr)
  */
 
 static void
-ScaleRectOval(canvas, itemPtr, originX, originY, scaleX, scaleY)
-    Tk_Canvas canvas;		/* Canvas containing rectangle. */
-    Tk_Item *itemPtr;		/* Rectangle to be scaled. */
-    double originX, originY;	/* Origin about which to scale rect. */
-    double scaleX;		/* Amount to scale in X direction. */
-    double scaleY;		/* Amount to scale in Y direction. */
+ScaleRectOval(
+    Tk_Canvas canvas,		/* Canvas containing rectangle. */
+    Tk_Item *itemPtr,		/* Rectangle to be scaled. */
+    double originX, double originY,
+				/* Origin about which to scale rect. */
+    double scaleX,		/* Amount to scale in X direction. */
+    double scaleY)		/* Amount to scale in Y direction. */
 {
     RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
 
@@ -1254,10 +1249,11 @@ ScaleRectOval(canvas, itemPtr, originX, originY, scaleX, scaleY)
  */
 
 static void
-TranslateRectOval(canvas, itemPtr, deltaX, deltaY)
-    Tk_Canvas canvas;		/* Canvas containing item. */
-    Tk_Item *itemPtr;		/* Item that is being moved. */
-    double deltaX, deltaY;	/* Amount by which item is to be moved. */
+TranslateRectOval(
+    Tk_Canvas canvas,		/* Canvas containing item. */
+    Tk_Item *itemPtr,		/* Item that is being moved. */
+    double deltaX, double deltaY)
+				/* Amount by which item is to be moved. */
 {
     RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
 
@@ -1289,11 +1285,11 @@ TranslateRectOval(canvas, itemPtr, deltaX, deltaY)
  */
 
 static int
-RectOvalToPostscript(interp, canvas, itemPtr, prepass)
-    Tcl_Interp *interp;		/* Interpreter for error reporting. */
-    Tk_Canvas canvas;		/* Information about overall canvas. */
-    Tk_Item *itemPtr;		/* Item for which Postscript is wanted. */
-    int prepass;		/* 1 means this is a prepass to collect font
+RectOvalToPostscript(
+    Tcl_Interp *interp,		/* Interpreter for error reporting. */
+    Tk_Canvas canvas,		/* Information about overall canvas. */
+    Tk_Item *itemPtr,		/* Item for which Postscript is wanted. */
+    int prepass)		/* 1 means this is a prepass to collect font
 				 * information; 0 means final Postscript is
 				 * being created. */
 {
@@ -1357,20 +1353,20 @@ RectOvalToPostscript(interp, canvas, itemPtr, prepass)
      */
 
     if (fillColor != NULL) {
-	Tcl_AppendResult(interp, pathCmd, (char *) NULL);
+	Tcl_AppendResult(interp, pathCmd, NULL);
 	if (Tk_CanvasPsColor(interp, canvas, fillColor) != TCL_OK) {
 	    return TCL_ERROR;
 	}
 	if (fillStipple != None) {
-	    Tcl_AppendResult(interp, "clip ", (char *) NULL);
+	    Tcl_AppendResult(interp, "clip ", NULL);
 	    if (Tk_CanvasPsStipple(interp, canvas, fillStipple) != TCL_OK) {
 		return TCL_ERROR;
 	    }
 	    if (color != NULL) {
-		Tcl_AppendResult(interp, "grestore gsave\n", (char *) NULL);
+		Tcl_AppendResult(interp, "grestore gsave\n", NULL);
 	    }
 	} else {
-	    Tcl_AppendResult(interp, "fill\n", (char *) NULL);
+	    Tcl_AppendResult(interp, "fill\n", NULL);
 	}
     }
 
@@ -1380,7 +1376,7 @@ RectOvalToPostscript(interp, canvas, itemPtr, prepass)
 
     if (color != NULL) {
 	Tcl_AppendResult(interp, pathCmd, "0 setlinejoin 2 setlinecap\n",
-		(char *) NULL);
+		NULL);
 	if (Tk_CanvasPsOutline(canvas, itemPtr,
 		&(rectOvalPtr->outline))!= TCL_OK) {
 	    return TCL_ERROR;
diff --git a/generic/tkScale.c b/generic/tkScale.c
index 12973b2..2b688b5 100644
--- a/generic/tkScale.c
+++ b/generic/tkScale.c
@@ -16,7 +16,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkScale.c,v 1.20 2005/10/17 21:41:54 dkf Exp $
+ * RCS: @(#) $Id: tkScale.c,v 1.21 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -1125,24 +1125,24 @@ TkRoundToResolution(
     TkScale *scalePtr,		/* Information about scale widget. */
     double value)		/* Value to round. */
 {
-    double rem, new, tick;
+    double rem, rounded, tick;
 
     if (scalePtr->resolution <= 0) {
 	return value;
     }
     tick = floor(value/scalePtr->resolution);
-    new = scalePtr->resolution * tick;
-    rem = value - new;
+    rounded = scalePtr->resolution * tick;
+    rem = value - rounded;
     if (rem < 0) {
 	if (rem <= -scalePtr->resolution/2) {
-	    new = (tick - 1.0) * scalePtr->resolution;
+	    rounded = (tick - 1.0) * scalePtr->resolution;
 	}
     } else {
 	if (rem >= scalePtr->resolution/2) {
-	    new = (tick + 1.0) * scalePtr->resolution;
+	    rounded = (tick + 1.0) * scalePtr->resolution;
 	}
     }
-    return new;
+    return rounded;
 }
 
 /*
diff --git a/generic/tkScrollbar.c b/generic/tkScrollbar.c
index 5ed8ecb..c73aca7 100644
--- a/generic/tkScrollbar.c
+++ b/generic/tkScrollbar.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkScrollbar.c,v 1.7 2005/11/13 00:45:47 dkf Exp $
+ * RCS: @(#) $Id: tkScrollbar.c,v 1.8 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -130,7 +130,7 @@ Tk_ScrollbarCmd(
 {
     Tk_Window tkwin = (Tk_Window) clientData;
     register TkScrollbar *scrollPtr;
-    Tk_Window new;
+    Tk_Window newWin;
 
     if (argc < 2) {
 	Tcl_AppendResult(interp, "wrong # args: should be \"",
@@ -138,15 +138,15 @@ Tk_ScrollbarCmd(
 	return TCL_ERROR;
     }
 
-    new = Tk_CreateWindowFromPath(interp, tkwin, argv[1], NULL);
-    if (new == NULL) {
+    newWin = Tk_CreateWindowFromPath(interp, tkwin, argv[1], NULL);
+    if (newWin == NULL) {
 	return TCL_ERROR;
     }
 
-    Tk_SetClass(new, "Scrollbar");
-    scrollPtr = TkpCreateScrollbar(new);
+    Tk_SetClass(newWin, "Scrollbar");
+    scrollPtr = TkpCreateScrollbar(newWin);
 
-    Tk_SetClassProcs(new, &tkpScrollbarProcs, (ClientData) scrollPtr);
+    Tk_SetClassProcs(newWin, &tkpScrollbarProcs, (ClientData) scrollPtr);
 
     /*
      * Initialize fields that won't be initialized by ConfigureScrollbar, or
@@ -154,8 +154,8 @@ Tk_ScrollbarCmd(
      * resource pointers).
      */
 
-    scrollPtr->tkwin = new;
-    scrollPtr->display = Tk_Display(new);
+    scrollPtr->tkwin = newWin;
+    scrollPtr->display = Tk_Display(newWin);
     scrollPtr->interp = interp;
     scrollPtr->widgetCmd = Tcl_CreateCommand(interp,
 	    Tk_PathName(scrollPtr->tkwin), ScrollbarWidgetCmd,
diff --git a/generic/tkTest.c b/generic/tkTest.c
index 846d87e..7b24555 100644
--- a/generic/tkTest.c
+++ b/generic/tkTest.c
@@ -13,7 +13,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkTest.c,v 1.25 2005/05/24 02:32:42 das Exp $
+ * RCS: @(#) $Id: tkTest.c,v 1.26 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkInt.h"
@@ -2462,7 +2462,7 @@ CustomOptionSet(clientData,interp, tkwin, value, recordPtr, internalOffset,
     int flags;
 {
     int objEmpty, length;
-    char *new, *string, *internalPtr;
+    char *newStr, *string, *internalPtr;
     
     objEmpty = 0;
 
@@ -2500,13 +2500,13 @@ CustomOptionSet(clientData,interp, tkwin, value, recordPtr, internalOffset,
     if (internalPtr != NULL) {
 	if ((*value) != NULL) {
 	    string = Tcl_GetStringFromObj((*value), &length);
-	    new = ckalloc((size_t) (length + 1));
-	    strcpy(new, string);
+	    newStr = ckalloc((size_t) (length + 1));
+	    strcpy(newStr, string);
 	} else {
-	    new = NULL;
+	    newStr = NULL;
 	}
 	*((char **) saveInternalPtr) = *((char **) internalPtr);
-	*((char **) internalPtr) = new;
+	*((char **) internalPtr) = newStr;
     }
 
     return TCL_OK;
diff --git a/generic/tkText.c b/generic/tkText.c
index 1a6477f..59071cd 100644
--- a/generic/tkText.c
+++ b/generic/tkText.c
@@ -13,7 +13,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkText.c,v 1.61 2005/10/31 23:21:08 vincentdarley Exp $
+ * RCS: @(#) $Id: tkText.c,v 1.62 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "default.h"
@@ -489,15 +489,15 @@ CreateWidget(sharedPtr, tkwin, interp, parent, objc, objv)
     register TkText *textPtr;
     Tk_OptionTable optionTable;
     TkTextIndex startIndex;
-    Tk_Window new;
+    Tk_Window newWin;
 
     /*
      * Create the window.
      */
 
-    new = Tk_CreateWindowFromPath(interp, tkwin, Tcl_GetString(objv[1]),
+    newWin = Tk_CreateWindowFromPath(interp, tkwin, Tcl_GetString(objv[1]),
 	    (char *) NULL);
-    if (new == NULL) {
+    if (newWin == NULL) {
 	return TCL_ERROR;
     }
 
@@ -510,8 +510,8 @@ CreateWidget(sharedPtr, tkwin, interp, parent, objc, objv)
     textPtr = (TkText *) ckalloc(sizeof(TkText));
     memset((VOID *) textPtr, 0, sizeof(TkText));
 
-    textPtr->tkwin = new;
-    textPtr->display = Tk_Display(new);
+    textPtr->tkwin = newWin;
+    textPtr->display = Tk_Display(newWin);
     textPtr->interp = interp;
     textPtr->widgetCmd = Tcl_CreateObjCommand(interp,
 	    Tk_PathName(textPtr->tkwin), TextWidgetObjCmd,
@@ -581,8 +581,8 @@ CreateWidget(sharedPtr, tkwin, interp, parent, objc, objv)
     textPtr->charWidth = 1;
     textPtr->charHeight = 10;
     textPtr->wrapMode = TEXT_WRAPMODE_CHAR;
-    textPtr->prevWidth = Tk_Width(new);
-    textPtr->prevHeight = Tk_Height(new);
+    textPtr->prevWidth = Tk_Width(newWin);
+    textPtr->prevHeight = Tk_Height(newWin);
 
     /*
      * This will add refCounts to textPtr.
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c
index dfa7dd3..df0230f 100644
--- a/generic/tkTextDisp.c
+++ b/generic/tkTextDisp.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkTextDisp.c,v 1.53 2005/10/10 10:36:35 vincentdarley Exp $
+ * RCS: @(#) $Id: tkTextDisp.c,v 1.54 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -100,7 +100,7 @@ typedef struct StyleValues {
     int spacing3;		/* Spacing below last dline in text line. */
     TkTextTabArray *tabArrayPtr;/* Locations and types of tab stops (may be
 				 * NULL). */
-    int tabStyle;               /* One of TABULAR or WORDPROCESSOR. */
+    int tabStyle;		/* One of TABULAR or WORDPROCESSOR. */
     int underline;		/* Non-zero means draw underline underneath
 				 * text. */
     int elide;			/* Zero means draw text, otherwise not */
@@ -149,6 +149,14 @@ typedef struct TextStyle {
     (fabs((double1)-(double2))*((scaleFactor)+1.0) < 0.3)
 
 /*
+ * Macro to make debugging/testing logging a little easier.
+ */
+
+#define LOG(toVar,what) \
+    Tcl_SetVar2(textPtr->interp, toVar, NULL, (what), \
+	    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT)
+
+/*
  * The following structure describes one line of the display, which may be
  * either part or all of one line of the text.
  */
@@ -192,7 +200,7 @@ typedef struct DLine {
 				 * line, and (b) can have gaps where DLine's
 				 * have been deleted because they're out of
 				 * date. */
-    int flags;			/* Various flag bits:  see below for values. */
+    int flags;			/* Various flag bits: see below for values. */
 } DLine;
 
 /*
@@ -416,22 +424,21 @@ static int lineHeightsRecalculated;
  * Forward declarations for functions defined later in this file:
  */
 
-static void		AdjustForTab _ANSI_ARGS_((TkText *textPtr,
+static void		AdjustForTab(TkText *textPtr,
 			    TkTextTabArray *tabArrayPtr, int index,
-			    TkTextDispChunk *chunkPtr));
-static void		CharBboxProc _ANSI_ARGS_((TkText *textPtr,
+			    TkTextDispChunk *chunkPtr);
+static void		CharBboxProc(TkText *textPtr,
 			    TkTextDispChunk *chunkPtr,
 			    int index, int y, int lineHeight, int baseline,
 			    int *xPtr, int *yPtr, int *widthPtr,
-			    int *heightPtr));
-static void		CharDisplayProc _ANSI_ARGS_((TkText *textPtr,
+			    int *heightPtr);
+static void		CharDisplayProc(TkText *textPtr,
 			    TkTextDispChunk *chunkPtr,
 			    int x, int y, int height, int baseline,
-			    Display *display, Drawable dst, int screenY));
-static int		CharMeasureProc _ANSI_ARGS_((TkTextDispChunk *chunkPtr,
-			    int x));
-static void		CharUndisplayProc _ANSI_ARGS_((TkText *textPtr,
-			    TkTextDispChunk *chunkPtr));
+			    Display *display, Drawable dst, int screenY);
+static int		CharMeasureProc(TkTextDispChunk *chunkPtr, int x);
+static void		CharUndisplayProc(TkText *textPtr,
+			    TkTextDispChunk *chunkPtr);
 
 /*
  * Definitions of elided procs. Compiler can't inline these since we use
@@ -440,76 +447,63 @@ static void		CharUndisplayProc _ANSI_ARGS_((TkText *textPtr,
  * tag toggle-filled elided region.
  */
 
-static void		ElideBboxProc _ANSI_ARGS_((TkText *textPtr,
+static void		ElideBboxProc(TkText *textPtr,
 			    TkTextDispChunk *chunkPtr,
 			    int index, int y, int lineHeight, int baseline,
 			    int *xPtr, int *yPtr, int *widthPtr,
-			    int *heightPtr));
-static int		ElideMeasureProc _ANSI_ARGS_((
-			    TkTextDispChunk *chunkPtr, int x));
-
-static void		DisplayDLine _ANSI_ARGS_((TkText *textPtr,
-			    DLine *dlPtr, DLine *prevPtr, Pixmap pixmap));
-static void		DisplayLineBackground _ANSI_ARGS_((TkText *textPtr,
-			    DLine *dlPtr, DLine *prevPtr, Pixmap pixmap));
-static void		DisplayText _ANSI_ARGS_((ClientData clientData));
-static DLine *		FindDLine _ANSI_ARGS_((DLine *dlPtr,
-			    CONST TkTextIndex *indexPtr));
-static void		FreeDLines _ANSI_ARGS_((TkText *textPtr,
-			    DLine *firstPtr, DLine *lastPtr, int action));
-static void		FreeStyle _ANSI_ARGS_((TkText *textPtr,
-			    TextStyle *stylePtr));
-static TextStyle *	GetStyle _ANSI_ARGS_((TkText *textPtr,
-			    CONST TkTextIndex *indexPtr));
-static void		GetXView _ANSI_ARGS_((Tcl_Interp *interp,
-			    TkText *textPtr, int report));
-static void		GetYView _ANSI_ARGS_((Tcl_Interp *interp,
-			    TkText *textPtr, int report));
-static int		GetYPixelCount _ANSI_ARGS_((TkText *textPtr,
-			    DLine *dlPtr));
-static DLine *		LayoutDLine _ANSI_ARGS_((TkText *textPtr,
-			    CONST TkTextIndex *indexPtr));
-static int		MeasureChars _ANSI_ARGS_((Tk_Font tkfont,
-			    CONST char *source, int maxBytes, int startX,
-			    int maxX, int *nextXPtr));
-static void		MeasureUp _ANSI_ARGS_((TkText *textPtr,
+			    int *heightPtr);
+static int		ElideMeasureProc(TkTextDispChunk *chunkPtr, int x);
+static void		DisplayDLine(TkText *textPtr,
+			    DLine *dlPtr, DLine *prevPtr, Pixmap pixmap);
+static void		DisplayLineBackground(TkText *textPtr,
+			    DLine *dlPtr, DLine *prevPtr, Pixmap pixmap);
+static void		DisplayText(ClientData clientData);
+static DLine *		FindDLine(DLine *dlPtr, CONST TkTextIndex *indexPtr);
+static void		FreeDLines(TkText *textPtr, DLine *firstPtr,
+			    DLine *lastPtr, int action);
+static void		FreeStyle(TkText *textPtr, TextStyle *stylePtr);
+static TextStyle *	GetStyle(TkText *textPtr, CONST TkTextIndex *indexPtr);
+static void		GetXView(Tcl_Interp *interp,
+			    TkText *textPtr, int report);
+static void		GetYView(Tcl_Interp *interp,
+			    TkText *textPtr, int report);
+static int		GetYPixelCount(TkText *textPtr, DLine *dlPtr);
+static DLine *		LayoutDLine(TkText *textPtr,
+			    CONST TkTextIndex *indexPtr);
+static int		MeasureChars(Tk_Font tkfont, CONST char *source,
+			    int maxBytes, int startX, int maxX, int *nextXPtr);
+static void		MeasureUp(TkText *textPtr,
 			    CONST TkTextIndex *srcPtr, int distance,
-			    TkTextIndex *dstPtr, int *overlap));
-static int		NextTabStop _ANSI_ARGS_((Tk_Font tkfont, int x,
-			    int tabOrigin));
-static void		UpdateDisplayInfo _ANSI_ARGS_((TkText *textPtr));
-static void		YScrollByLines _ANSI_ARGS_((TkText *textPtr,
-			    int offset));
-static void		YScrollByPixels _ANSI_ARGS_((TkText *textPtr,
-			    int offset));
-static int		SizeOfTab _ANSI_ARGS_((TkText *textPtr,
-			    int tabStyle, TkTextTabArray *tabArrayPtr, 
-			    int *indexPtr, int x, int maxX));
-static void		TextChanged _ANSI_ARGS_((TkText *textPtr,
+			    TkTextIndex *dstPtr, int *overlap);
+static int		NextTabStop(Tk_Font tkfont, int x, int tabOrigin);
+static void		UpdateDisplayInfo(TkText *textPtr);
+static void		YScrollByLines(TkText *textPtr, int offset);
+static void		YScrollByPixels(TkText *textPtr, int offset);
+static int		SizeOfTab(TkText *textPtr, int tabStyle,
+			    TkTextTabArray *tabArrayPtr, int *indexPtr, int x,
+			    int maxX);
+static void		TextChanged(TkText *textPtr,
 			    CONST TkTextIndex *index1Ptr,
-			    CONST TkTextIndex *index2Ptr));
-static void		TextInvalidateRegion _ANSI_ARGS_((TkText *textPtr,
-			    TkRegion region));
-static void		TextRedrawTag _ANSI_ARGS_((TkText *textPtr,
+			    CONST TkTextIndex *index2Ptr);
+static void		TextInvalidateRegion(TkText *textPtr, TkRegion region);
+static void		TextRedrawTag(TkText *textPtr,
 			    TkTextIndex *index1Ptr, TkTextIndex *index2Ptr,
-			    TkTextTag *tagPtr, int withTag));
-static void		TextInvalidateLineMetrics _ANSI_ARGS_((TkText *textPtr,
-			    TkTextLine *linePtr, int lineCount, int action));
-static int		CalculateDisplayLineHeight _ANSI_ARGS_((
-			    TkText *textPtr, CONST TkTextIndex *indexPtr,
-			    int *byteCountPtr, int *mergedLinePtr));
-static void		DlineIndexOfX _ANSI_ARGS_((TkText *textPtr,
-			    DLine *dlPtr, int x, TkTextIndex *indexPtr));
-static int		DlineXOfIndex _ANSI_ARGS_((TkText *textPtr,
-			    DLine *dlPtr, int byteIndex));
-static int		TextGetScrollInfoObj _ANSI_ARGS_((Tcl_Interp *interp,
+			    TkTextTag *tagPtr, int withTag);
+static void		TextInvalidateLineMetrics(TkText *textPtr,
+			    TkTextLine *linePtr, int lineCount, int action);
+static int		CalculateDisplayLineHeight(TkText *textPtr,
+			    CONST TkTextIndex *indexPtr, int *byteCountPtr,
+			    int *mergedLinePtr);
+static void		DlineIndexOfX(TkText *textPtr,
+			    DLine *dlPtr, int x, TkTextIndex *indexPtr);
+static int		DlineXOfIndex(TkText *textPtr,
+			    DLine *dlPtr, int byteIndex);
+static int		TextGetScrollInfoObj(Tcl_Interp *interp,
 			    TkText *textPtr, int objc,
 			    Tcl_Obj *CONST objv[], double *dblPtr,
-			    int *intPtr));
-static void		AsyncUpdateLineMetrics _ANSI_ARGS_((ClientData
-			    clientData));
-static void		AsyncUpdateYScrollbar _ANSI_ARGS_((ClientData
-			    clientData));
+			    int *intPtr);
+static void		AsyncUpdateLineMetrics(ClientData clientData);
+static void		AsyncUpdateYScrollbar(ClientData clientData);
 
 /*
  * Result values returned by TextGetScrollInfoObj:
@@ -520,7 +514,6 @@ static void		AsyncUpdateYScrollbar _ANSI_ARGS_((ClientData
 #define TKTEXT_SCROLL_UNITS	3
 #define TKTEXT_SCROLL_ERROR	4
 #define TKTEXT_SCROLL_PIXELS	5
-
 
 /*
  *----------------------------------------------------------------------
@@ -541,8 +534,8 @@ static void		AsyncUpdateYScrollbar _ANSI_ARGS_((ClientData
  */
 
 void
-TkTextCreateDInfo(textPtr)
-    TkText *textPtr;		/* Overall information for text widget. */
+TkTextCreateDInfo(
+    TkText *textPtr)		/* Overall information for text widget. */
 {
     register TextDInfo *dInfoPtr;
     XGCValues gcValues;
@@ -609,8 +602,8 @@ TkTextCreateDInfo(textPtr)
  */
 
 void
-TkTextFreeDInfo(textPtr)
-    TkText *textPtr;		/* Overall information for text widget. */
+TkTextFreeDInfo(
+    TkText *textPtr)		/* Overall information for text widget. */
 {
     register TextDInfo *dInfoPtr = textPtr->dInfoPtr;
 
@@ -621,7 +614,7 @@ TkTextFreeDInfo(textPtr)
      * will be empty.
      */
 
-    FreeDLines(textPtr, dInfoPtr->dLinePtr, (DLine *) NULL, DLINE_UNLINK);
+    FreeDLines(textPtr, dInfoPtr->dLinePtr, NULL, DLINE_UNLINK);
     Tcl_DeleteHashTable(&dInfoPtr->styleTable);
     if (dInfoPtr->copyGC != None) {
 	Tk_FreeGC(textPtr->display, dInfoPtr->copyGC);
@@ -662,9 +655,9 @@ TkTextFreeDInfo(textPtr)
  */
 
 static TextStyle *
-GetStyle(textPtr, indexPtr)
-    TkText *textPtr;		/* Overall information about text widget. */
-    CONST TkTextIndex *indexPtr;/* The character in the text for which display
+GetStyle(
+    TkText *textPtr,		/* Overall information about text widget. */
+    CONST TkTextIndex *indexPtr)/* The character in the text for which display
 				 * information is wanted. */
 {
     TkTextTag **tagPtrs;
@@ -672,7 +665,7 @@ GetStyle(textPtr, indexPtr)
     StyleValues styleValues;
     TextStyle *stylePtr;
     Tcl_HashEntry *hPtr;
-    int numTags, new, i;
+    int numTags, isNew, i;
     XGCValues gcValues;
     unsigned long mask;
 
@@ -849,8 +842,8 @@ GetStyle(textPtr, indexPtr)
      */
 
     hPtr = Tcl_CreateHashEntry(&textPtr->dInfoPtr->styleTable,
-	    (char *) &styleValues, &new);
-    if (!new) {
+	    (char *) &styleValues, &isNew);
+    if (!isNew) {
 	stylePtr = (TextStyle *) Tcl_GetHashValue(hPtr);
 	stylePtr->refCount++;
 	return stylePtr;
@@ -911,10 +904,10 @@ GetStyle(textPtr, indexPtr)
  */
 
 static void
-FreeStyle(textPtr, stylePtr)
-    TkText *textPtr;			/* Information about overall widget. */
-    register TextStyle *stylePtr;	/* Information about style to free. */
-
+FreeStyle(
+    TkText *textPtr,		/* Information about overall widget. */
+    register TextStyle *stylePtr)
+				/* Information about style to free. */
 {
     stylePtr->refCount--;
     if (stylePtr->refCount == 0) {
@@ -946,7 +939,7 @@ FreeStyle(textPtr, stylePtr)
  *	Storage is allocated for the new DLine.
  *
  *	See the comments in 'GetYView' for some thoughts on what the side-
- *	effects of this call (or its callers) should be - the synchronisation
+ *	effects of this call (or its callers) should be; the synchronisation
  *	of TkTextLine->pixelHeight with the sum of the results of this
  *	function operating on all display lines within each logical line.
  *	Ideally the code should be refactored to ensure the cached pixel
@@ -964,64 +957,61 @@ FreeStyle(textPtr, stylePtr)
  */
 
 static DLine *
-LayoutDLine(textPtr, indexPtr)
-    TkText *textPtr;		/* Overall information about text widget. */
-    CONST TkTextIndex *indexPtr;/* Beginning of display line. May not
+LayoutDLine(
+    TkText *textPtr,		/* Overall information about text widget. */
+    CONST TkTextIndex *indexPtr)/* Beginning of display line. May not
 				 * necessarily point to a character
 				 * segment. */
 {
-    register DLine *dlPtr;		/* New display line. */
-    TkTextSegment *segPtr;		/* Current segment in text. */
-    TkTextDispChunk *lastChunkPtr;	/* Last chunk allocated so far for
-					 * line. */
-    TkTextDispChunk *chunkPtr;		/* Current chunk. */
+    register DLine *dlPtr;	/* New display line. */
+    TkTextSegment *segPtr;	/* Current segment in text. */
+    TkTextDispChunk *lastChunkPtr;
+				/* Last chunk allocated so far for line. */
+    TkTextDispChunk *chunkPtr;	/* Current chunk. */
     TkTextIndex curIndex;
-    TkTextDispChunk *breakChunkPtr;	/* Chunk containing best word break
-					 * point, if any. */
-    TkTextIndex breakIndex;		/* Index of first character in
-					 * breakChunkPtr. */
-    int breakByteOffset;		/* Byte offset of character within
-					 * breakChunkPtr just to right of best
-					 * break point. */
-    int noCharsYet;			/* Non-zero means that no characters
-					 * have been placed on the line
-					 * yet. */
-    int paragraphStart;                 /* Non-zero means that we are 
-                                         * on the first line of a 
-                                         * paragraph  (Used to choose 
-                                         * between lmargin1, lmargin2). */
-    int justify;			/* How to justify line: taken from
-					 * style for the first character in
-					 * line. */
-    int jIndent;			/* Additional indentation (beyond
-					 * margins) due to justification. */
-    int rMargin;			/* Right margin width for line. */
-    TkWrapMode wrapMode;		/* Wrap mode to use for this line. */
-    int x = 0, maxX = 0;		/* Initializations needed only to stop
-					 * compiler warnings. */
-    int wholeLine;			/* Non-zero means this display line
-					 * runs to the end of the text
-					 * line. */
-    int tabIndex;			/* Index of the current tab stop. */
-    int gotTab;				/* Non-zero means the current chunk
-					 * contains a tab. */
-    TkTextDispChunk *tabChunkPtr;	/* Pointer to the chunk containing the
-					 * previous tab stop. */
-    int maxBytes;			/* Maximum number of bytes to include
-					 * in this chunk. */
-    TkTextTabArray *tabArrayPtr;	/* Tab stops for line; taken from
-					 * style for the first character on
-					 * line. */
-    int tabStyle;                       /* One of TABULAR or WORDPROCESSOR. */
-    int tabSize;			/* Number of pixels consumed by
-					 * current tab stop. */
-    TkTextDispChunk *lastCharChunkPtr;	/* Pointer to last chunk in display
-					 * lines with numBytes > 0. Used to
-					 * drop 0-sized chunks from the end of
-					 * the line. */
+    TkTextDispChunk *breakChunkPtr;
+				/* Chunk containing best word break point, if
+				 * any. */
+    TkTextIndex breakIndex;	/* Index of first character in
+				 * breakChunkPtr. */
+    int breakByteOffset;	/* Byte offset of character within
+				 * breakChunkPtr just to right of best break
+				 * point. */
+    int noCharsYet;		/* Non-zero means that no characters have been
+				 * placed on the line yet. */
+    int paragraphStart;		/* Non-zero means that we are on the first
+				 * line of a paragraph (used to choose between
+				 * lmargin1, lmargin2). */
+    int justify;		/* How to justify line: taken from style for
+				 * the first character in line. */
+    int jIndent;		/* Additional indentation (beyond margins) due
+				 * to justification. */
+    int rMargin;		/* Right margin width for line. */
+    TkWrapMode wrapMode;	/* Wrap mode to use for this line. */
+    int x = 0, maxX = 0;	/* Initializations needed only to stop
+				 * compiler warnings. */
+    int wholeLine;		/* Non-zero means this display line runs to
+				 * the end of the text line. */
+    int tabIndex;		/* Index of the current tab stop. */
+    int gotTab;			/* Non-zero means the current chunk contains a
+				 * tab. */
+    TkTextDispChunk *tabChunkPtr;
+				/* Pointer to the chunk containing the
+				 * previous tab stop. */
+    int maxBytes;		/* Maximum number of bytes to include in this
+				 * chunk. */
+    TkTextTabArray *tabArrayPtr;/* Tab stops for line; taken from style for
+				 * the first character on line. */
+    int tabStyle;		/* One of TABULAR or WORDPROCESSOR. */
+    int tabSize;		/* Number of pixels consumed by current tab
+				 * stop. */
+    TkTextDispChunk *lastCharChunkPtr;
+				/* Pointer to last chunk in display lines with
+				 * numBytes > 0. Used to drop 0-sized chunks
+				 * from the end of the line. */
     int byteOffset, ascent, descent, code, elide, elidesize;
     StyleValues *sValuePtr;
-    TkTextElideInfo info;		/* Keep track of elide state */
+    TkTextElideInfo info;	/* Keep track of elide state */
 
     /*
      * Create and initialize a new DLine structure.
@@ -1031,7 +1021,7 @@ LayoutDLine(textPtr, indexPtr)
     dlPtr->index = *indexPtr;
     dlPtr->byteCount = 0;
     dlPtr->y = 0;
-    dlPtr->oldY = 0;  /* Only setting this to avoid compiler warnings */
+    dlPtr->oldY = 0;		/* Only set to avoid compiler warnings */
     dlPtr->height = 0;
     dlPtr->baseline = 0;
     dlPtr->chunkPtr = NULL;
@@ -1039,13 +1029,14 @@ LayoutDLine(textPtr, indexPtr)
     dlPtr->flags = NEW_LAYOUT | OLD_Y_INVALID;
     dlPtr->logicalLinesMerged = 0;
 
-    /* 
-     * This is not necessarily totally correct, where we have merged
-     * logical lines.  Fixing this would require a quite significant
-     * overhaul, though, so currently we make do with this.
+    /*
+     * This is not necessarily totally correct, where we have merged logical
+     * lines. Fixing this would require a quite significant overhaul, though,
+     * so currently we make do with this.
      */
+
     paragraphStart = (indexPtr->byteIndex == 0);
-    
+
     /*
      * Special case entirely elide line as there may be 1000s or more
      */
@@ -1289,18 +1280,25 @@ LayoutDLine(textPtr, indexPtr)
 	    justify = chunkPtr->stylePtr->sValuePtr->justify;
 	    rMargin = chunkPtr->stylePtr->sValuePtr->rMargin;
 	    wrapMode = chunkPtr->stylePtr->sValuePtr->wrapMode;
-	    
-	    /* 
-	     * See above - this test may not be entirely correct where
-	     * we have partially elided lines (and therefore merged
-	     * logical lines).  In such a case a byteIndex of zero
-	     * doesn't necessarily mean the beginning of a logical line.
+
+	    /*
+	     * See above - this test may not be entirely correct where we have
+	     * partially elided lines (and therefore merged logical lines).
+	     * In such a case a byteIndex of zero doesn't necessarily mean the
+	     * beginning of a logical line.
 	     */
+
 	    if (paragraphStart) {
-		/* Beginning of logical line */
-	        x = chunkPtr->stylePtr->sValuePtr->lMargin1;
+		/*
+		 * Beginning of logical line.
+		 */
+
+		x = chunkPtr->stylePtr->sValuePtr->lMargin1;
 	    } else {
-		/* Beginning of display line */
+		/*
+		 * Beginning of display line.
+		 */
+
 		x = chunkPtr->stylePtr->sValuePtr->lMargin2;
 	    }
 	    if (wrapMode == TEXT_WRAPMODE_NONE) {
@@ -1325,7 +1323,7 @@ LayoutDLine(textPtr, indexPtr)
 	    if (segPtr->typePtr == &tkTextCharType) {
 		char *p;
 
-		for (p = segPtr->body.chars  + byteOffset; *p != 0; p++) {
+		for (p = segPtr->body.chars + byteOffset; *p != 0; p++) {
 		    if (*p == '\t') {
 			maxBytes = (p + 1 - segPtr->body.chars) - byteOffset;
 			gotTab = 1;
@@ -1347,9 +1345,12 @@ LayoutDLine(textPtr, indexPtr)
 	    chunkPtr->minAscent = chunkPtr->minDescent
 		    = chunkPtr->minHeight = 0;
 
-	    /* Would just like to point to canonical empty chunk */
-	    chunkPtr->displayProc = (Tk_ChunkDisplayProc *) NULL;
-	    chunkPtr->undisplayProc = (Tk_ChunkUndisplayProc *) NULL;
+	    /*
+	     * Would just like to point to canonical empty chunk.
+	     */
+
+	    chunkPtr->displayProc = NULL;
+	    chunkPtr->undisplayProc = NULL;
 	    chunkPtr->measureProc = ElideMeasureProc;
 	    chunkPtr->bboxProc = ElideBboxProc;
 
@@ -1382,16 +1383,18 @@ LayoutDLine(textPtr, indexPtr)
 	    }
 	    break;
 	}
-	/* 
-	 * We currently say we have some characters (and therefore
-	 * something from which to examine tag values for the first
-	 * character of the line) even if those characters are actually
-	 * elided.  This behaviour is not well documented, and it might
-	 * be more consistent to completely ignore such elided
-	 * characters and their tags.  To do so change this to:
-	 * 
+
+	/*
+	 * We currently say we have some characters (and therefore something
+	 * from which to examine tag values for the first character of the
+	 * line) even if those characters are actually elided. This behaviour
+	 * is not well documented, and it might be more consistent to
+	 * completely ignore such elided characters and their tags. To do so
+	 * change this to:
+	 *
 	 * if (!elide && chunkPtr->numBytes > 0).
 	 */
+
 	if (!elide && chunkPtr->numBytes > 0) {
 	    noCharsYet = 0;
 	    lastCharChunkPtr = chunkPtr;
@@ -1425,8 +1428,8 @@ LayoutDLine(textPtr, indexPtr)
 		x = chunkPtr->x + chunkPtr->width;
 	    }
 	    tabChunkPtr = chunkPtr;
-	    tabSize = SizeOfTab(textPtr, tabStyle, tabArrayPtr, 
-				&tabIndex, x, maxX);
+	    tabSize = SizeOfTab(textPtr, tabStyle, tabArrayPtr, &tabIndex, x,
+		    maxX);
 	    if ((maxX >= 0) && (tabSize >= maxX - x)) {
 		break;
 	    }
@@ -1587,7 +1590,7 @@ LayoutDLine(textPtr, indexPtr)
     dlPtr->baseline += dlPtr->spaceAbove;
 
     /*
-     * Recompute line length:  may have changed because of justification.
+     * Recompute line length: may have changed because of justification.
      */
 
     dlPtr->length = lastChunkPtr->x + lastChunkPtr->width;
@@ -1623,8 +1626,8 @@ LayoutDLine(textPtr, indexPtr)
  */
 
 static void
-UpdateDisplayInfo(textPtr)
-    TkText *textPtr;			/* Text widget to update. */
+UpdateDisplayInfo(
+    TkText *textPtr)		/* Text widget to update. */
 {
     register TextDInfo *dInfoPtr = textPtr->dInfoPtr;
     register DLine *dlPtr, *prevPtr;
@@ -1653,10 +1656,8 @@ UpdateDisplayInfo(textPtr)
     }
 
     /*
-     *--------------------------------------------------------------
      * Scan through the contents of the window from top to bottom, recomputing
      * information for lines that are missing.
-     *--------------------------------------------------------------
      */
 
     lastLinePtr = TkBTreeFindLine(textPtr->sharedTextPtr->tree, textPtr,
@@ -1693,7 +1694,6 @@ UpdateDisplayInfo(textPtr)
 	 */
 
 	if ((dlPtr == NULL) || (dlPtr->index.linePtr != index.linePtr)) {
-
 	    /*
 	     * Case (b) -- must make new DLine.
 	     */
@@ -1708,9 +1708,7 @@ UpdateDisplayInfo(textPtr)
 		 */
 
 		TkTextPrintIndex(textPtr, &index, string);
-		Tcl_SetVar2(textPtr->interp, "tk_textRelayout", (char *) NULL,
-			string,
-			TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+		LOG("tk_textRelayout", string);
 	    }
 	    newPtr = LayoutDLine(textPtr, &index);
 	    if (prevPtr == NULL) {
@@ -1839,10 +1837,9 @@ UpdateDisplayInfo(textPtr)
      * Delete any DLine structures that don't fit on the screen.
      */
 
-    FreeDLines(textPtr, dlPtr, (DLine *) NULL, DLINE_UNLINK);
+    FreeDLines(textPtr, dlPtr, NULL, DLINE_UNLINK);
 
     /*
-     *--------------------------------------------------------------
      * If there is extra space at the bottom of the window (because we've hit
      * the end of the text), then bring in more lines at the top of the
      * window, if there are any, to fill in the view.
@@ -1850,7 +1847,6 @@ UpdateDisplayInfo(textPtr)
      * Since the top line may only be partially visible, we try first to
      * simply show more pixels from that line (newTopPixelOffset). If that
      * isn't enough, we have to layout more lines.
-     *--------------------------------------------------------------
      */
 
     if (y < maxY) {
@@ -1899,7 +1895,7 @@ UpdateDisplayInfo(textPtr)
 		 */
 
 		lineNum = -1;
-		bytesToCount = 0; /* Stop compiler warning */
+		bytesToCount = 0;	/* Stop compiler warning */
 	    } else {
 		lineNum = TkBTreeLinesTo(textPtr,
 			dInfoPtr->dLinePtr->index.linePtr);
@@ -1923,7 +1919,8 @@ UpdateDisplayInfo(textPtr)
 		    dlPtr->nextPtr = lowestPtr;
 		    lowestPtr = dlPtr;
 		    if (dlPtr->length == 0 && dlPtr->height == 0) {
-			bytesToCount--; break;
+			bytesToCount--;
+			break;
 		    }	/* elide */
 		    TkTextIndexForwBytes(textPtr, &index, dlPtr->byteCount,
 			    &index);
@@ -1968,15 +1965,13 @@ UpdateDisplayInfo(textPtr)
 			char string[TK_POS_CHARS];
 
 			TkTextPrintIndex(textPtr, &dlPtr->index, string);
-			Tcl_SetVar2(textPtr->interp, "tk_textRelayout",
-			    (char *) NULL, string,
-			    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+			LOG("tk_textRelayout", string);
 		    }
 		    if (spaceLeft <= 0) {
 			break;
 		    }
 		}
-		FreeDLines(textPtr, lowestPtr, (DLine *) NULL, DLINE_FREE);
+		FreeDLines(textPtr, lowestPtr, NULL, DLINE_FREE);
 		bytesToCount = INT_MAX;
 	    }
 
@@ -2027,14 +2022,12 @@ UpdateDisplayInfo(textPtr)
     }
 
     /*
-     *--------------------------------------------------------------
      * If the old top or bottom line has scrolled elsewhere on the screen, we
      * may not be able to re-use its old contents by copying bits (e.g., a
      * beveled edge that was drawn when it was at the top or bottom won't be
      * drawn when the line is in the middle and its neighbor has a matching
      * background). Similarly, if the new top or bottom line came from
      * somewhere else on the screen, we may not be able to copy the old bits.
-     *--------------------------------------------------------------
      */
 
     dlPtr = dInfoPtr->dLinePtr;
@@ -2085,14 +2078,12 @@ UpdateDisplayInfo(textPtr)
     textPtr->flags |= UPDATE_SCROLLBARS;
 
     /*
-     *--------------------------------------------------------------
      * Deal with horizontal scrolling:
      * 1. If there's empty space to the right of the longest line, shift the
      *	  screen to the right to fill in the empty space.
      * 2. If the desired horizontal scroll position has changed, force a full
      *	  redisplay of all the lines in the widget.
      * 3. If the wrap mode isn't "none" then re-scroll to the base position.
-     *--------------------------------------------------------------
      */
 
     dInfoPtr->maxLength = 0;
@@ -2153,13 +2144,13 @@ UpdateDisplayInfo(textPtr)
  */
 
 static void
-FreeDLines(textPtr, firstPtr, lastPtr, action)
-    TkText *textPtr;		/* Information about overall text widget. */
-    register DLine *firstPtr;	/* Pointer to first DLine to free up. */
-    DLine *lastPtr;		/* Pointer to DLine just after last one to
+FreeDLines(
+    TkText *textPtr,		/* Information about overall text widget. */
+    register DLine *firstPtr,	/* Pointer to first DLine to free up. */
+    DLine *lastPtr,		/* Pointer to DLine just after last one to
 				 * free (NULL means everything starting with
 				 * firstPtr). */
-    int action;			/* DLINE_UNLINK means DLines are currently
+    int action)			/* DLINE_UNLINK means DLines are currently
 				 * linked into the list rooted at
 				 * textPtr->dInfoPtr->dLinePtr and they have
 				 * to be unlinked. DLINE_FREE means just free
@@ -2182,14 +2173,14 @@ FreeDLines(textPtr, firstPtr, lastPtr, action)
 	     */
 
 	    TkTextPrintIndex(textPtr, &firstPtr->index, string);
-	    Tcl_SetVar2(textPtr->interp, "tk_textHeightCalc", (char *) NULL,
-		string, TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+	    LOG("tk_textHeightCalc", string);
 	}
     } else if (action == DLINE_UNLINK) {
 	if (textPtr->dInfoPtr->dLinePtr == firstPtr) {
 	    textPtr->dInfoPtr->dLinePtr = lastPtr;
 	} else {
 	    register DLine *prevPtr;
+
 	    for (prevPtr = textPtr->dInfoPtr->dLinePtr;
 		    prevPtr->nextPtr != firstPtr; prevPtr = prevPtr->nextPtr) {
 		/* Empty loop body. */
@@ -2234,12 +2225,12 @@ FreeDLines(textPtr, firstPtr, lastPtr, action)
  */
 
 static void
-DisplayDLine(textPtr, dlPtr, prevPtr, pixmap)
-    TkText *textPtr;		/* Text widget in which to draw line. */
-    register DLine *dlPtr;	/* Information about line to draw. */
-    DLine *prevPtr;		/* Line just before one to draw, or NULL if
+DisplayDLine(
+    TkText *textPtr,		/* Text widget in which to draw line. */
+    register DLine *dlPtr,	/* Information about line to draw. */
+    DLine *prevPtr,		/* Line just before one to draw, or NULL if
 				 * dlPtr is the top line. */
-    Pixmap pixmap;		/* Pixmap to use for double-buffering. Caller
+    Pixmap pixmap)		/* Pixmap to use for double-buffering. Caller
 				 * must make sure it's large enough to hold
 				 * line. */
 {
@@ -2277,7 +2268,9 @@ DisplayDLine(textPtr, dlPtr, prevPtr, pixmap)
 		chunkPtr = chunkPtr->nextPtr) {
 	    if (chunkPtr->displayProc == TkTextInsertDisplayProc) {
 		int x = chunkPtr->x + dInfoPtr->x - dInfoPtr->curXPixelOffset;
-		(*chunkPtr->displayProc)(textPtr, chunkPtr, x, dlPtr->spaceAbove,
+
+		(*chunkPtr->displayProc)(textPtr, chunkPtr, x,
+			dlPtr->spaceAbove,
 			dlPtr->height - dlPtr->spaceAbove - dlPtr->spaceBelow,
 			dlPtr->baseline - dlPtr->spaceAbove, display, pixmap,
 			dlPtr->y + dlPtr->spaceAbove);
@@ -2381,12 +2374,12 @@ DisplayDLine(textPtr, dlPtr, prevPtr, pixmap)
  */
 
 static void
-DisplayLineBackground(textPtr, dlPtr, prevPtr, pixmap)
-    TkText *textPtr;		/* Text widget containing line. */
-    register DLine *dlPtr;	/* Information about line to draw. */
-    DLine *prevPtr;		/* Line just above dlPtr, or NULL if dlPtr is
+DisplayLineBackground(
+    TkText *textPtr,		/* Text widget containing line. */
+    register DLine *dlPtr,	/* Information about line to draw. */
+    DLine *prevPtr,		/* Line just above dlPtr, or NULL if dlPtr is
 				 * the top-most line in the window. */
-    Pixmap pixmap;		/* Pixmap to use for double-buffering. Caller
+    Pixmap pixmap)		/* Pixmap to use for double-buffering. Caller
 				 * must make sure it's large enough to hold
 				 * line. Caller must also have filled it with
 				 * the background color for the widget. */
@@ -2729,14 +2722,13 @@ DisplayLineBackground(textPtr, dlPtr, prevPtr, pixmap)
  *
  * AsyncUpdateLineMetrics --
  *
- *	This function is invoked as a background handler to update the
- *	pixel-height calculations of individual lines in an asychronous
- *	manner.
+ *	This function is invoked as a background handler to update the pixel-
+ *	height calculations of individual lines in an asychronous manner.
  *
  *	Currently a timer-handler is used for this purpose, which continuously
  *	reschedules itself. It may well be better to use some other approach
- *	(e.g. a background thread). We can't use an idle-callback because of a
- *	known bug in Tcl/Tk in which idle callbacks are not allowed to
+ *	(e.g., a background thread). We can't use an idle-callback because of
+ *	a known bug in Tcl/Tk in which idle callbacks are not allowed to
  *	re-schedule themselves. This just causes an effective infinite loop.
  *
  * Results:
@@ -2749,8 +2741,8 @@ DisplayLineBackground(textPtr, dlPtr, prevPtr, pixmap)
  */
 
 static void
-AsyncUpdateLineMetrics(clientData)
-    ClientData clientData;	/* Information about widget. */
+AsyncUpdateLineMetrics(
+    ClientData clientData)	/* Information about widget. */
 {
     register TkText *textPtr = (TkText *) clientData;
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
@@ -2760,7 +2752,7 @@ AsyncUpdateLineMetrics(clientData)
 
     if ((textPtr->tkwin == NULL) || (textPtr->flags & DESTROYED)) {
 	/*
-	 * The widget has been deleted.	 Don't do anything.
+	 * The widget has been deleted. Don't do anything.
 	 */
 
 	if (--textPtr->refCount == 0) {
@@ -2792,8 +2784,7 @@ AsyncUpdateLineMetrics(clientData)
 	char buffer[2 * TCL_INTEGER_SPACE + 1];
 
 	sprintf(buffer, "%d %d", lineNum, dInfoPtr->lastMetricUpdateLine);
-	Tcl_SetVar2(textPtr->interp, "tk_textInvalidateLine", (char *) NULL,
-		    buffer, TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+	LOG("tk_textInvalidateLine", buffer);
     }
 
     /*
@@ -2836,8 +2827,8 @@ AsyncUpdateLineMetrics(clientData)
  *	doThisMuch is positive, then the function may return earlier, once a
  *	certain number of lines has been examined. The line counts are from 0.
  *
- *	If doThisMuch is -1, then all lines in the range will be updated.
- *	This will potentially take quite some time for a large text widget.
+ *	If doThisMuch is -1, then all lines in the range will be updated. This
+ *	will potentially take quite some time for a large text widget.
  *
  *	Note: with bad input for lineNum and endLine, this function can loop
  *	indefinitely.
@@ -2854,13 +2845,14 @@ AsyncUpdateLineMetrics(clientData)
  */
 
 int
-TkTextUpdateLineMetrics(textPtr, lineNum, endLine, doThisMuch)
-    TkText *textPtr;	/* Information about widget. */
-    int lineNum;	/* Start at this line */
-    int endLine;	/* Go no further than this line */
-    int doThisMuch;	/* How many lines to check, or how many 10s of lines
-			 * to recalculate. If '-1' then do everything in the
-			 * range (which may take a while). */
+TkTextUpdateLineMetrics(
+    TkText *textPtr,		/* Information about widget. */
+    int lineNum,		/* Start at this line */
+    int endLine,		/* Go no further than this line */
+    int doThisMuch)		/* How many lines to check, or how many 10s of
+				 * lines to recalculate. If '-1' then do
+				 * everything in the range (which may take a
+				 * while). */
 {
     TkTextLine *linePtr = NULL;
     int count = 0;
@@ -2910,11 +2902,9 @@ TkTextUpdateLineMetrics(textPtr, lineNum, endLine, doThisMuch)
 	    if (tkTextDebug) {
 		char buffer[4 * TCL_INTEGER_SPACE + 3];
 
-		sprintf(buffer, "%d %d %d %d", lineNum, endLine,
-			totalLines, count);
-		Tcl_SetVar2(textPtr->interp, "tk_textInvalidateLine",
-			(char *) NULL, buffer,
-			TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+		sprintf(buffer, "%d %d %d %d",
+			lineNum, endLine, totalLines, count);
+		LOG("tk_textInvalidateLine", buffer);
 	    }
 
 	    /*
@@ -3062,13 +3052,13 @@ TkTextUpdateLineMetrics(textPtr, lineNum, endLine, doThisMuch)
  */
 
 void
-TkTextInvalidateLineMetrics(sharedTextPtr, textPtr, linePtr, lineCount, action)
-    TkSharedText *sharedTextPtr;/* Shared widget section for all peers, or
+TkTextInvalidateLineMetrics(
+    TkSharedText *sharedTextPtr,/* Shared widget section for all peers, or
 				 * NULL. */
-    TkText *textPtr;		/* Widget record for text widget. */
-    TkTextLine *linePtr;	/* Invalidation starts from this line. */
-    int lineCount;		/* And includes this many following lines. */
-    int action;			/* Indicates what type of invalidation
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkTextLine *linePtr,	/* Invalidation starts from this line. */
+    int lineCount,		/* And includes this many following lines. */
+    int action)			/* Indicates what type of invalidation
 				 * occurred (insert, delete, or simple). */
 {
     if (sharedTextPtr == NULL) {
@@ -3083,11 +3073,11 @@ TkTextInvalidateLineMetrics(sharedTextPtr, textPtr, linePtr, lineCount, action)
 }
 
 static void
-TextInvalidateLineMetrics(textPtr, linePtr, lineCount, action)
-    TkText *textPtr;		/* Widget record for text widget. */
-    TkTextLine *linePtr;	/* Invalidation starts from this line. */
-    int lineCount;		/* And includes this many following lines. */
-    int action;			/* Indicates what type of invalidation
+TextInvalidateLineMetrics(
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkTextLine *linePtr,	/* Invalidation starts from this line. */
+    int lineCount,		/* And includes this many following lines. */
+    int action)			/* Indicates what type of invalidation
 				 * occurred (insert, delete, or simple). */
 {
     int fromLine;
@@ -3170,7 +3160,7 @@ TextInvalidateLineMetrics(textPtr, linePtr, lineCount, action)
 		    dInfoPtr->currentMetricUpdateLine = fromLine;
 		}
 		if (dInfoPtr->lastMetricUpdateLine != -1
-		  && toLine > dInfoPtr->lastMetricUpdateLine) {
+			&& toLine > dInfoPtr->lastMetricUpdateLine) {
 		    dInfoPtr->lastMetricUpdateLine = toLine;
 		}
 	    }
@@ -3243,12 +3233,12 @@ TextInvalidateLineMetrics(textPtr, linePtr, lineCount, action)
  */
 
 void
-TkTextFindDisplayLineEnd(textPtr, indexPtr, end, xOffset)
-    TkText *textPtr;		/* Widget record for text widget. */
-    TkTextIndex *indexPtr;	/* Index we will adjust to the display line
+TkTextFindDisplayLineEnd(
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkTextIndex *indexPtr,	/* Index we will adjust to the display line
 				 * start or end. */
-    int end;			/* 0 = start, 1 = end. */
-    int *xOffset;		/* NULL, or used to store the x-pixel offset
+    int end,			/* 0 = start, 1 = end. */
+    int *xOffset)		/* NULL, or used to store the x-pixel offset
 				 * of the original index within its display
 				 * line. */
 {
@@ -3389,16 +3379,15 @@ TkTextFindDisplayLineEnd(textPtr, indexPtr, end, xOffset)
  */
 
 static int
-CalculateDisplayLineHeight(textPtr, indexPtr, byteCountPtr, mergedLinePtr)
-    TkText *textPtr;		 /* Widget record for text widget. */
-    CONST TkTextIndex *indexPtr; /* The index at the beginning of the display
-				  * line of interest. */
-    int *byteCountPtr;		 /* NULL or used to return the number of byte
-				  * indices on the given display line. */
-    int *mergedLinePtr;		 /* NULL or used to return if the given
-				  * display line merges with a following
-				  * logical line (because the eol is
-				  * elided). */
+CalculateDisplayLineHeight(
+    TkText *textPtr,		/* Widget record for text widget. */
+    CONST TkTextIndex *indexPtr,/* The index at the beginning of the display
+				 * line of interest. */
+    int *byteCountPtr,		/* NULL or used to return the number of byte
+				 * indices on the given display line. */
+    int *mergedLinePtr)		/* NULL or used to return if the given display
+				 * line merges with a following logical line
+				 * (because the eol is elided). */
 {
     DLine *dlPtr;
     int pixelHeight;
@@ -3461,11 +3450,11 @@ CalculateDisplayLineHeight(textPtr, indexPtr, byteCountPtr, mergedLinePtr)
  */
 
 int
-TkTextIndexYPixels(textPtr, indexPtr)
-    TkText *textPtr;		  /* Widget record for text widget. */
-    CONST TkTextIndex *indexPtr;  /* The index of which we want the pixel
-				   * distance from top of logical line to top
-				   * of index. */
+TkTextIndexYPixels(
+    TkText *textPtr,		/* Widget record for text widget. */
+    CONST TkTextIndex *indexPtr)/* The index of which we want the pixel
+				 * distance from top of logical line to top of
+				 * index. */
 {
     int pixelHeight;
     TkTextIndex index;
@@ -3536,26 +3525,29 @@ TkTextIndexYPixels(textPtr, indexPtr)
  * Side effects:
  *	Line heights may be recalculated, and a timer to update the scrollbar
  *	may be installed. Also see the called function
- *	'CalculateDisplayLineHeight' for its side effects.
+ *	CalculateDisplayLineHeight for its side effects.
  *
  *----------------------------------------------------------------------
  */
 
 int
-TkTextUpdateOneLine(textPtr, linePtr, pixelHeight, indexPtr, partialCalc)
-    TkText *textPtr;	    /* Widget record for text widget. */
-    TkTextLine *linePtr;    /* The line of which to calculate the height. */
-    int pixelHeight;	    /* If indexPtr is non-NULL, then this is the
-			     * number of pixels in the logical line linePtr,
-			     * up to the index which has been given. */
-    TkTextIndex *indexPtr;  /* Either NULL or an index at the start of a
-			     * display line belonging to linePtr, at which we
-			     * wish to start (e.g. up to which we have already
-			     * calculated). On return this will be set to the
-			     * first index on the next line. */
-    int partialCalc;	    /* Set to 1 if we are allowed to do partial height
-			     * calculations of long-lines. In this case we'll
-			     * only return what we know so far. */
+TkTextUpdateOneLine(
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkTextLine *linePtr,	/* The line of which to calculate the
+				 * height. */
+    int pixelHeight,		/* If indexPtr is non-NULL, then this is the
+				 * number of pixels in the logical line
+				 * linePtr, up to the index which has been
+				 * given. */
+    TkTextIndex *indexPtr,	/* Either NULL or an index at the start of a
+				 * display line belonging to linePtr, at which
+				 * we wish to start (e.g. up to which we have
+				 * already calculated). On return this will be
+				 * set to the first index on the next line. */
+    int partialCalc)		/* Set to 1 if we are allowed to do partial
+				 * height calculations of long-lines. In this
+				 * case we'll only return what we know so
+				 * far. */
 {
     TkTextIndex index;
     int displayLines;
@@ -3724,9 +3716,8 @@ TkTextUpdateOneLine(textPtr, linePtr, pixelHeight, indexPtr, partialCalc)
 	    Tcl_Panic("Mustn't ever update line height of last artificial line");
 	}
 
-	sprintf(buffer, "%d %d", TkBTreeLinesTo(textPtr, linePtr), pixelHeight);
-	Tcl_SetVar2(textPtr->interp, "tk_textNumPixels", (char *) NULL,
-		    buffer, TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+	sprintf(buffer, "%d %d", TkBTreeLinesTo(textPtr,linePtr), pixelHeight);
+	LOG("tk_textNumPixels", buffer);
     }
     if (textPtr->dInfoPtr->scrollbarTimer == NULL) {
 	textPtr->refCount++;
@@ -3754,8 +3745,8 @@ TkTextUpdateOneLine(textPtr, linePtr, pixelHeight, indexPtr, partialCalc)
  */
 
 static void
-DisplayText(clientData)
-    ClientData clientData;	/* Information about widget. */
+DisplayText(
+    ClientData clientData)	/* Information about widget. */
 {
     register TkText *textPtr = (TkText *) clientData;
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
@@ -3779,8 +3770,7 @@ DisplayText(clientData)
     Tcl_Preserve((ClientData) interp);
 
     if (tkTextDebug) {
-	Tcl_SetVar2(interp, "tk_textRelayout", (char *) NULL, "",
-		TCL_GLOBAL_ONLY);
+	Tcl_SetVar2(interp, "tk_textRelayout", NULL, "", TCL_GLOBAL_ONLY);
     }
 
     if ((textPtr->tkwin == NULL) || (textPtr->flags & DESTROYED)) {
@@ -3799,13 +3789,12 @@ DisplayText(clientData)
     }
     numRedisplays++;
     if (tkTextDebug) {
-	Tcl_SetVar2(interp, "tk_textRedraw", (char *) NULL, "",
-		TCL_GLOBAL_ONLY);
+	Tcl_SetVar2(interp, "tk_textRedraw", NULL, "", TCL_GLOBAL_ONLY);
     }
 
     if ((textPtr->tkwin == NULL) || (textPtr->flags & DESTROYED)) {
 	/*
-	 * The widget has been deleted.	 Don't do anything.
+	 * The widget has been deleted. Don't do anything.
 	 */
 
 	goto end;
@@ -3984,8 +3973,7 @@ DisplayText(clientData)
 
     if (dInfoPtr->flags & REDRAW_BORDERS) {
 	if (tkTextDebug) {
-	    Tcl_SetVar2(interp, "tk_textRedraw", (char *) NULL, "borders",
-		    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+	    LOG("tk_textRedraw", "borders");
 	}
 
 	if (textPtr->tkwin == NULL) {
@@ -4006,7 +3994,7 @@ DisplayText(clientData)
 	    GC fgGC, bgGC;
 
 	    bgGC = Tk_GCForColor(textPtr->highlightBgColorPtr,
-			Tk_WindowId(textPtr->tkwin));
+		    Tk_WindowId(textPtr->tkwin));
 	    if (textPtr->flags & GOT_FOCUS) {
 		fgGC = Tk_GCForColor(textPtr->highlightColorPtr,
 			Tk_WindowId(textPtr->tkwin));
@@ -4047,15 +4035,15 @@ DisplayText(clientData)
 
     /*
      * Now we have to redraw the lines that couldn't be updated by scrolling.
-     * First, compute the height of the largest line and allocate an
-     * off-screen pixmap to use for double-buffered displays.
+     * First, compute the height of the largest line and allocate an off-
+     * screen pixmap to use for double-buffered displays.
      */
 
     maxHeight = -1;
     for (dlPtr = dInfoPtr->dLinePtr; dlPtr != NULL;
 	    dlPtr = dlPtr->nextPtr) {
-	if ((dlPtr->height > maxHeight)
-	  && ((dlPtr->flags & OLD_Y_INVALID) || (dlPtr->oldY != dlPtr->y))) {
+	if ((dlPtr->height > maxHeight) &&
+		((dlPtr->flags&OLD_Y_INVALID) || (dlPtr->oldY != dlPtr->y))) {
 	    maxHeight = dlPtr->height;
 	}
 	bottomY = dlPtr->y + dlPtr->height;
@@ -4086,9 +4074,7 @@ DisplayText(clientData)
 		    char string[TK_POS_CHARS];
 
 		    TkTextPrintIndex(textPtr, &dlPtr->index, string);
-		    Tcl_SetVar2(textPtr->interp, "tk_textRedraw",
-			    (char *) NULL, string,
-			    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+		    LOG("tk_textRedraw", string);
 		}
 		DisplayDLine(textPtr, dlPtr, prevPtr, pixmap);
 		if (dInfoPtr->dLinesInvalidated) {
@@ -4141,7 +4127,7 @@ DisplayText(clientData)
 			    dlPtr->spaceAbove,
 			    dlPtr->height-dlPtr->spaceAbove-dlPtr->spaceBelow,
 			    dlPtr->baseline - dlPtr->spaceAbove,
-			    (Display *) NULL, (Drawable) None,
+			    NULL, (Drawable) None,
 			    dlPtr->y + dlPtr->spaceAbove);
 		}
 
@@ -4162,9 +4148,7 @@ DisplayText(clientData)
     }
     if (bottomY < dInfoPtr->topOfEof) {
 	if (tkTextDebug) {
-	    Tcl_SetVar2(textPtr->interp, "tk_textRedraw",
-		    (char *) NULL, "eof",
-		    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+	    LOG("tk_textRedraw", "eof");
 	}
 
 	if ((textPtr->tkwin == NULL) || (textPtr->flags & DESTROYED)) {
@@ -4236,8 +4220,8 @@ DisplayText(clientData)
 
 	/* ARGSUSED */
 void
-TkTextEventuallyRepick(textPtr)
-    TkText *textPtr;		/* Widget record for text widget. */
+TkTextEventuallyRepick(
+    TkText *textPtr)		/* Widget record for text widget. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
 
@@ -4268,12 +4252,12 @@ TkTextEventuallyRepick(textPtr)
 
 	/* ARGSUSED */
 void
-TkTextRedrawRegion(textPtr, x, y, width, height)
-    TkText *textPtr;		/* Widget record for text widget. */
-    int x, y;			/* Coordinates of upper-left corner of area to
+TkTextRedrawRegion(
+    TkText *textPtr,		/* Widget record for text widget. */
+    int x, int y,		/* Coordinates of upper-left corner of area to
 				 * be redrawn, in pixels relative to textPtr's
 				 * window. */
-    int width, height;		/* Width and height of area to be redrawn. */
+    int width, int height)	/* Width and height of area to be redrawn. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
     TkRegion damageRgn = TkCreateRegion();
@@ -4311,9 +4295,9 @@ TkTextRedrawRegion(textPtr, x, y, width, height)
  */
 
 static void
-TextInvalidateRegion(textPtr, region)
-    TkText *textPtr;		/* Widget record for text widget. */
-    TkRegion region;		/* Region of area to redraw. */
+TextInvalidateRegion(
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkRegion region)		/* Region of area to redraw. */
 {
     register DLine *dlPtr;
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
@@ -4380,13 +4364,12 @@ TextInvalidateRegion(textPtr, region)
  */
 
 void
-TkTextChanged(sharedTextPtr, textPtr, index1Ptr, index2Ptr)
-    TkSharedText *sharedTextPtr;  /* Shared widget section, or NULL */
-    TkText *textPtr;		  /* Widget record for text widget, or
-				   * NULL. */
-    CONST TkTextIndex *index1Ptr; /* Index of first character to redisplay. */
-    CONST TkTextIndex *index2Ptr; /* Index of character just after last one to
-				   * redisplay. */
+TkTextChanged(
+    TkSharedText *sharedTextPtr,/* Shared widget section, or NULL */
+    TkText *textPtr,		/* Widget record for text widget, or NULL. */
+    CONST TkTextIndex*index1Ptr,/* Index of first character to redisplay. */
+    CONST TkTextIndex*index2Ptr)/* Index of character just after last one to
+				 * redisplay. */
 {
     if (sharedTextPtr == NULL) {
 	TextChanged(textPtr, index1Ptr, index2Ptr);
@@ -4400,12 +4383,11 @@ TkTextChanged(sharedTextPtr, textPtr, index1Ptr, index2Ptr)
 }
 
 static void
-TextChanged(textPtr, index1Ptr, index2Ptr)
-    TkText *textPtr;		  /* Widget record for text widget, or
-				   * NULL. */
-    CONST TkTextIndex *index1Ptr; /* Index of first character to redisplay. */
-    CONST TkTextIndex *index2Ptr; /* Index of character just after last one to
-				   * redisplay. */
+TextChanged(
+    TkText *textPtr,		/* Widget record for text widget, or NULL. */
+    CONST TkTextIndex*index1Ptr,/* Index of first character to redisplay. */
+    CONST TkTextIndex*index2Ptr)/* Index of character just after last one to
+				 * redisplay. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
     DLine *firstPtr, *lastPtr;
@@ -4481,17 +4463,17 @@ TextChanged(textPtr, index1Ptr, index2Ptr)
  */
 
 void
-TkTextRedrawTag(sharedTextPtr, textPtr, index1Ptr, index2Ptr, tagPtr, withTag)
-    TkSharedText *sharedTextPtr;/* Shared widget section, or NULL */
-    TkText *textPtr;		/* Widget record for text widget. */
-    TkTextIndex *index1Ptr;	/* First character in range to consider for
+TkTextRedrawTag(
+    TkSharedText *sharedTextPtr,/* Shared widget section, or NULL */
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkTextIndex *index1Ptr,	/* First character in range to consider for
 				 * redisplay. NULL means start at beginning of
 				 * text. */
-    TkTextIndex *index2Ptr;	/* Character just after last one to consider
+    TkTextIndex *index2Ptr,	/* Character just after last one to consider
 				 * for redisplay. NULL means process all the
 				 * characters in the text. */
-    TkTextTag *tagPtr;		/* Information about tag. */
-    int withTag;		/* 1 means redraw characters that have the
+    TkTextTag *tagPtr,		/* Information about tag. */
+    int withTag)		/* 1 means redraw characters that have the
 				 * tag, 0 means redraw those without. */
 {
     if (sharedTextPtr == NULL) {
@@ -4506,16 +4488,16 @@ TkTextRedrawTag(sharedTextPtr, textPtr, index1Ptr, index2Ptr, tagPtr, withTag)
 }
 
 static void
-TextRedrawTag(textPtr, index1Ptr, index2Ptr, tagPtr, withTag)
-    TkText *textPtr;		/* Widget record for text widget. */
-    TkTextIndex *index1Ptr;	/* First character in range to consider for
+TextRedrawTag(
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkTextIndex *index1Ptr,	/* First character in range to consider for
 				 * redisplay. NULL means start at beginning of
 				 * text. */
-    TkTextIndex *index2Ptr;	/* Character just after last one to consider
+    TkTextIndex *index2Ptr,	/* Character just after last one to consider
 				 * for redisplay. NULL means process all the
 				 * characters in the text. */
-    TkTextTag *tagPtr;		/* Information about tag. */
-    int withTag;		/* 1 means redraw characters that have the
+    TkTextTag *tagPtr,		/* Information about tag. */
+    int withTag)		/* 1 means redraw characters that have the
 				 * tag, 0 means redraw those without. */
 {
     register DLine *dlPtr;
@@ -4700,13 +4682,13 @@ TextRedrawTag(textPtr, index1Ptr, index2Ptr, tagPtr, withTag)
  */
 
 void
-TkTextRelayoutWindow(textPtr, mask)
-    TkText *textPtr;		/* Widget record for text widget. */
-    int mask;			/* OR'd collection of bits showing what has
+TkTextRelayoutWindow(
+    TkText *textPtr,		/* Widget record for text widget. */
+    int mask)			/* OR'd collection of bits showing what has
 				 * changed */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
-    GC new;
+    GC newGC;
     XGCValues gcValues;
 
     /*
@@ -4725,17 +4707,17 @@ TkTextRelayoutWindow(textPtr, mask)
      */
 
     gcValues.graphics_exposures = False;
-    new = Tk_GetGC(textPtr->tkwin, GCGraphicsExposures, &gcValues);
+    newGC = Tk_GetGC(textPtr->tkwin, GCGraphicsExposures, &gcValues);
     if (dInfoPtr->copyGC != None) {
 	Tk_FreeGC(textPtr->display, dInfoPtr->copyGC);
     }
-    dInfoPtr->copyGC = new;
+    dInfoPtr->copyGC = newGC;
 
     /*
      * Throw away all the current layout information.
      */
 
-    FreeDLines(textPtr, dInfoPtr->dLinePtr, (DLine *) NULL, DLINE_UNLINK);
+    FreeDLines(textPtr, dInfoPtr->dLinePtr, NULL, DLINE_UNLINK);
     dInfoPtr->dLinePtr = NULL;
 
     /*
@@ -4820,8 +4802,8 @@ TkTextRelayoutWindow(textPtr, mask)
  *
  * TkTextSetYView --
  *
- *	This function is called to specify what lines are to be displayed in
- *	a text widget.
+ *	This function is called to specify what lines are to be displayed in a
+ *	text widget.
  *
  * Results:
  *	None.
@@ -4835,23 +4817,22 @@ TkTextRelayoutWindow(textPtr, mask)
  */
 
 void
-TkTextSetYView(textPtr, indexPtr, pickPlace)
-    TkText *textPtr;		/* Widget record for text widget. */
-    TkTextIndex *indexPtr;	/* Position that is to appear somewhere in the
+TkTextSetYView(
+    TkText *textPtr,		/* Widget record for text widget. */
+    TkTextIndex *indexPtr,	/* Position that is to appear somewhere in the
 				 * view. */
-    int pickPlace;		/* 0 means the given index must appear exactly
-				 * at the top of the screen.
-				 * TK_TEXT_PICKPLACE (-1) means we get to pick
-				 * where it appears: minimize screen motion or
-				 * else display line at center of screen.
-				 * TK_TEXT_NOPIXELADJUST (-2) indicates to
-				 * make the given index the top line, but if
-				 * it is already the top line, don't nudge it
-				 * up or down by a few pixels just to make
-				 * sure it is entirely displayed. Positive
-				 * numbers indicate the number of pixels of
-				 * the index's line which are to be off the
-				 * top of the screen. */
+    int pickPlace)		/* 0 means the given index must appear exactly
+				 * at the top of the screen. TK_TEXT_PICKPLACE
+				 * (-1) means we get to pick where it appears:
+				 * minimize screen motion or else display line
+				 * at center of screen. TK_TEXT_NOPIXELADJUST
+				 * (-2) indicates to make the given index the
+				 * top line, but if it is already the top
+				 * line, don't nudge it up or down by a few
+				 * pixels just to make sure it is entirely
+				 * displayed. Positive numbers indicate the
+				 * number of pixels of the index's line which
+				 * are to be off the top of the screen. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
     register DLine *dlPtr;
@@ -5021,11 +5002,11 @@ TkTextSetYView(textPtr, indexPtr, pickPlace)
  */
 
 int
-TkTextMeasureDown(textPtr, srcPtr, distance)
-    TkText *textPtr;		/* Text widget in which to measure. */
-    TkTextIndex *srcPtr;	/* Index of character from which to start
+TkTextMeasureDown(
+    TkText *textPtr,		/* Text widget in which to measure. */
+    TkTextIndex *srcPtr,	/* Index of character from which to start
 				 * measuring. */
-    int distance;		/* Vertical distance in pixels measured from
+    int distance)		/* Vertical distance in pixels measured from
 				 * the top pixel in srcPtr's logical line. */
 {
     TkTextLine *lastLinePtr;
@@ -5040,12 +5021,12 @@ TkTextMeasureDown(textPtr, srcPtr, distance)
 	dlPtr->nextPtr = NULL;
 
 	if (distance < dlPtr->height) {
-	    FreeDLines(textPtr, dlPtr, (DLine *) NULL, DLINE_FREE_TEMP);
+	    FreeDLines(textPtr, dlPtr, NULL, DLINE_FREE_TEMP);
 	    break;
 	}
 	distance -= dlPtr->height;
 	TkTextIndexForwBytes(textPtr, srcPtr, dlPtr->byteCount, &loop);
-	FreeDLines(textPtr, dlPtr, (DLine *) NULL, DLINE_FREE_TEMP);
+	FreeDLines(textPtr, dlPtr, NULL, DLINE_FREE_TEMP);
 	if (loop.linePtr == lastLinePtr) {
 	    break;
 	}
@@ -5084,15 +5065,15 @@ TkTextMeasureDown(textPtr, srcPtr, distance)
  */
 
 static void
-MeasureUp(textPtr, srcPtr, distance, dstPtr, overlap)
-    TkText *textPtr;		/* Text widget in which to measure. */
-    CONST TkTextIndex *srcPtr;	/* Index of character from which to start
+MeasureUp(
+    TkText *textPtr,		/* Text widget in which to measure. */
+    CONST TkTextIndex *srcPtr,	/* Index of character from which to start
 				 * measuring. */
-    int distance;		/* Vertical distance in pixels measured from
+    int distance,		/* Vertical distance in pixels measured from
 				 * the pixel just below the lowest one in
 				 * srcPtr's line. */
-    TkTextIndex *dstPtr;	/* Index to fill in with result. */
-    int *overlap;		/* Used to store how much of the final index
+    TkTextIndex *dstPtr,	/* Index to fill in with result. */
+    int *overlap)		/* Used to store how much of the final index
 				 * returned was not covered by 'distance'. */
 {
     int lineNum;		/* Number of current line. */
@@ -5149,7 +5130,7 @@ MeasureUp(textPtr, srcPtr, distance, dstPtr, overlap)
 	 * next display line to lay out.
 	 */
 
-	FreeDLines(textPtr, lowestPtr, (DLine *) NULL, DLINE_FREE);
+	FreeDLines(textPtr, lowestPtr, NULL, DLINE_FREE);
 	if (distance <= 0) {
 	    return;
 	}
@@ -5186,11 +5167,11 @@ MeasureUp(textPtr, srcPtr, distance, dstPtr, overlap)
  */
 
 int
-TkTextSeeCmd(textPtr, interp, objc, objv)
-    TkText *textPtr;		/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextSeeCmd(
+    TkText *textPtr,		/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "see". */
 {
@@ -5315,11 +5296,11 @@ TkTextSeeCmd(textPtr, interp, objc, objv)
  */
 
 int
-TkTextXviewCmd(textPtr, interp, objc, objv)
-    TkText *textPtr;		/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextXviewCmd(
+    TkText *textPtr,		/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "xview". */
 {
@@ -5353,6 +5334,7 @@ TkTextXviewCmd(textPtr, interp, objc, objv)
 	break;
     case TKTEXT_SCROLL_PAGES: {
 	int pixelsPerPage;
+
 	pixelsPerPage = (dInfoPtr->maxX-dInfoPtr->x) - 2*textPtr->charWidth;
 	if (pixelsPerPage < 1) {
 	    pixelsPerPage = 1;
@@ -5388,16 +5370,15 @@ TkTextXviewCmd(textPtr, interp, objc, objv)
  *	None.
  *
  * Side effects:
- *	The view in textPtr's window changes to reflect the value
- *	of "offset".
+ *	The view in textPtr's window changes to reflect the value of "offset".
  *
  *----------------------------------------------------------------------
  */
 
 static void
-YScrollByPixels(textPtr, offset)
-    TkText *textPtr;		/* Widget to scroll. */
-    int offset;			/* Amount by which to scroll, in pixels.
+YScrollByPixels(
+    TkText *textPtr,		/* Widget to scroll. */
+    int offset)			/* Amount by which to scroll, in pixels.
 				 * Positive means that information later in
 				 * text becomes visible, negative means that
 				 * information earlier in the text becomes
@@ -5419,7 +5400,7 @@ YScrollByPixels(textPtr, offset)
     } else if (offset > 0) {
 	DLine *dlPtr;
 	TkTextLine *lastLinePtr;
-	TkTextIndex new;
+	TkTextIndex newIdx;
 
 	/*
 	 * Scrolling down by pixels. Layout lines starting at the top index
@@ -5434,7 +5415,7 @@ YScrollByPixels(textPtr, offset)
 	    dlPtr = LayoutDLine(textPtr, &textPtr->topIndex);
 	    dlPtr->nextPtr = NULL;
 	    TkTextIndexForwBytes(textPtr, &textPtr->topIndex,
-		    dlPtr->byteCount, &new);
+		    dlPtr->byteCount, &newIdx);
 	    if (offset <= dlPtr->height) {
 		/*
 		 * Adjust the top overlap accordingly.
@@ -5443,11 +5424,11 @@ YScrollByPixels(textPtr, offset)
 		dInfoPtr->newTopPixelOffset = offset;
 	    }
 	    offset -= dlPtr->height;
-	    FreeDLines(textPtr, dlPtr, (DLine *) NULL, DLINE_FREE_TEMP);
-	    if (new.linePtr == lastLinePtr || offset <= 0) {
+	    FreeDLines(textPtr, dlPtr, NULL, DLINE_FREE_TEMP);
+	    if (newIdx.linePtr == lastLinePtr || offset <= 0) {
 		break;
 	    }
-	    textPtr->topIndex = new;
+	    textPtr->topIndex = newIdx;
 	}
     } else {
 	/*
@@ -5480,16 +5461,16 @@ YScrollByPixels(textPtr, offset)
  */
 
 static void
-YScrollByLines(textPtr, offset)
-    TkText *textPtr;		/* Widget to scroll. */
-    int offset;			/* Amount by which to scroll, in display
+YScrollByLines(
+    TkText *textPtr,		/* Widget to scroll. */
+    int offset)			/* Amount by which to scroll, in display
 				 * lines. Positive means that information
 				 * later in text becomes visible, negative
 				 * means that information earlier in the text
 				 * becomes visible. */
 {
     int i, bytesToCount, lineNum;
-    TkTextIndex new, index;
+    TkTextIndex newIdx, index;
     TkTextLine *lastLinePtr;
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
     DLine *dlPtr, *lowestPtr;
@@ -5532,7 +5513,7 @@ YScrollByLines(textPtr, offset)
 	     * the next display line to lay out.
 	     */
 
-	    FreeDLines(textPtr, lowestPtr, (DLine *) NULL, DLINE_FREE);
+	    FreeDLines(textPtr, lowestPtr, NULL, DLINE_FREE);
 	    if (offset >= 0) {
 		goto scheduleUpdate;
 	    }
@@ -5563,12 +5544,12 @@ YScrollByLines(textPtr, offset)
 	    }
 	    dlPtr->nextPtr = NULL;
 	    TkTextIndexForwBytes(textPtr, &textPtr->topIndex,
-		    dlPtr->byteCount, &new);
-	    FreeDLines(textPtr, dlPtr, (DLine *) NULL, DLINE_FREE);
-	    if (new.linePtr == lastLinePtr) {
+		    dlPtr->byteCount, &newIdx);
+	    FreeDLines(textPtr, dlPtr, NULL, DLINE_FREE);
+	    if (newIdx.linePtr == lastLinePtr) {
 		break;
 	    }
-	    textPtr->topIndex = new;
+	    textPtr->topIndex = newIdx;
 	}
     }
 
@@ -5598,11 +5579,11 @@ YScrollByLines(textPtr, offset)
  */
 
 int
-TkTextYviewCmd(textPtr, interp, objc, objv)
-    TkText *textPtr;		/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextYviewCmd(
+    TkText *textPtr,		/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "yview". */
 {
@@ -5628,10 +5609,11 @@ TkTextYviewCmd(textPtr, interp, objc, objv)
 
     pickPlace = 0;
     if (Tcl_GetString(objv[2])[0] == '-') {
-	switchLength = strlen(Tcl_GetString(objv[2]));
+	register CONST char *switchStr =
+		Tcl_GetStringFromObj(objv[2], &switchLength);
+
 	if ((switchLength >= 2)
-		&& (strncmp(Tcl_GetString(objv[2]),
-			"-pickplace", switchLength) == 0)) {
+		&& (strncmp(switchStr, "-pickplace", switchLength) == 0)) {
 	    pickPlace = 1;
 	    if (objc != 4) {
 		Tcl_WrongNumArgs(interp, 3, objv, "lineNum|index");
@@ -5641,9 +5623,10 @@ TkTextYviewCmd(textPtr, interp, objc, objv)
     }
     if ((objc == 3) || pickPlace) {
 	int lineNum;
+
 	if (Tcl_GetIntFromObj(interp, objv[2+pickPlace], &lineNum) == TCL_OK) {
 	    TkTextMakeByteIndex(textPtr->sharedTextPtr->tree, textPtr,
-				lineNum, 0, &index);
+		    lineNum, 0, &index);
 	    TkTextSetYView(textPtr, &index, 0);
 	    return TCL_OK;
 	}
@@ -5720,6 +5703,7 @@ TkTextYviewCmd(textPtr, interp, objc, objv)
 	 */
 
 	int height = dInfoPtr->maxY - dInfoPtr->y;
+
 	if (textPtr->charHeight * 4 >= height) {
 	    /*
 	     * A single line is more than a quarter of the display. We choose
@@ -5776,11 +5760,11 @@ TkTextYviewCmd(textPtr, interp, objc, objv)
  */
 
 int
-TkTextScanCmd(textPtr, interp, objc, objv)
-    register TkText *textPtr;	/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextScanCmd(
+    register TkText *textPtr,	/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "scan". */
 {
@@ -5790,10 +5774,13 @@ TkTextScanCmd(textPtr, interp, objc, objv)
     size_t length;
 
     if ((objc != 5) && (objc != 6)) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-		Tcl_GetString(objv[0]), " scan mark x y\" or \"",
-		Tcl_GetString(objv[0]), " scan dragto x y ?gain?\"",
-		(char *) NULL);
+	Tcl_WrongNumArgs(interp, 2, objv, "mark x y");
+	Tcl_AppendResult(interp, " or \"", Tcl_GetString(objv[0]),
+		" scan dragto x y ?gain?\"", NULL);
+	/*
+	 * Ought to be:
+	 * Tcl_WrongNumArgs(interp, 2, objc, "dragto x y ?gain?");
+	 */
 	return TCL_ERROR;
     }
     if (Tcl_GetIntFromObj(interp, objv[3], &x) != TCL_OK) {
@@ -5857,7 +5844,7 @@ TkTextScanCmd(textPtr, interp, objc, objv)
 	dInfoPtr->scanMarkY = y;
     } else {
 	Tcl_AppendResult(interp, "bad scan option \"", Tcl_GetString(objv[2]),
-		"\": must be mark or dragto", (char *) NULL);
+		"\": must be mark or dragto", NULL);
 	return TCL_ERROR;
     }
     return TCL_OK;
@@ -5889,12 +5876,12 @@ TkTextScanCmd(textPtr, interp, objc, objv)
  */
 
 static void
-GetXView(interp, textPtr, report)
-    Tcl_Interp *interp;		/* If "report" is FALSE, string describing
+GetXView(
+    Tcl_Interp *interp,		/* If "report" is FALSE, string describing
 				 * visible range gets stored in the interp's
 				 * result. */
-    TkText *textPtr;		/* Information about text widget. */
-    int report;			/* Non-zero means report info to scrollbar if
+    TkText *textPtr,		/* Information about text widget. */
+    int report)			/* Non-zero means report info to scrollbar if
 				 * it has changed. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
@@ -5977,9 +5964,9 @@ GetXView(interp, textPtr, report)
  */
 
 static int
-GetYPixelCount(textPtr, dlPtr)
-    TkText *textPtr;		/* Information about text widget. */
-    DLine *dlPtr;		/* Information about the layout of a given
+GetYPixelCount(
+    TkText *textPtr,		/* Information about text widget. */
+    DLine *dlPtr)		/* Information about the layout of a given
 				 * index */
 {
     TkTextLine *linePtr = dlPtr->index.linePtr;
@@ -6037,7 +6024,7 @@ GetYPixelCount(textPtr, dlPtr)
 		TkTextIndexForwBytes(textPtr, &dlPtr->index,
 			dlPtr->byteCount, &index);
 		if (notFirst) {
-		    FreeDLines(textPtr, dlPtr, (DLine *)NULL, DLINE_FREE_TEMP);
+		    FreeDLines(textPtr, dlPtr, NULL, DLINE_FREE_TEMP);
 		}
 		if (index.linePtr != linePtr) {
 		    break;
@@ -6054,9 +6041,7 @@ GetYPixelCount(textPtr, dlPtr)
 		     */
 
 		    TkTextPrintIndex(textPtr, &index, string);
-		    Tcl_SetVar2(textPtr->interp, "tk_textHeightCalc",
-			    (char *) NULL, string,
-			    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
+		    LOG("tk_textHeightCalc", string);
 		}
 		count -= dlPtr->height;
 		notFirst = 1;
@@ -6075,9 +6060,9 @@ GetYPixelCount(textPtr, dlPtr)
  *
  * GetYView --
  *
- *	This function computes the fractions that indicate what's visible in
- *	a text window and, optionally, evaluates a Tcl script to report them
- *	to the text's associated scrollbar.
+ *	This function computes the fractions that indicate what's visible in a
+ *	text window and, optionally, evaluates a Tcl script to report them to
+ *	the text's associated scrollbar.
  *
  * Results:
  *	If report is zero, then the interp's result is filled in with two real
@@ -6095,12 +6080,12 @@ GetYPixelCount(textPtr, dlPtr)
  */
 
 static void
-GetYView(interp, textPtr, report)
-    Tcl_Interp *interp;		/* If "report" is FALSE, string describing
+GetYView(
+    Tcl_Interp *interp,		/* If "report" is FALSE, string describing
 				 * visible range gets stored in the interp's
 				 * result. */
-    TkText *textPtr;		/* Information about text widget. */
-    int report;			/* Non-zero means report info to scrollbar if
+    TkText *textPtr,		/* Information about text widget. */
+    int report)			/* Non-zero means report info to scrollbar if
 				 * it has changed. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
@@ -6205,7 +6190,7 @@ GetYView(interp, textPtr, report)
     }
 
     if (FP_EQUAL_SCALE(first, dInfoPtr->yScrollFirst, totalPixels) &&
-	FP_EQUAL_SCALE(last,  dInfoPtr->yScrollLast,  totalPixels)) {
+	    FP_EQUAL_SCALE(last, dInfoPtr->yScrollLast, totalPixels)) {
 	return;
     }
 
@@ -6247,8 +6232,8 @@ GetYView(interp, textPtr, report)
  */
 
 static void
-AsyncUpdateYScrollbar(clientData)
-    ClientData clientData;	/* Information about widget. */
+AsyncUpdateYScrollbar(
+    ClientData clientData)	/* Information about widget. */
 {
     register TkText *textPtr = (TkText *) clientData;
 
@@ -6283,10 +6268,10 @@ AsyncUpdateYScrollbar(clientData)
  */
 
 static DLine *
-FindDLine(dlPtr, indexPtr)
-    register DLine *dlPtr;	/* Pointer to first in list of DLines to
+FindDLine(
+    register DLine *dlPtr,	/* Pointer to first in list of DLines to
 				 * search. */
-    CONST TkTextIndex *indexPtr;/* Index of desired character. */
+    CONST TkTextIndex *indexPtr)/* Index of desired character. */
 {
     TkTextLine *linePtr;
 
@@ -6361,13 +6346,13 @@ FindDLine(dlPtr, indexPtr)
  */
 
 void
-TkTextPixelIndex(textPtr, x, y, indexPtr, nearest)
-    TkText *textPtr;		/* Widget record for text widget. */
-    int x, y;			/* Pixel coordinates of point in widget's
+TkTextPixelIndex(
+    TkText *textPtr,		/* Widget record for text widget. */
+    int x, int y,		/* Pixel coordinates of point in widget's
 				 * window. */
-    TkTextIndex *indexPtr;	/* This index gets filled in with the index of
+    TkTextIndex *indexPtr,	/* This index gets filled in with the index of
 				 * the character nearest to (x,y). */
-    int *nearest;		/* If non-NULL then gets set to 0 if (x,y) is
+    int *nearest)		/* If non-NULL then gets set to 0 if (x,y) is
 				 * actually over the returned index, and 1 if
 				 * it is just nearby (e.g. if x,y is on the
 				 * border of the widget). */
@@ -6411,7 +6396,7 @@ TkTextPixelIndex(textPtr, x, y, indexPtr, nearest)
 
     if (dInfoPtr->dLinePtr == NULL) {
 	if (nearest != NULL) {
-	   *nearest = 1;
+	    *nearest = 1;
 	}
 	*indexPtr = textPtr->topIndex;
 	return;
@@ -6462,13 +6447,13 @@ TkTextPixelIndex(textPtr, x, y, indexPtr, nearest)
  */
 
 static void
-DlineIndexOfX(textPtr, dlPtr, x, indexPtr)
-    TkText *textPtr;		/* Widget record for text widget. */
-    DLine *dlPtr;		/* Display information for this display
+DlineIndexOfX(
+    TkText *textPtr,		/* Widget record for text widget. */
+    DLine *dlPtr,		/* Display information for this display
 				 * line. */
-    int x;			/* Pixel x coordinate of point in widget's
+    int x,			/* Pixel x coordinate of point in widget's
 				 * window. */
-    TkTextIndex *indexPtr;	/* This index gets filled in with the index of
+    TkTextIndex *indexPtr)	/* This index gets filled in with the index of
 				 * the character nearest to x. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
@@ -6549,11 +6534,11 @@ DlineIndexOfX(textPtr, dlPtr, x, indexPtr)
  */
 
 void
-TkTextIndexOfX(textPtr, x, indexPtr)
-    TkText *textPtr;		/* Widget record for text widget. */
-    int x;			/* The x coordinate for which we want the
+TkTextIndexOfX(
+    TkText *textPtr,		/* Widget record for text widget. */
+    int x,			/* The x coordinate for which we want the
 				 * index */
-    TkTextIndex *indexPtr;	/* Index of display line start, which will be
+    TkTextIndex *indexPtr)	/* Index of display line start, which will be
 				 * adjusted to the index under the given x
 				 * coordinate. */
 {
@@ -6588,11 +6573,11 @@ TkTextIndexOfX(textPtr, x, indexPtr)
  */
 
 static int
-DlineXOfIndex(textPtr, dlPtr, byteIndex)
-    TkText *textPtr;		/* Widget record for text widget. */
-    DLine *dlPtr;		/* Display information for this display
+DlineXOfIndex(
+    TkText *textPtr,		/* Widget record for text widget. */
+    DLine *dlPtr,		/* Display information for this display
 				 * line. */
-    int byteIndex;		/* The byte index for which we want the
+    int byteIndex)		/* The byte index for which we want the
 				 * coordinate. */
 {
     register TkTextDispChunk *chunkPtr = dlPtr->chunkPtr;
@@ -6638,10 +6623,10 @@ DlineXOfIndex(textPtr, dlPtr, byteIndex)
  *	the entity (character, window, image) at that index.
  *
  * Results:
- *	Zero is returned if the index is on the screen. -1 means the
- *	index isn't on the screen. If the return value is 0, then the
- *	bounding box of the part of the index that's visible on the screen
- *	is returned to *xPtr, *yPtr, *widthPtr, and *heightPtr.
+ *	Zero is returned if the index is on the screen. -1 means the index
+ *	isn't on the screen. If the return value is 0, then the bounding box
+ *	of the part of the index that's visible on the screen is returned to
+ *	*xPtr, *yPtr, *widthPtr, and *heightPtr.
  *
  * Side effects:
  *	None.
@@ -6650,17 +6635,17 @@ DlineXOfIndex(textPtr, dlPtr, byteIndex)
  */
 
 int
-TkTextIndexBbox(textPtr, indexPtr, xPtr, yPtr, widthPtr, heightPtr, charWidthPtr)
-    TkText *textPtr;		/* Widget record for text widget. */
-    CONST TkTextIndex *indexPtr;/* Index whose bounding box is desired. */
-    int *xPtr, *yPtr;		/* Filled with index's upper-left
+TkTextIndexBbox(
+    TkText *textPtr,		/* Widget record for text widget. */
+    CONST TkTextIndex *indexPtr,/* Index whose bounding box is desired. */
+    int *xPtr, int *yPtr,	/* Filled with index's upper-left
 				 * coordinate. */
-    int *widthPtr, *heightPtr;	/* Filled in with index's dimensions. */
-    int *charWidthPtr;		/* If the 'index' is at the end of
-                      		 * a display line and therefore takes
-                      		 * up a very large width, this is
-                      		 * used to return the smaller width
-                      		 * actually desired by the index.  */
+    int *widthPtr, int *heightPtr,
+				/* Filled in with index's dimensions. */
+    int *charWidthPtr)		/* If the 'index' is at the end of a display
+				 * line and therefore takes up a very large
+				 * width, this is used to return the smaller
+				 * width actually desired by the index. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
     DLine *dlPtr;
@@ -6731,11 +6716,11 @@ TkTextIndexBbox(textPtr, indexPtr, xPtr, yPtr, widthPtr, heightPtr, charWidthPtr
 	}
     }
     if (*widthPtr == 0) {
-	/* 
-	 * With zero width (e.g. elided text) we just need to
-	 * make sure it is onscreen, where the '=' case here is
-	 * ok.
+	/*
+	 * With zero width (e.g. elided text) we just need to make sure it is
+	 * onscreen, where the '=' case here is ok.
 	 */
+
 	if (*xPtr < dInfoPtr->x) {
 	    return -1;
 	}
@@ -6780,14 +6765,15 @@ TkTextIndexBbox(textPtr, indexPtr, xPtr, yPtr, widthPtr, heightPtr, charWidthPtr
  */
 
 int
-TkTextDLineInfo(textPtr, indexPtr, xPtr, yPtr, widthPtr, heightPtr, basePtr)
-    TkText *textPtr;		/* Widget record for text widget. */
-    CONST TkTextIndex *indexPtr;/* Index of character whose bounding box is
+TkTextDLineInfo(
+    TkText *textPtr,		/* Widget record for text widget. */
+    CONST TkTextIndex *indexPtr,/* Index of character whose bounding box is
 				 * desired. */
-    int *xPtr, *yPtr;		/* Filled with line's upper-left
+    int *xPtr, int *yPtr,	/* Filled with line's upper-left
 				 * coordinate. */
-    int *widthPtr, *heightPtr;	/* Filled in with line's dimensions. */
-    int *basePtr;		/* Filled in with the baseline position,
+    int *widthPtr, int *heightPtr,
+				/* Filled in with line's dimensions. */
+    int *basePtr)		/* Filled in with the baseline position,
 				 * measured as an offset down from *yPtr. */
 {
     TextDInfo *dInfoPtr = textPtr->dInfoPtr;
@@ -6829,23 +6815,22 @@ TkTextDLineInfo(textPtr, indexPtr, xPtr, yPtr, widthPtr, heightPtr, basePtr)
  */
 
 static void
-ElideBboxProc(textPtr, chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
-	widthPtr, heightPtr)
-    TkText *textPtr;
-    TkTextDispChunk *chunkPtr;	/* Chunk containing desired char. */
-    int index;			/* Index of desired character within the
+ElideBboxProc(
+    TkText *textPtr,
+    TkTextDispChunk *chunkPtr,	/* Chunk containing desired char. */
+    int index,			/* Index of desired character within the
 				 * chunk. */
-    int y;			/* Topmost pixel in area allocated for this
+    int y,			/* Topmost pixel in area allocated for this
 				 * line. */
-    int lineHeight;		/* Height of line, in pixels. */
-    int baseline;		/* Location of line's baseline, in pixels
+    int lineHeight,		/* Height of line, in pixels. */
+    int baseline,		/* Location of line's baseline, in pixels
 				 * measured down from y. */
-    int *xPtr, *yPtr;		/* Gets filled in with coords of character's
+    int *xPtr, int *yPtr,	/* Gets filled in with coords of character's
 				 * upper-left pixel. X-coord is in same
 				 * coordinate system as chunkPtr->x. */
-    int *widthPtr;		/* Gets filled in with width of character, in
+    int *widthPtr,		/* Gets filled in with width of character, in
 				 * pixels. */
-    int *heightPtr;		/* Gets filled in with height of character, in
+    int *heightPtr)		/* Gets filled in with height of character, in
 				 * pixels. */
 {
     *xPtr = chunkPtr->x;
@@ -6858,9 +6843,9 @@ ElideBboxProc(textPtr, chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
  */
 
 static int
-ElideMeasureProc(chunkPtr, x)
-    TkTextDispChunk *chunkPtr;	/* Chunk containing desired coord. */
-    int x;			/* X-coordinate, in same coordinate system as
+ElideMeasureProc(
+    TkTextDispChunk *chunkPtr,	/* Chunk containing desired coord. */
+    int x)			/* X-coordinate, in same coordinate system as
 				 * chunkPtr->x. */
 {
     return 0 /*chunkPtr->numBytes - 1*/;
@@ -6888,24 +6873,23 @@ ElideMeasureProc(chunkPtr, x)
  */
 
 int
-TkTextCharLayoutProc(textPtr, indexPtr, segPtr, byteOffset, maxX, maxBytes,
-	noCharsYet, wrapMode, chunkPtr)
-    TkText *textPtr;		/* Text widget being layed out. */
-    TkTextIndex *indexPtr;	/* Index of first character to lay out
+TkTextCharLayoutProc(
+    TkText *textPtr,		/* Text widget being layed out. */
+    TkTextIndex *indexPtr,	/* Index of first character to lay out
 				 * (corresponds to segPtr and offset). */
-    TkTextSegment *segPtr;	/* Segment being layed out. */
-    int byteOffset;		/* Byte offset within segment of first
+    TkTextSegment *segPtr,	/* Segment being layed out. */
+    int byteOffset,		/* Byte offset within segment of first
 				 * character to consider. */
-    int maxX;			/* Chunk must not occupy pixels at this
+    int maxX,			/* Chunk must not occupy pixels at this
 				 * position or higher. */
-    int maxBytes;		/* Chunk must not include more than this many
+    int maxBytes,		/* Chunk must not include more than this many
 				 * characters. */
-    int noCharsYet;		/* Non-zero means no characters have been
+    int noCharsYet,		/* Non-zero means no characters have been
 				 * assigned to this display line yet. */
-    TkWrapMode wrapMode;	/* How to handle line wrapping:
+    TkWrapMode wrapMode,	/* How to handle line wrapping:
 				 * TEXT_WRAPMODE_CHAR, TEXT_WRAPMODE_NONE, or
 				 * TEXT_WRAPMODE_WORD. */
-    register TkTextDispChunk *chunkPtr;
+    register TkTextDispChunk *chunkPtr)
 				/* Structure to fill in with information about
 				 * this chunk. The x field has already been
 				 * set by the caller. */
@@ -6918,13 +6902,13 @@ TkTextCharLayoutProc(textPtr, indexPtr, segPtr, byteOffset, maxX, maxBytes,
     Tk_FontMetrics fm;
 
     /*
-     * Figure out how many characters will fit in the space we've got.
-     * Include the next character, even though it won't fit completely, if any
-     * of the following is true:
+     * Figure out how many characters will fit in the space we've got. Include
+     * the next character, even though it won't fit completely, if any of the
+     * following is true:
      *	 (a) the chunk contains no characters and the display line contains no
      *	     characters yet (i.e. the line isn't wide enough to hold even a
      *	     single character).
-     *	 (b) at least one pixel of the character is visible, we haven't
+     *	 (b) at least one pixel of the character is visible, we have not
      *	     already exceeded the character limit, and the next character is a
      *	     white space character.
      */
@@ -7040,19 +7024,19 @@ TkTextCharLayoutProc(textPtr, indexPtr, segPtr, byteOffset, maxX, maxBytes,
  */
 
 static void
-CharDisplayProc(textPtr, chunkPtr, x, y, height, baseline, display, dst, screenY)
-    TkText *textPtr;
-    TkTextDispChunk *chunkPtr;	/* Chunk that is to be drawn. */
-    int x;			/* X-position in dst at which to draw this
+CharDisplayProc(
+    TkText *textPtr,
+    TkTextDispChunk *chunkPtr,	/* Chunk that is to be drawn. */
+    int x,			/* X-position in dst at which to draw this
 				 * chunk (may differ from the x-position in
 				 * the chunk because of scrolling). */
-    int y;			/* Y-position at which to draw this chunk in
+    int y,			/* Y-position at which to draw this chunk in
 				 * dst. */
-    int height;			/* Total height of line. */
-    int baseline;		/* Offset of baseline from y. */
-    Display *display;		/* Display to use for drawing. */
-    Drawable dst;		/* Pixmap or window in which to draw chunk. */
-    int screenY;		/* Y-coordinate in text window that
+    int height,			/* Total height of line. */
+    int baseline,		/* Offset of baseline from y. */
+    Display *display,		/* Display to use for drawing. */
+    Drawable dst,		/* Pixmap or window in which to draw chunk. */
+    int screenY)		/* Y-coordinate in text window that
 				 * corresponds to y. */
 {
     CharInfo *ciPtr = (CharInfo *) chunkPtr->clientData;
@@ -7138,9 +7122,9 @@ CharDisplayProc(textPtr, chunkPtr, x, y, height, baseline, display, dst, screenY
  */
 
 static void
-CharUndisplayProc(textPtr, chunkPtr)
-    TkText *textPtr;		/* Overall information about text widget. */
-    TkTextDispChunk *chunkPtr;	/* Chunk that is about to be freed. */
+CharUndisplayProc(
+    TkText *textPtr,		/* Overall information about text widget. */
+    TkTextDispChunk *chunkPtr)	/* Chunk that is about to be freed. */
 {
     CharInfo *ciPtr = (CharInfo *) chunkPtr->clientData;
 
@@ -7166,9 +7150,9 @@ CharUndisplayProc(textPtr, chunkPtr)
  */
 
 static int
-CharMeasureProc(chunkPtr, x)
-    TkTextDispChunk *chunkPtr;	/* Chunk containing desired coord. */
-    int x;			/* X-coordinate, in same coordinate system as
+CharMeasureProc(
+    TkTextDispChunk *chunkPtr,	/* Chunk containing desired coord. */
+    int x)			/* X-coordinate, in same coordinate system as
 				 * chunkPtr->x. */
 {
     CharInfo *ciPtr = (CharInfo *) chunkPtr->clientData;
@@ -7201,23 +7185,22 @@ CharMeasureProc(chunkPtr, x)
  */
 
 static void
-CharBboxProc(textPtr, chunkPtr, byteIndex, y, lineHeight, baseline, xPtr, yPtr,
-	widthPtr, heightPtr)
-    TkText *textPtr;
-    TkTextDispChunk *chunkPtr;	/* Chunk containing desired char. */
-    int byteIndex;		/* Byte offset of desired character within the
+CharBboxProc(
+    TkText *textPtr,
+    TkTextDispChunk *chunkPtr,	/* Chunk containing desired char. */
+    int byteIndex,		/* Byte offset of desired character within the
 				 * chunk. */
-    int y;			/* Topmost pixel in area allocated for this
+    int y,			/* Topmost pixel in area allocated for this
 				 * line. */
-    int lineHeight;		/* Height of line, in pixels. */
-    int baseline;		/* Location of line's baseline, in pixels
+    int lineHeight,		/* Height of line, in pixels. */
+    int baseline,		/* Location of line's baseline, in pixels
 				 * measured down from y. */
-    int *xPtr, *yPtr;		/* Gets filled in with coords of character's
+    int *xPtr, int *yPtr,	/* Gets filled in with coords of character's
 				 * upper-left pixel. X-coord is in same
 				 * coordinate system as chunkPtr->x. */
-    int *widthPtr;		/* Gets filled in with width of character, in
+    int *widthPtr,		/* Gets filled in with width of character, in
 				 * pixels. */
-    int *heightPtr;		/* Gets filled in with height of character, in
+    int *heightPtr)		/* Gets filled in with height of character, in
 				 * pixels. */
 {
     CharInfo *ciPtr = (CharInfo *) chunkPtr->clientData;
@@ -7277,14 +7260,14 @@ CharBboxProc(textPtr, chunkPtr, byteIndex, y, lineHeight, baseline, xPtr, yPtr,
  */
 
 static void
-AdjustForTab(textPtr, tabArrayPtr, index, chunkPtr)
-    TkText *textPtr;		/* Information about the text widget as a
+AdjustForTab(
+    TkText *textPtr,		/* Information about the text widget as a
 				 * whole. */
-    TkTextTabArray *tabArrayPtr;/* Information about the tab stops that apply
+    TkTextTabArray *tabArrayPtr,/* Information about the tab stops that apply
 				 * to this line. May be NULL to indicate
 				 * default tabbing (every 8 chars). */
-    int index;			/* Index of current tab stop. */
-    TkTextDispChunk *chunkPtr;	/* Chunk whose last character is the tab; the
+    int index,			/* Index of current tab stop. */
+    TkTextDispChunk *chunkPtr)	/* Chunk whose last character is the tab; the
 				 * following chunks contain information to be
 				 * shifted right. */
 {
@@ -7297,7 +7280,7 @@ AdjustForTab(textPtr, tabArrayPtr, index, chunkPtr)
 
     if (chunkPtr->nextPtr == NULL) {
 	/*
-	 * Nothing after the actual tab;  just return.
+	 * Nothing after the actual tab; just return.
 	 */
 
 	return;
@@ -7306,9 +7289,9 @@ AdjustForTab(textPtr, tabArrayPtr, index, chunkPtr)
     x = chunkPtr->nextPtr->x;
 
     /*
-     * If no tab information has been given, assuming tab stops are
-     * at 8 average-sized characters.  Still ensure we respect the
-     * tabular versus wordprocessor tab style.
+     * If no tab information has been given, assuming tab stops are at 8
+     * average-sized characters. Still ensure we respect the tabular versus
+     * wordprocessor tab style.
      */
 
     if ((tabArrayPtr == NULL) || (tabArrayPtr->numTabs == 0)) {
@@ -7327,7 +7310,7 @@ AdjustForTab(textPtr, tabArrayPtr, index, chunkPtr)
 	} else {
 	    desired = NextTabStop(textPtr->tkfont, x, 0);
 	}
-	
+
 	goto update;
     }
 
@@ -7466,19 +7449,19 @@ AdjustForTab(textPtr, tabArrayPtr, index, chunkPtr)
  */
 
 static int
-SizeOfTab(textPtr, tabStyle, tabArrayPtr, indexPtr, x, maxX)
-    TkText *textPtr;		/* Information about the text widget as a
+SizeOfTab(
+    TkText *textPtr,		/* Information about the text widget as a
 				 * whole. */
-    int tabStyle;               /* One of TK_TEXT_TABSTYLE_TABULAR 
-                                 * or TK_TEXT_TABSTYLE_WORDPROCESSOR. */
-    TkTextTabArray *tabArrayPtr;/* Information about the tab stops that apply
+    int tabStyle,		/* One of TK_TEXT_TABSTYLE_TABULAR
+				 * or TK_TEXT_TABSTYLE_WORDPROCESSOR. */
+    TkTextTabArray *tabArrayPtr,/* Information about the tab stops that apply
 				 * to this line. NULL means use default
 				 * tabbing (every 8 chars.) */
-    int *indexPtr;		/* Contains index of previous tab stop, will
+    int *indexPtr,		/* Contains index of previous tab stop, will
 				 * be updated to reflect the number of stops
 				 * used. */
-    int x;			/* Current x-location in line. */
-    int maxX;			/* X-location of pixel just past the right
+    int x,			/* Current x-location in line. */
+    int maxX)			/* X-location of pixel just past the right
 				 * edge of the line. */
 {
     int tabX, result, index, spaceWidth, tabWidth;
@@ -7487,7 +7470,10 @@ SizeOfTab(textPtr, tabStyle, tabArrayPtr, indexPtr, x, maxX)
     index = *indexPtr;
 
     if ((tabArrayPtr == NULL) || (tabArrayPtr->numTabs == 0)) {
-	/* We're using a default tab spacing of 8 characters */
+	/*
+	 * We're using a default tab spacing of 8 characters.
+	 */
+
 	tabWidth = Tk_TextWidth(textPtr->tkfont, "0", 1) * 8;
 	if (tabWidth == 0) {
 	    tabWidth = 1;
@@ -7495,16 +7481,19 @@ SizeOfTab(textPtr, tabStyle, tabArrayPtr, indexPtr, x, maxX)
     } else {
 	tabWidth = 0; /* Avoid compiler error */
     }
-    
+
     do {
 	/*
 	 * We were given the count before this tab, so increment it first.
 	 */
 
 	index++;
-	
+
 	if ((tabArrayPtr == NULL) || (tabArrayPtr->numTabs == 0)) {
-	    /* We're using a default tab spacing calculated above */
+	    /*
+	     * We're using a default tab spacing calculated above.
+	     */
+
 	    tabX = tabWidth * (index + 1);
 	    alignment = LEFT;
 	} else if (index < tabArrayPtr->numTabs) {
@@ -7522,14 +7511,13 @@ SizeOfTab(textPtr, tabStyle, tabArrayPtr, indexPtr, x, maxX)
 	}
 
 	/*
-	 * If this tab stop is before the current x position, then we
-	 * have two cases:
-	 * 
-	 * With 'wordprocessor' style tabs, we must obviously continue
-	 * until we reach the text tab stop.
-	 * 
-	 * With 'tabular' style tabs, we always use the index'th tab
-	 * stop.
+	 * If this tab stop is before the current x position, then we have two
+	 * cases:
+	 *
+	 * With 'wordprocessor' style tabs, we must obviously continue until
+	 * we reach the text tab stop.
+	 *
+	 * With 'tabular' style tabs, we always use the index'th tab stop.
 	 */
     } while (tabX < x && (tabStyle == TK_TEXT_TABSTYLE_WORDPROCESSOR));
 
@@ -7585,8 +7573,7 @@ SizeOfTab(textPtr, tabStyle, tabArrayPtr, indexPtr, x, maxX)
  *	Given the current position, determine where the next default tab stop
  *	would be located. This function is called when the current chunk in
  *	the text has no tabs defined and so the default tab spacing for the
- *	font should be used, provided we are using wordprocessor 
- *	style tabs.
+ *	font should be used, provided we are using wordprocessor style tabs.
  *
  * Results:
  *	The location in pixels of the next tab stop.
@@ -7598,13 +7585,13 @@ SizeOfTab(textPtr, tabStyle, tabArrayPtr, indexPtr, x, maxX)
  */
 
 static int
-NextTabStop(tkfont, x, tabOrigin)
-    Tk_Font tkfont;		/* Font in which chunk that contains tab stop
+NextTabStop(
+    Tk_Font tkfont,		/* Font in which chunk that contains tab stop
 				 * will be drawn. */
-    int x;			/* X-position in pixels where last character
+    int x,			/* X-position in pixels where last character
 				 * was drawn. The next tab stop occurs
 				 * somewhere after this location. */
-    int tabOrigin;		/* The origin for tab stops. May be non-zero
+    int tabOrigin)		/* The origin for tab stops. May be non-zero
 				 * if text has been scrolled. */
 {
     int tabWidth, rem;
@@ -7626,7 +7613,7 @@ NextTabStop(tkfont, x, tabOrigin)
 /*
  *---------------------------------------------------------------------------
  *
- *  MeasureChars --
+ * MeasureChars --
  *
  *	Determine the number of characters from the string that will fit in
  *	the given horizontal span. The measurement is done under the
@@ -7652,17 +7639,17 @@ NextTabStop(tkfont, x, tabOrigin)
  */
 
 static int
-MeasureChars(tkfont, source, maxBytes, startX, maxX, nextXPtr)
-    Tk_Font tkfont;		/* Font in which to draw characters. */
-    CONST char *source;		/* Characters to be displayed. Need not be
+MeasureChars(
+    Tk_Font tkfont,		/* Font in which to draw characters. */
+    CONST char *source,		/* Characters to be displayed. Need not be
 				 * NULL-terminated. */
-    int maxBytes;		/* Maximum # of bytes to consider from
+    int maxBytes,		/* Maximum # of bytes to consider from
 				 * source. */
-    int startX;			/* X-position at which first character will be
+    int startX,			/* X-position at which first character will be
 				 * drawn. */
-    int maxX;			/* Don't consider any character that would
+    int maxX,			/* Don't consider any character that would
 				 * cross this x-position. */
-    int *nextXPtr;		/* Return x-position of terminating character
+    int *nextXPtr)		/* Return x-position of terminating character
 				 * here. */
 {
     int curX, width, ch;
@@ -7694,8 +7681,8 @@ MeasureChars(tkfont, source, maxBytes, startX, maxX, nextXPtr)
 	if ((maxX >= 0) && (curX >= maxX)) {
 	    break;
 	}
-	start += Tk_MeasureChars(tkfont, start, special - start,
-				 maxX - curX, 0, &width);
+	start += Tk_MeasureChars(tkfont, start, special - start, maxX - curX,
+		0, &width);
 	curX += width;
 	if (start < special) {
 	    /*
@@ -7746,70 +7733,81 @@ MeasureChars(tkfont, source, maxBytes, startX, maxX, nextXPtr)
  */
 
 static int
-TextGetScrollInfoObj(interp, textPtr, objc, objv, dblPtr, intPtr)
-    Tcl_Interp *interp;		/* Used for error reporting. */
-    TkText *textPtr;		/* Information about the text widget. */
-    int objc;			/* # arguments for command. */
-    Tcl_Obj *CONST objv[];	/* Arguments for command. */
-    double *dblPtr;		/* Filled in with argument "moveto" option, if
+TextGetScrollInfoObj(
+    Tcl_Interp *interp,		/* Used for error reporting. */
+    TkText *textPtr,		/* Information about the text widget. */
+    int objc,			/* # arguments for command. */
+    Tcl_Obj *CONST objv[],	/* Arguments for command. */
+    double *dblPtr,		/* Filled in with argument "moveto" option, if
 				 * any. */
-    int *intPtr;		/* Filled in with number of pages or lines or
+    int *intPtr)		/* Filled in with number of pages or lines or
 				 * pixels to scroll, if any. */
 {
-    char c;
-    int length;
-    CONST char *arg2;
-
-    arg2 = Tcl_GetStringFromObj(objv[2], &length);
-    c = arg2[0];
-    if (c=='m' && strncmp(arg2, "moveto", (unsigned) length)==0) {
+    static CONST char *subcommands[] = {
+	"moveto", "scroll", NULL
+    };
+    enum viewSubcmds {
+	VIEW_MOVETO, VIEW_SCROLL
+    };
+    static CONST char *units[] = {
+	"units", "pages", "pixels", NULL
+    };
+    enum viewUnits {
+	VIEW_SCROLL_UNITS, VIEW_SCROLL_PAGES, VIEW_SCROLL_PIXELS
+    };
+    int index;
+
+    if (Tcl_GetIndexFromObj(interp, objv[2], subcommands, "option", 0,
+	    &index) != TCL_OK) {
+	return TKTEXT_SCROLL_ERROR;
+    }
+
+    switch ((enum viewSubcmds) index) {
+    case VIEW_MOVETO:
 	if (objc != 4) {
-	    Tcl_WrongNumArgs(interp, 2, objv, "moveto fraction");
+	    Tcl_WrongNumArgs(interp, 3, objv, "fraction");
 	    return TKTEXT_SCROLL_ERROR;
 	}
 	if (Tcl_GetDoubleFromObj(interp, objv[3], dblPtr) != TCL_OK) {
 	    return TKTEXT_SCROLL_ERROR;
 	}
 	return TKTEXT_SCROLL_MOVETO;
-    } else if (c=='s' && strncmp(arg2, "scroll", (unsigned) length)==0) {
-	CONST char *arg4;
-	size_t argLen;
-
+    case VIEW_SCROLL:
 	if (objc != 5) {
-	    Tcl_WrongNumArgs(interp, 2, objv,
-	    "scroll number units|pages|pixels");
+	    Tcl_WrongNumArgs(interp, 3, objv, "number units|pages|pixels");
 	    return TKTEXT_SCROLL_ERROR;
 	}
-	arg4 = Tcl_GetStringFromObj(objv[4], &length);
-	argLen = (size_t) length;
-	c = arg4[0];
-	if (c=='p' && length==1) {
-	    Tcl_AppendResult(interp, "ambiguous argument \"", arg4,
-		    "\": must be units, pages or pixels", (char *) NULL);
+	if (Tcl_GetIndexFromObj(interp, objv[4], units, "argument", 0,
+		&index) != TCL_OK) {
 	    return TKTEXT_SCROLL_ERROR;
-	} else if (c=='p' && strncmp(arg4, "pages", argLen)==0) {
+	}
+	switch ((enum viewUnits) index) {
+	case VIEW_SCROLL_PAGES:
 	    if (Tcl_GetIntFromObj(interp, objv[3], intPtr) != TCL_OK) {
 		return TKTEXT_SCROLL_ERROR;
 	    }
 	    return TKTEXT_SCROLL_PAGES;
-	} else if (c=='p' && strncmp(arg4, "pixels", argLen)==0) {
+	case VIEW_SCROLL_PIXELS:
 	    if (Tk_GetPixelsFromObj(interp, textPtr->tkwin, objv[3],
 		    intPtr) != TCL_OK) {
 		return TKTEXT_SCROLL_ERROR;
 	    }
 	    return TKTEXT_SCROLL_PIXELS;
-	} else if (c=='u' && strncmp(arg4, "units", argLen)==0) {
+	case VIEW_SCROLL_UNITS:
 	    if (Tcl_GetIntFromObj(interp, objv[3], intPtr) != TCL_OK) {
 		return TKTEXT_SCROLL_ERROR;
 	    }
 	    return TKTEXT_SCROLL_UNITS;
-	} else {
-	    Tcl_AppendResult(interp, "bad argument \"", arg4,
-		    "\": must be units, pages or pixels", (char *) NULL);
-	    return TKTEXT_SCROLL_ERROR;
 	}
     }
-    Tcl_AppendResult(interp, "unknown option \"", arg2,
-	    "\": must be moveto or scroll", (char *) NULL);
+    Tcl_Panic("unexpected switch fallthrough");
     return TKTEXT_SCROLL_ERROR;
 }
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
diff --git a/generic/tkTextImage.c b/generic/tkTextImage.c
index 767fef9..474e941 100644
--- a/generic/tkTextImage.c
+++ b/generic/tkTextImage.c
@@ -9,7 +9,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkTextImage.c,v 1.16 2005/10/10 10:36:35 vincentdarley Exp $
+ * RCS: @(#) $Id: tkTextImage.c,v 1.17 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tk.h"
@@ -73,7 +73,7 @@ static Tk_SegType tkTextEmbImageType = {
  */
 
 static char *alignStrings[] = {
-    "baseline", "bottom", "center", "top", (char *) NULL
+    "baseline", "bottom", "center", "top", NULL
 };
 
 typedef enum {
@@ -85,20 +85,18 @@ typedef enum {
  */
 
 static Tk_OptionSpec optionSpecs[] = {
-    {TK_OPTION_STRING_TABLE, "-align", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING_TABLE, "-align", NULL, NULL,
 	"center", -1, Tk_Offset(TkTextEmbImage, align),
 	0, (ClientData) alignStrings, 0},
-    {TK_OPTION_PIXELS, "-padx", (char *) NULL, (char *) NULL,
-	"0", -1, Tk_Offset(TkTextEmbImage, padX),
-	0, 0, 0},
-    {TK_OPTION_PIXELS, "-pady", (char *) NULL, (char *) NULL,
-	"0", -1, Tk_Offset(TkTextEmbImage, padY),
-	0, 0, 0},
-    {TK_OPTION_STRING, "-image", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextEmbImage, imageString),
+    {TK_OPTION_PIXELS, "-padx", NULL, NULL,
+	"0", -1, Tk_Offset(TkTextEmbImage, padX), 0, 0, 0},
+    {TK_OPTION_PIXELS, "-pady", NULL, NULL,
+	"0", -1, Tk_Offset(TkTextEmbImage, padY), 0, 0, 0},
+    {TK_OPTION_STRING, "-image", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextEmbImage, imageString),
 	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING, "-name", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextEmbImage, imageName),
+    {TK_OPTION_STRING, "-name", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextEmbImage, imageName),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_END}
 };
@@ -122,11 +120,11 @@ static Tk_OptionSpec optionSpecs[] = {
  */
 
 int
-TkTextImageCmd(textPtr, interp, objc, objv)
-    register TkText *textPtr;	/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextImageCmd(
+    register TkText *textPtr,	/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "image". */
 {
@@ -159,10 +157,10 @@ TkTextImageCmd(textPtr, interp, objc, objv)
 	if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
 	    return TCL_ERROR;
 	}
-	eiPtr = TkTextIndexToSeg(&index, (int *) NULL);
+	eiPtr = TkTextIndexToSeg(&index, NULL);
 	if (eiPtr->typePtr != &tkTextEmbImageType) {
 	    Tcl_AppendResult(interp, "no embedded image at index \"",
-		    Tcl_GetString(objv[3]), "\"", (char *) NULL);
+		    Tcl_GetString(objv[3]), "\"", NULL);
 	    return TCL_ERROR;
 	}
 	objPtr = Tk_GetOptionValue(interp, (char *) &eiPtr->body.ei,
@@ -182,16 +180,16 @@ TkTextImageCmd(textPtr, interp, objc, objv)
 	if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
 	    return TCL_ERROR;
 	}
-	eiPtr = TkTextIndexToSeg(&index, (int *) NULL);
+	eiPtr = TkTextIndexToSeg(&index, NULL);
 	if (eiPtr->typePtr != &tkTextEmbImageType) {
 	    Tcl_AppendResult(interp, "no embedded image at index \"",
-		    Tcl_GetString(objv[3]), "\"", (char *) NULL);
+		    Tcl_GetString(objv[3]), "\"", NULL);
 	    return TCL_ERROR;
 	}
 	if (objc <= 5) {
-	    Tcl_Obj* objPtr = Tk_GetOptionInfo(interp,
+	    Tcl_Obj *objPtr = Tk_GetOptionInfo(interp,
 		    (char *) &eiPtr->body.ei, eiPtr->body.ei.optionTable,
-		    (objc == 5) ? objv[4] : (Tcl_Obj *) NULL, textPtr->tkwin);
+		    (objc == 5) ? objv[4] : NULL, textPtr->tkwin);
 	    if (objPtr == NULL) {
 		return TCL_ERROR;
 	    } else {
@@ -316,19 +314,18 @@ TkTextImageCmd(textPtr, interp, objc, objv)
  */
 
 static int
-EmbImageConfigure(textPtr, eiPtr, objc, objv)
-    TkText *textPtr;		/* Information about text widget that contains
+EmbImageConfigure(
+    TkText *textPtr,		/* Information about text widget that contains
 				 * embedded image. */
-    TkTextSegment *eiPtr;	/* Embedded image to be configured. */
-    int objc;			/* Number of strings in objv. */
-    Tcl_Obj *CONST objv[];	/* Array of strings describing configuration
+    TkTextSegment *eiPtr,	/* Embedded image to be configured. */
+    int objc,			/* Number of strings in objv. */
+    Tcl_Obj *CONST objv[])	/* Array of strings describing configuration
 				 * options. */
 {
     Tk_Image image;
     Tcl_DString newName;
     Tcl_HashEntry *hPtr;
     Tcl_HashSearch search;
-    int new;
     char *name;
     int count = 0;		/* The counter for picking a unique name */
     int conflict = 0;		/* True if we have a name conflict */
@@ -376,9 +373,9 @@ EmbImageConfigure(textPtr, eiPtr, objc, objv)
     	name = eiPtr->body.ei.imageString;
     }
     if (name == NULL) {
-	Tcl_AppendResult(textPtr->interp,"Either a \"-name\" ",
+	Tcl_AppendResult(textPtr->interp, "Either a \"-name\" ",
 		"or a \"-image\" argument must be provided ",
-		"to the \"image create\" subcommand.", (char *) NULL);
+		"to the \"image create\" subcommand.", NULL);
 	return TCL_ERROR;
     }
     len = strlen(name);
@@ -388,10 +385,11 @@ EmbImageConfigure(textPtr, eiPtr, objc, objv)
 		Tcl_GetHashKey(&textPtr->sharedTextPtr->imageTable, hPtr);
 
 	if (strncmp(name, haveName, len) == 0) {
-	    new = 0;
-	    sscanf(haveName+len, "#%d", &new);
-	    if (new > count) {
-		count = new;
+	    int newVal = 0;
+
+	    sscanf(haveName+len, "#%d", &newVal);
+	    if (newVal > count) {
+		count = newVal;
 	    }
 	    if (len == strlen(haveName)) {
 	    	conflict = 1;
@@ -400,7 +398,7 @@ EmbImageConfigure(textPtr, eiPtr, objc, objv)
     }
 
     Tcl_DStringInit(&newName);
-    Tcl_DStringAppend(&newName,name, -1);
+    Tcl_DStringAppend(&newName, name, -1);
 
     if (conflict) {
     	char buf[4 + TCL_INTEGER_SPACE];
@@ -409,11 +407,16 @@ EmbImageConfigure(textPtr, eiPtr, objc, objv)
 	Tcl_DStringAppend(&newName, buf, -1);
     }
     name = Tcl_DStringValue(&newName);
-    hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->imageTable, name,&new);
+    {
+	int dummy;
+
+	hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->imageTable, name,
+		&dummy);
+    }
     Tcl_SetHashValue(hPtr, eiPtr);
-    Tcl_AppendResult(textPtr->interp, name , (char *) NULL);
+    Tcl_AppendResult(textPtr->interp, name, NULL);
     eiPtr->body.ei.name = ckalloc((unsigned) Tcl_DStringLength(&newName)+1);
-    strcpy(eiPtr->body.ei.name,name);
+    strcpy(eiPtr->body.ei.name, name);
     Tcl_DStringFree(&newName);
 
     return TCL_OK;
@@ -439,10 +442,10 @@ EmbImageConfigure(textPtr, eiPtr, objc, objv)
 
 	/* ARGSUSED */
 static int
-EmbImageDeleteProc(eiPtr, linePtr, treeGone)
-    TkTextSegment *eiPtr;	/* Segment being deleted. */
-    TkTextLine *linePtr;	/* Line containing segment. */
-    int treeGone;		/* Non-zero means the entire tree is being
+EmbImageDeleteProc(
+    TkTextSegment *eiPtr,	/* Segment being deleted. */
+    TkTextLine *linePtr,	/* Line containing segment. */
+    int treeGone)		/* Non-zero means the entire tree is being
 				 * deleted, so everything must get cleaned
 				 * up. */
 {
@@ -492,9 +495,9 @@ EmbImageDeleteProc(eiPtr, linePtr, treeGone)
  */
 
 static TkTextSegment *
-EmbImageCleanupProc(eiPtr, linePtr)
-    TkTextSegment *eiPtr;	/* Mark segment that's being moved. */
-    TkTextLine *linePtr;	/* Line that now contains segment. */
+EmbImageCleanupProc(
+    TkTextSegment *eiPtr,	/* Mark segment that's being moved. */
+    TkTextLine *linePtr)	/* Line that now contains segment. */
 {
     eiPtr->body.ei.linePtr = linePtr;
     return eiPtr;
@@ -519,23 +522,22 @@ EmbImageCleanupProc(eiPtr, linePtr)
 
 	/*ARGSUSED*/
 static int
-EmbImageLayoutProc(textPtr, indexPtr, eiPtr, offset, maxX, maxChars,
-	noCharsYet, wrapMode, chunkPtr)
-    TkText *textPtr;		/* Text widget being layed out. */
-    TkTextIndex *indexPtr;	/* Identifies first character in chunk. */
-    TkTextSegment *eiPtr;	/* Segment corresponding to indexPtr. */
-    int offset;			/* Offset within segPtr corresponding to
+EmbImageLayoutProc(
+    TkText *textPtr,		/* Text widget being layed out. */
+    TkTextIndex *indexPtr,	/* Identifies first character in chunk. */
+    TkTextSegment *eiPtr,	/* Segment corresponding to indexPtr. */
+    int offset,			/* Offset within segPtr corresponding to
 				 * indexPtr (always 0). */
-    int maxX;			/* Chunk must not occupy pixels at this
+    int maxX,			/* Chunk must not occupy pixels at this
 				 * position or higher. */
-    int maxChars;		/* Chunk must not include more than this many
+    int maxChars,		/* Chunk must not include more than this many
 				 * characters. */
-    int noCharsYet;		/* Non-zero means no characters have been
+    int noCharsYet,		/* Non-zero means no characters have been
 				 * assigned to this line yet. */
-    TkWrapMode wrapMode;	/* Wrap mode to use for line:
+    TkWrapMode wrapMode,	/* Wrap mode to use for line:
 				 * TEXT_WRAPMODE_CHAR, TEXT_WRAPMODE_NONE, or
 				 * TEXT_WRAPMODE_WORD. */
-    register TkTextDispChunk *chunkPtr;
+    register TkTextDispChunk *chunkPtr)
 				/* Structure to fill in with information about
 				 * this chunk. The x field has already been
 				 * set by the caller. */
@@ -568,8 +570,8 @@ EmbImageLayoutProc(textPtr, indexPtr, eiPtr, offset, maxX, maxChars,
      */
 
     chunkPtr->displayProc = EmbImageDisplayProc;
-    chunkPtr->undisplayProc = (Tk_ChunkUndisplayProc *) NULL;
-    chunkPtr->measureProc = (Tk_ChunkMeasureProc *) NULL;
+    chunkPtr->undisplayProc = NULL;
+    chunkPtr->measureProc = NULL;
     chunkPtr->bboxProc = EmbImageBboxProc;
     chunkPtr->numBytes = 1;
     if (eiPtr->body.ei.align == ALIGN_BASELINE) {
@@ -608,9 +610,9 @@ EmbImageLayoutProc(textPtr, indexPtr, eiPtr, offset, maxX, maxChars,
  */
 
 static void
-EmbImageCheckProc(eiPtr, linePtr)
-    TkTextSegment *eiPtr;	/* Segment to check. */
-    TkTextLine *linePtr;	/* Line containing segment. */
+EmbImageCheckProc(
+    TkTextSegment *eiPtr,	/* Segment to check. */
+    TkTextLine *linePtr)	/* Line containing segment. */
 {
     if (eiPtr->nextPtr == NULL) {
 	Tcl_Panic("EmbImageCheckProc: embedded image is last segment in line");
@@ -640,21 +642,20 @@ EmbImageCheckProc(eiPtr, linePtr)
  */
 
 static void
-EmbImageDisplayProc(textPtr, chunkPtr, x, y, lineHeight, baseline, display,
-	dst, screenY)
-    TkText *textPtr;
-    TkTextDispChunk *chunkPtr;	/* Chunk that is to be drawn. */
-    int x;			/* X-position in dst at which to draw this
+EmbImageDisplayProc(
+    TkText *textPtr,
+    TkTextDispChunk *chunkPtr,	/* Chunk that is to be drawn. */
+    int x,			/* X-position in dst at which to draw this
 				 * chunk (differs from the x-position in the
 				 * chunk because of scrolling). */
-    int y;			/* Top of rectangular bounding box for line:
+    int y,			/* Top of rectangular bounding box for line:
 				 * tells where to draw this chunk in dst
 				 * (x-position is in the chunk itself). */
-    int lineHeight;		/* Total height of line. */
-    int baseline;		/* Offset of baseline from y. */
-    Display *display;		/* Display to use for drawing. */
-    Drawable dst;		/* Pixmap or window in which to draw */
-    int screenY;		/* Y-coordinate in text window that
+    int lineHeight,		/* Total height of line. */
+    int baseline,		/* Offset of baseline from y. */
+    Display *display,		/* Display to use for drawing. */
+    Drawable dst,		/* Pixmap or window in which to draw */
+    int screenY)		/* Y-coordinate in text window that
 				 * corresponds to y. */
 {
     TkTextSegment *eiPtr = (TkTextSegment *) chunkPtr->clientData;
@@ -704,22 +705,21 @@ EmbImageDisplayProc(textPtr, chunkPtr, x, y, lineHeight, baseline, display,
  */
 
 static void
-EmbImageBboxProc(textPtr, chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
-	widthPtr, heightPtr)
-    TkText *textPtr;
-    TkTextDispChunk *chunkPtr;	/* Chunk containing desired char. */
-    int index;			/* Index of desired character within the
+EmbImageBboxProc(
+    TkText *textPtr,
+    TkTextDispChunk *chunkPtr,	/* Chunk containing desired char. */
+    int index,			/* Index of desired character within the
 				 * chunk. */
-    int y;			/* Topmost pixel in area allocated for this
+    int y,			/* Topmost pixel in area allocated for this
 				 * line. */
-    int lineHeight;		/* Total height of line. */
-    int baseline;		/* Location of line's baseline, in pixels
+    int lineHeight,		/* Total height of line. */
+    int baseline,		/* Location of line's baseline, in pixels
 				 * measured down from y. */
-    int *xPtr, *yPtr;		/* Gets filled in with coords of character's
+    int *xPtr, int *yPtr,	/* Gets filled in with coords of character's
 				 * upper-left pixel. */
-    int *widthPtr;		/* Gets filled in with width of image, in
+    int *widthPtr,		/* Gets filled in with width of image, in
 				 * pixels. */
-    int *heightPtr;		/* Gets filled in with height of image, in
+    int *heightPtr)		/* Gets filled in with height of image, in
 				 * pixels. */
 {
     TkTextSegment *eiPtr = (TkTextSegment *) chunkPtr->clientData;
@@ -771,10 +771,10 @@ EmbImageBboxProc(textPtr, chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
  */
 
 int
-TkTextImageIndex(textPtr, name, indexPtr)
-    TkText *textPtr;		/* Text widget containing image. */
-    CONST char *name;		/* Name of image. */
-    TkTextIndex *indexPtr;	/* Index information gets stored here. */
+TkTextImageIndex(
+    TkText *textPtr,		/* Text widget containing image. */
+    CONST char *name,		/* Name of image. */
+    TkTextIndex *indexPtr)	/* Index information gets stored here. */
 {
     Tcl_HashEntry *hPtr;
     TkTextSegment *eiPtr;
@@ -808,13 +808,13 @@ TkTextImageIndex(textPtr, name, indexPtr)
  */
 
 static void
-EmbImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
-    ClientData clientData;	/* Pointer to widget record. */
-    int x, y;			/* Upper left pixel (within image) that must
+EmbImageProc(
+    ClientData clientData,	/* Pointer to widget record. */
+    int x, int y,		/* Upper left pixel (within image) that must
 				 * be redisplayed. */
-    int width, height;		/* Dimensions of area to redisplay (may be
+    int width, int height,	/* Dimensions of area to redisplay (may be
 				 * <= 0). */
-    int imgWidth, imgHeight;	/* New dimensions of image. */
+    int imgWidth, int imgHeight)/* New dimensions of image. */
 
 {
     TkTextSegment *eiPtr = (TkTextSegment *) clientData;
@@ -834,3 +834,11 @@ EmbImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
     TkTextInvalidateLineMetrics(eiPtr->body.ei.sharedTextPtr, NULL,
 	    index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
 }
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
diff --git a/generic/tkTextMark.c b/generic/tkTextMark.c
index 4354ede..50aa4af 100644
--- a/generic/tkTextMark.c
+++ b/generic/tkTextMark.c
@@ -1,16 +1,16 @@
-/* 
+/*
  * tkTextMark.c --
  *
- *	This file contains the procedure that implement marks for
- *	text widgets.
+ *	This file contains the functions that implement marks for text
+ *	widgets.
  *
  * Copyright (c) 1994 The Regents of the University of California.
  * Copyright (c) 1994-1997 Sun Microsystems, Inc.
  *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkTextMark.c,v 1.15 2005/10/10 10:36:35 vincentdarley Exp $
+ * RCS: @(#) $Id: tkTextMark.c,v 1.16 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkInt.h"
@@ -25,26 +25,25 @@
 	+ sizeof(TkTextMark)))
 
 /*
- * Forward references for procedures defined in this file:
+ * Forward references for functions defined in this file:
  */
 
-static void		InsertUndisplayProc _ANSI_ARGS_((TkText *textPtr,
-			    TkTextDispChunk *chunkPtr));
-static int		MarkDeleteProc _ANSI_ARGS_((TkTextSegment *segPtr,
-			    TkTextLine *linePtr, int treeGone));
-static TkTextSegment *	MarkCleanupProc _ANSI_ARGS_((TkTextSegment *segPtr,
-			    TkTextLine *linePtr));
-static void		MarkCheckProc _ANSI_ARGS_((TkTextSegment *segPtr,
-			    TkTextLine *linePtr));
-static int		MarkLayoutProc _ANSI_ARGS_((TkText *textPtr,
-			    TkTextIndex *indexPtr, TkTextSegment *segPtr,
-			    int offset, int maxX, int maxChars,
-			    int noCharsYet, TkWrapMode wrapMode,
-			    TkTextDispChunk *chunkPtr));
-static int		MarkFindNext _ANSI_ARGS_((Tcl_Interp *interp,
-			    TkText *textPtr, CONST char *markName));
-static int		MarkFindPrev _ANSI_ARGS_((Tcl_Interp *interp,
-			    TkText *textPtr, CONST char *markName));
+static void		InsertUndisplayProc(TkText *textPtr,
+			    TkTextDispChunk *chunkPtr);
+static int		MarkDeleteProc(TkTextSegment *segPtr,
+			    TkTextLine *linePtr, int treeGone);
+static TkTextSegment *	MarkCleanupProc(TkTextSegment *segPtr,
+			    TkTextLine *linePtr);
+static void		MarkCheckProc(TkTextSegment *segPtr,
+			    TkTextLine *linePtr);
+static int		MarkLayoutProc(TkText *textPtr, TkTextIndex *indexPtr,
+			    TkTextSegment *segPtr, int offset, int maxX,
+			    int maxChars, int noCharsYet, TkWrapMode wrapMode,
+			    TkTextDispChunk *chunkPtr);
+static int		MarkFindNext(Tcl_Interp *interp,
+			    TkText *textPtr, CONST char *markName);
+static int		MarkFindPrev(Tcl_Interp *interp,
+			    TkText *textPtr, CONST char *markName);
 
 
 /*
@@ -55,25 +54,25 @@ static int		MarkFindPrev _ANSI_ARGS_((Tcl_Interp *interp,
  */
 
 Tk_SegType tkTextRightMarkType = {
-    "mark",					/* name */
-    0,						/* leftGravity */
-    (Tk_SegSplitProc *) NULL,			/* splitProc */
-    MarkDeleteProc,				/* deleteProc */
-    MarkCleanupProc,				/* cleanupProc */
-    (Tk_SegLineChangeProc *) NULL,		/* lineChangeProc */
-    MarkLayoutProc,				/* layoutProc */
-    MarkCheckProc				/* checkProc */
+    "mark",			/* name */
+    0,				/* leftGravity */
+    NULL,			/* splitProc */
+    MarkDeleteProc,		/* deleteProc */
+    MarkCleanupProc,		/* cleanupProc */
+    NULL,			/* lineChangeProc */
+    MarkLayoutProc,		/* layoutProc */
+    MarkCheckProc		/* checkProc */
 };
 
 Tk_SegType tkTextLeftMarkType = {
-    "mark",					/* name */
-    1,						/* leftGravity */
-    (Tk_SegSplitProc *) NULL,			/* splitProc */
-    MarkDeleteProc,				/* deleteProc */
-    MarkCleanupProc,				/* cleanupProc */
-    (Tk_SegLineChangeProc *) NULL,		/* lineChangeProc */
-    MarkLayoutProc,				/* layoutProc */
-    MarkCheckProc				/* checkProc */
+    "mark",			/* name */
+    1,				/* leftGravity */
+    NULL,			/* splitProc */
+    MarkDeleteProc,		/* deleteProc */
+    MarkCleanupProc,		/* cleanupProc */
+    NULL,			/* lineChangeProc */
+    MarkLayoutProc,		/* layoutProc */
+    MarkCheckProc		/* checkProc */
 };
 
 /*
@@ -81,9 +80,9 @@ Tk_SegType tkTextLeftMarkType = {
  *
  * TkTextMarkCmd --
  *
- *	This procedure is invoked to process the "mark" options of
- *	the widget command for text widgets. See the user documentation
- *	for details on what it does.
+ *	This function is invoked to process the "mark" options of the widget
+ *	command for text widgets. See the user documentation for details on
+ *	what it does.
  *
  * Results:
  *	A standard Tcl result.
@@ -95,11 +94,11 @@ Tk_SegType tkTextLeftMarkType = {
  */
 
 int
-TkTextMarkCmd(textPtr, interp, objc, objv)
-    register TkText *textPtr;	/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextMarkCmd(
+    register TkText *textPtr,	/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "mark". */
 {
@@ -110,13 +109,13 @@ TkTextMarkCmd(textPtr, interp, objc, objv)
     Tk_SegType *newTypePtr;
 
     int optionIndex;
-    
+
     static CONST char *markOptionStrings[] = {
-	"gravity", "names", "next", "previous", "set", 
-	"unset", (char *) NULL 
+	"gravity", "names", "next", "previous", "set",
+	"unset", NULL
     };
     enum markOptions {
-	MARK_GRAVITY, MARK_NAMES, MARK_NEXT, MARK_PREVIOUS, 
+	MARK_GRAVITY, MARK_NAMES, MARK_NEXT, MARK_PREVIOUS,
 	MARK_SET, MARK_UNSET
     };
 
@@ -124,120 +123,120 @@ TkTextMarkCmd(textPtr, interp, objc, objv)
 	Tcl_WrongNumArgs(interp, 2, objv, "option ?arg arg ...?");
 	return TCL_ERROR;
     }
-    if (Tcl_GetIndexFromObj(interp, objv[2], markOptionStrings, 
-			    "mark option", 0, &optionIndex) != TCL_OK) {
+    if (Tcl_GetIndexFromObj(interp, objv[2], markOptionStrings, "mark option",
+	    0, &optionIndex) != TCL_OK) {
 	return TCL_ERROR;
     }
 
     switch ((enum markOptions)optionIndex) {
-	case MARK_GRAVITY: {
-	    char c;
-	    int length;
-	    char *str;
-	    
-	    if (objc < 4 || objc > 5) {
-		Tcl_WrongNumArgs(interp, 3, objv, "markName ?gravity?");
+    case MARK_GRAVITY: {
+	char c;
+	int length;
+	char *str;
+
+	if (objc < 4 || objc > 5) {
+	    Tcl_WrongNumArgs(interp, 3, objv, "markName ?gravity?");
+	    return TCL_ERROR;
+	}
+	str = Tcl_GetStringFromObj(objv[3],&length);
+	if (length == 6 && !strcmp(str, "insert")) {
+	    markPtr = textPtr->insertMarkPtr;
+	} else if (length == 7 && !strcmp(str, "current")) {
+	    markPtr = textPtr->currentMarkPtr;
+	} else {
+	    hPtr = Tcl_FindHashEntry(&textPtr->sharedTextPtr->markTable, str);
+	    if (hPtr == NULL) {
+		Tcl_AppendResult(interp, "there is no mark named \"",
+			Tcl_GetString(objv[3]), "\"", NULL);
 		return TCL_ERROR;
 	    }
-	    str = Tcl_GetStringFromObj(objv[3],&length);
-	    if (length == 6 && !strcmp(str, "insert")) {
-		markPtr = textPtr->insertMarkPtr;
-	    } else if (length == 7 && !strcmp(str, "current")) {
-		markPtr = textPtr->currentMarkPtr;
-	    } else {
-		hPtr = Tcl_FindHashEntry(&textPtr->sharedTextPtr->markTable, str);
-		if (hPtr == NULL) {
-		    Tcl_AppendResult(interp, "there is no mark named \"",
-				     Tcl_GetString(objv[3]), "\"", (char *) NULL);
-		    return TCL_ERROR;
-		}
-		markPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
-	    }
-	    if (objc == 4) {
-		if (markPtr->typePtr == &tkTextRightMarkType) {
-		    Tcl_SetResult(interp, "right", TCL_STATIC);
-		} else {
-		    Tcl_SetResult(interp, "left", TCL_STATIC);
-		}
-		return TCL_OK;
-	    }
-	    str = Tcl_GetStringFromObj(objv[4],&length);
-	    c = str[0];
-	    if ((c == 'l') && (strncmp(str, "left", (unsigned)length) == 0)) {
-		newTypePtr = &tkTextLeftMarkType;
-	    } else if ((c == 'r') &&
-		    (strncmp(str, "right", (unsigned)length) == 0)) {
-		newTypePtr = &tkTextRightMarkType;
+	    markPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
+	}
+	if (objc == 4) {
+	    if (markPtr->typePtr == &tkTextRightMarkType) {
+		Tcl_SetResult(interp, "right", TCL_STATIC);
 	    } else {
-		Tcl_AppendResult(interp, "bad mark gravity \"", str, 
-				 "\": must be left or right", (char *) NULL);
-		return TCL_ERROR;
+		Tcl_SetResult(interp, "left", TCL_STATIC);
 	    }
-	    TkTextMarkSegToIndex(textPtr, markPtr, &index);
-	    TkBTreeUnlinkSegment(markPtr, markPtr->body.mark.linePtr);
-	    markPtr->typePtr = newTypePtr;
-	    TkBTreeLinkSegment(markPtr, &index);
-	    break;
+	    return TCL_OK;
 	}
-	case MARK_NAMES: {
-	    if (objc != 3) {
-		Tcl_WrongNumArgs(interp, 3, objv, NULL);
-		return TCL_ERROR;
-	    }
-	    Tcl_AppendElement(interp, "insert");
-	    Tcl_AppendElement(interp, "current");
-	    for (hPtr = Tcl_FirstHashEntry(&textPtr->sharedTextPtr->markTable, &search);
-		    hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
-		Tcl_AppendElement(interp,
-			Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable, hPtr));
-	    }
-	    break;
+	str = Tcl_GetStringFromObj(objv[4],&length);
+	c = str[0];
+	if ((c == 'l') && (strncmp(str, "left", (unsigned)length) == 0)) {
+	    newTypePtr = &tkTextLeftMarkType;
+	} else if ((c == 'r') &&
+		(strncmp(str, "right", (unsigned)length) == 0)) {
+	    newTypePtr = &tkTextRightMarkType;
+	} else {
+	    Tcl_AppendResult(interp, "bad mark gravity \"", str,
+		    "\": must be left or right", NULL);
+	    return TCL_ERROR;
 	}
-	case MARK_NEXT: {
-	    if (objc != 4) {
-		Tcl_WrongNumArgs(interp, 3, objv, "index");
-		return TCL_ERROR;
-	    }
-	    return MarkFindNext(interp, textPtr, Tcl_GetString(objv[3]));
+	TkTextMarkSegToIndex(textPtr, markPtr, &index);
+	TkBTreeUnlinkSegment(markPtr, markPtr->body.mark.linePtr);
+	markPtr->typePtr = newTypePtr;
+	TkBTreeLinkSegment(markPtr, &index);
+	break;
+    }
+    case MARK_NAMES:
+	if (objc != 3) {
+	    Tcl_WrongNumArgs(interp, 3, objv, NULL);
+	    return TCL_ERROR;
 	}
-	case MARK_PREVIOUS: {
-	    if (objc != 4) {
-		Tcl_WrongNumArgs(interp, 3, objv, "index");
-		return TCL_ERROR;
-	    }
-	    return MarkFindPrev(interp, textPtr, Tcl_GetString(objv[3]));
+	Tcl_AppendElement(interp, "insert");
+	Tcl_AppendElement(interp, "current");
+	for (hPtr = Tcl_FirstHashEntry(&textPtr->sharedTextPtr->markTable,
+		&search); hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
+	    Tcl_AppendElement(interp,
+		    Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable, hPtr));
 	}
-	case MARK_SET: {
-	    if (objc != 5) {
-		Tcl_WrongNumArgs(interp, 3, objv, "markName index");
-		return TCL_ERROR;
-	    }
-	    if (TkTextGetObjIndex(interp, textPtr, objv[4], &index) != TCL_OK) {
-		return TCL_ERROR;
-	    }
-	    TkTextSetMark(textPtr, Tcl_GetString(objv[3]), &index);
-	    return TCL_OK;
+	break;
+    case MARK_NEXT:
+	if (objc != 4) {
+	    Tcl_WrongNumArgs(interp, 3, objv, "index");
+	    return TCL_ERROR;
+	}
+	return MarkFindNext(interp, textPtr, Tcl_GetString(objv[3]));
+    case MARK_PREVIOUS:
+	if (objc != 4) {
+	    Tcl_WrongNumArgs(interp, 3, objv, "index");
+	    return TCL_ERROR;
+	}
+	return MarkFindPrev(interp, textPtr, Tcl_GetString(objv[3]));
+    case MARK_SET:
+	if (objc != 5) {
+	    Tcl_WrongNumArgs(interp, 3, objv, "markName index");
+	    return TCL_ERROR;
 	}
-	case MARK_UNSET: {
-	    int i;
-	    for (i = 3; i < objc; i++) {
-		hPtr = Tcl_FindHashEntry(&textPtr->sharedTextPtr->markTable, 
-					 Tcl_GetString(objv[i]));
-		if (hPtr != NULL) {
-		    markPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
-		    /* Special case not needed with peer widgets */
-		    if ((markPtr == textPtr->insertMarkPtr)
-			    || (markPtr == textPtr->currentMarkPtr)) {
-			continue;
-		    }
-		    TkBTreeUnlinkSegment(markPtr, markPtr->body.mark.linePtr);
-		    Tcl_DeleteHashEntry(hPtr);
-		    ckfree((char *) markPtr);
+	if (TkTextGetObjIndex(interp, textPtr, objv[4], &index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	TkTextSetMark(textPtr, Tcl_GetString(objv[3]), &index);
+	return TCL_OK;
+    case MARK_UNSET: {
+	int i;
+
+	for (i = 3; i < objc; i++) {
+	    hPtr = Tcl_FindHashEntry(&textPtr->sharedTextPtr->markTable,
+		    Tcl_GetString(objv[i]));
+	    if (hPtr != NULL) {
+		markPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
+
+		/*
+		 * Special case not needed with peer widgets.
+		 */
+
+		if ((markPtr == textPtr->insertMarkPtr)
+			|| (markPtr == textPtr->currentMarkPtr)) {
+		    continue;
 		}
+		TkBTreeUnlinkSegment(markPtr, markPtr->body.mark.linePtr);
+		Tcl_DeleteHashEntry(hPtr);
+		ckfree((char *) markPtr);
 	    }
-	    break;
 	}
-	
+	break;
+    }
     }
     return TCL_OK;
 }
@@ -247,8 +246,8 @@ TkTextMarkCmd(textPtr, interp, objc, objv)
  *
  * TkTextSetMark --
  *
- *	Set a mark to a particular position, creating a new mark if
- *	one doesn't already exist.
+ *	Set a mark to a particular position, creating a new mark if one
+ *	doesn't already exist.
  *
  * Results:
  *	The return value is a pointer to the mark that was just set.
@@ -260,50 +259,54 @@ TkTextMarkCmd(textPtr, interp, objc, objv)
  */
 
 TkTextSegment *
-TkTextSetMark(textPtr, name, indexPtr)
-    TkText *textPtr;		/* Text widget in which to create mark. */
-    CONST char *name;		/* Name of mark to set. */
-    TkTextIndex *indexPtr;	/* Where to set mark. */
+TkTextSetMark(
+    TkText *textPtr,		/* Text widget in which to create mark. */
+    CONST char *name,		/* Name of mark to set. */
+    TkTextIndex *indexPtr)	/* Where to set mark. */
 {
     Tcl_HashEntry *hPtr = NULL;
     TkTextSegment *markPtr;
     TkTextIndex insertIndex;
-    int new;
+    int isNew;
     int widgetSpecific;
-    
+
     if (!strcmp(name, "insert")) {
 	widgetSpecific = 1;
 	markPtr = textPtr->insertMarkPtr;
-	new = (markPtr == NULL ? 1 : 0);
+	isNew = (markPtr == NULL ? 1 : 0);
     } else if (!strcmp(name, "current")) {
 	widgetSpecific = 2;
 	markPtr = textPtr->currentMarkPtr;
-	new = (markPtr == NULL ? 1 : 0);
+	isNew = (markPtr == NULL ? 1 : 0);
     } else {
 	widgetSpecific = 0;
-	hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->markTable, name, &new);
+	hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->markTable, name,
+		&isNew);
 	markPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
     }
-    if (!new) {
+    if (!isNew) {
 	/*
-	 * If this is the insertion point that's being moved, be sure
-	 * to force a display update at the old position.  Also, don't
-	 * let the insertion cursor be after the final newline of the
-	 * file.
+	 * If this is the insertion point that's being moved, be sure to force
+	 * a display update at the old position. Also, don't let the insertion
+	 * cursor be after the final newline of the file.
 	 */
 
 	if (markPtr == textPtr->insertMarkPtr) {
 	    TkTextIndex index, index2;
+
 	    TkTextMarkSegToIndex(textPtr, textPtr->insertMarkPtr, &index);
 	    TkTextIndexForwChars(NULL,&index, 1, &index2, COUNT_INDICES);
-	    /* 
-	     * While we wish to redisplay, no heights have changed, so
-	     * no need to call TkTextInvalidateLineMetrics.
+
+	    /*
+	     * While we wish to redisplay, no heights have changed, so no need
+	     * to call TkTextInvalidateLineMetrics.
 	     */
+
 	    TkTextChanged(NULL, textPtr, &index, &index2);
-	    if (TkBTreeLinesTo(textPtr, indexPtr->linePtr)
-		    == TkBTreeNumLines(textPtr->sharedTextPtr->tree, textPtr))  {
-		TkTextIndexBackChars(NULL,indexPtr, 1, &insertIndex, COUNT_INDICES);
+	    if (TkBTreeLinesTo(textPtr, indexPtr->linePtr) ==
+		    TkBTreeNumLines(textPtr->sharedTextPtr->tree, textPtr))  {
+		TkTextIndexBackChars(NULL,indexPtr, 1, &insertIndex,
+			COUNT_INDICES);
 		indexPtr = &insertIndex;
 	    }
 	}
@@ -334,10 +337,12 @@ TkTextSetMark(textPtr, name, indexPtr)
 	TkTextIndex index2;
 
 	TkTextIndexForwChars(NULL,indexPtr, 1, &index2, COUNT_INDICES);
-	/* 
-	 * While we wish to redisplay, no heights have changed, so
-	 * no need to call TkTextInvalidateLineMetrics
+
+	/*
+	 * While we wish to redisplay, no heights have changed, so no need to
+	 * call TkTextInvalidateLineMetrics
 	 */
+
 	TkTextChanged(NULL, textPtr, indexPtr, &index2);
     }
     return markPtr;
@@ -348,9 +353,9 @@ TkTextSetMark(textPtr, name, indexPtr)
  *
  * TkTextMarkSegToIndex --
  *
- *	Given a segment that is a mark, create an index that
- *	refers to the next text character (or other text segment
- *	with non-zero size) after the mark.
+ *	Given a segment that is a mark, create an index that refers to the
+ *	next text character (or other text segment with non-zero size) after
+ *	the mark.
  *
  * Results:
  *	*IndexPtr is filled in with index information.
@@ -362,10 +367,10 @@ TkTextSetMark(textPtr, name, indexPtr)
  */
 
 void
-TkTextMarkSegToIndex(textPtr, markPtr, indexPtr)
-    TkText *textPtr;		/* Text widget containing mark. */
-    TkTextSegment *markPtr;	/* Mark segment. */
-    TkTextIndex *indexPtr;	/* Index information gets stored here.  */
+TkTextMarkSegToIndex(
+    TkText *textPtr,		/* Text widget containing mark. */
+    TkTextSegment *markPtr,	/* Mark segment. */
+    TkTextIndex *indexPtr)	/* Index information gets stored here.  */
 {
     TkTextSegment *segPtr;
 
@@ -383,15 +388,14 @@ TkTextMarkSegToIndex(textPtr, markPtr, indexPtr)
  *
  * TkTextMarkNameToIndex --
  *
- *	Given the name of a mark, return an index corresponding
- *	to the mark name.
+ *	Given the name of a mark, return an index corresponding to the mark
+ *	name.
  *
  * Results:
- *	The return value is TCL_OK if "name" exists as a mark in
- *	the text widget.  In this case *indexPtr is filled in with
- *	the next segment whose after the mark whose size is
- *	non-zero.  TCL_ERROR is returned if the mark doesn't exist
- *	in the text widget.
+ *	The return value is TCL_OK if "name" exists as a mark in the text
+ *	widget. In this case *indexPtr is filled in with the next segment
+ *	whose after the mark whose size is non-zero. TCL_ERROR is returned if
+ *	the mark doesn't exist in the text widget.
  *
  * Side effects:
  *	None.
@@ -400,17 +404,17 @@ TkTextMarkSegToIndex(textPtr, markPtr, indexPtr)
  */
 
 int
-TkTextMarkNameToIndex(textPtr, name, indexPtr)
-    TkText *textPtr;		/* Text widget containing mark. */
-    CONST char *name;		/* Name of mark. */
-    TkTextIndex *indexPtr;	/* Index information gets stored here. */
+TkTextMarkNameToIndex(
+    TkText *textPtr,		/* Text widget containing mark. */
+    CONST char *name,		/* Name of mark. */
+    TkTextIndex *indexPtr)	/* Index information gets stored here. */
 {
     TkTextSegment *segPtr;
 
     if (textPtr == NULL) {
         return TCL_ERROR;
     }
-    
+
     if (!strcmp(name, "insert")) {
 	segPtr = textPtr->insertMarkPtr;
     } else if (!strcmp(name, "current")) {
@@ -432,27 +436,27 @@ TkTextMarkNameToIndex(textPtr, name, indexPtr)
  *
  * MarkDeleteProc --
  *
- *	This procedure is invoked by the text B-tree code whenever
- *	a mark lies in a range of characters being deleted.
+ *	This function is invoked by the text B-tree code whenever a mark lies
+ *	in a range of characters being deleted.
  *
  * Results:
  *	Returns 1 to indicate that deletion has been rejected.
  *
  * Side effects:
- *	None (even if the whole tree is being deleted we don't
- *	free up the mark;  it will be done elsewhere).
+ *	None (even if the whole tree is being deleted we don't free up the
+ *	mark; it will be done elsewhere).
  *
  *--------------------------------------------------------------
  */
 
 	/* ARGSUSED */
 static int
-MarkDeleteProc(segPtr, linePtr, treeGone)
-    TkTextSegment *segPtr;		/* Segment being deleted. */
-    TkTextLine *linePtr;		/* Line containing segment. */
-    int treeGone;			/* Non-zero means the entire tree is
-					 * being deleted, so everything must
-					 * get cleaned up. */
+MarkDeleteProc(
+    TkTextSegment *segPtr,	/* Segment being deleted. */
+    TkTextLine *linePtr,	/* Line containing segment. */
+    int treeGone)		/* Non-zero means the entire tree is being
+				 * deleted, so everything must get cleaned
+				 * up. */
 {
     return 1;
 }
@@ -462,8 +466,8 @@ MarkDeleteProc(segPtr, linePtr, treeGone)
  *
  * MarkCleanupProc --
  *
- *	This procedure is invoked by the B-tree code whenever a
- *	mark segment is moved from one line to another.
+ *	This function is invoked by the B-tree code whenever a mark segment is
+ *	moved from one line to another.
  *
  * Results:
  *	None.
@@ -475,9 +479,9 @@ MarkDeleteProc(segPtr, linePtr, treeGone)
  */
 
 static TkTextSegment *
-MarkCleanupProc(markPtr, linePtr)
-    TkTextSegment *markPtr;		/* Mark segment that's being moved. */
-    TkTextLine *linePtr;		/* Line that now contains segment. */
+MarkCleanupProc(
+    TkTextSegment *markPtr,	/* Mark segment that's being moved. */
+    TkTextLine *linePtr)	/* Line that now contains segment. */
 {
     markPtr->body.mark.linePtr = linePtr;
     return markPtr;
@@ -488,13 +492,13 @@ MarkCleanupProc(markPtr, linePtr)
  *
  * MarkLayoutProc --
  *
- *	This procedure is the "layoutProc" for mark segments.
+ *	This function is the "layoutProc" for mark segments.
  *
  * Results:
- *	If the mark isn't the insertion cursor then the return
- *	value is -1 to indicate that this segment shouldn't be
- *	displayed.  If the mark is the insertion character then
- *	1 is returned and the chunkPtr structure is filled in.
+ *	If the mark isn't the insertion cursor then the return value is -1 to
+ *	indicate that this segment shouldn't be displayed. If the mark is the
+ *	insertion character then 1 is returned and the chunkPtr structure is
+ *	filled in.
  *
  * Side effects:
  *	None, except for filling in chunkPtr.
@@ -504,24 +508,23 @@ MarkCleanupProc(markPtr, linePtr)
 
 	/*ARGSUSED*/
 static int
-MarkLayoutProc(textPtr, indexPtr, segPtr, offset, maxX, maxChars,
-	noCharsYet, wrapMode, chunkPtr)
-    TkText *textPtr;		/* Text widget being layed out. */
-    TkTextIndex *indexPtr;	/* Identifies first character in chunk. */
-    TkTextSegment *segPtr;	/* Segment corresponding to indexPtr. */
-    int offset;			/* Offset within segPtr corresponding to
+MarkLayoutProc(
+    TkText *textPtr,		/* Text widget being layed out. */
+    TkTextIndex *indexPtr,	/* Identifies first character in chunk. */
+    TkTextSegment *segPtr,	/* Segment corresponding to indexPtr. */
+    int offset,			/* Offset within segPtr corresponding to
 				 * indexPtr (always 0). */
-    int maxX;			/* Chunk must not occupy pixels at this
+    int maxX,			/* Chunk must not occupy pixels at this
 				 * position or higher. */
-    int maxChars;		/* Chunk must not include more than this
-				 * many characters. */
-    int noCharsYet;		/* Non-zero means no characters have been
+    int maxChars,		/* Chunk must not include more than this many
+				 * characters. */
+    int noCharsYet,		/* Non-zero means no characters have been
 				 * assigned to this line yet. */
-    TkWrapMode wrapMode;	/* Not used. */
-    register TkTextDispChunk *chunkPtr;
-				/* Structure to fill in with information
-				 * about this chunk.  The x field has already
-				 * been set by the caller. */
+    TkWrapMode wrapMode,	/* Not used. */
+    register TkTextDispChunk *chunkPtr)
+				/* Structure to fill in with information about
+				 * this chunk. The x field has already been
+				 * set by the caller. */
 {
     if (segPtr != textPtr->insertMarkPtr) {
 	return -1;
@@ -529,8 +532,8 @@ MarkLayoutProc(textPtr, indexPtr, segPtr, offset, maxX, maxChars,
 
     chunkPtr->displayProc = TkTextInsertDisplayProc;
     chunkPtr->undisplayProc = InsertUndisplayProc;
-    chunkPtr->measureProc = (Tk_ChunkMeasureProc *) NULL;
-    chunkPtr->bboxProc = (Tk_ChunkBboxProc *) NULL;
+    chunkPtr->measureProc = NULL;
+    chunkPtr->bboxProc = NULL;
     chunkPtr->numBytes = 0;
     chunkPtr->minAscent = 0;
     chunkPtr->minDescent = 0;
@@ -538,9 +541,8 @@ MarkLayoutProc(textPtr, indexPtr, segPtr, offset, maxX, maxChars,
     chunkPtr->width = 0;
 
     /*
-     * Note: can't break a line after the insertion cursor:  this
-     * prevents the insertion cursor from being stranded at the end
-     * of a line.
+     * Note: can't break a line after the insertion cursor: this prevents the
+     * insertion cursor from being stranded at the end of a line.
      */
 
     chunkPtr->breakIndex = -1;
@@ -553,8 +555,7 @@ MarkLayoutProc(textPtr, indexPtr, segPtr, offset, maxX, maxChars,
  *
  * TkTextInsertDisplayProc --
  *
- *	This procedure is called to display the insertion
- *	cursor.
+ *	This function is called to display the insertion cursor.
  *
  * Results:
  *	None.
@@ -567,32 +568,31 @@ MarkLayoutProc(textPtr, indexPtr, segPtr, offset, maxX, maxChars,
 
 	/* ARGSUSED */
 void
-TkTextInsertDisplayProc(textPtr, chunkPtr, x, y, height, baseline, display, 
-			dst, screenY)
-    TkText *textPtr;                    /* The current text widget. */
-    TkTextDispChunk *chunkPtr;		/* Chunk that is to be drawn. */
-    int x;				/* X-position in dst at which to
-					 * draw this chunk (may differ from
-					 * the x-position in the chunk because
-					 * of scrolling). */
-    int y;				/* Y-position at which to draw this
-					 * chunk in dst (x-position is in
-					 * the chunk itself). */
-    int height;				/* Total height of line. */
-    int baseline;			/* Offset of baseline from y. */
-    Display *display;			/* Display to use for drawing. */
-    Drawable dst;			/* Pixmap or window in which to draw
-					 * chunk. */
-    int screenY;			/* Y-coordinate in text window that
-					 * corresponds to y. */
+TkTextInsertDisplayProc(
+    TkText *textPtr,		/* The current text widget. */
+    TkTextDispChunk *chunkPtr,	/* Chunk that is to be drawn. */
+    int x,			/* X-position in dst at which to draw this
+				 * chunk (may differ from the x-position in
+				 * the chunk because of scrolling). */
+    int y,			/* Y-position at which to draw this chunk in
+				 * dst (x-position is in the chunk itself). */
+    int height,			/* Total height of line. */
+    int baseline,		/* Offset of baseline from y. */
+    Display *display,		/* Display to use for drawing. */
+    Drawable dst,		/* Pixmap or window in which to draw chunk. */
+    int screenY)		/* Y-coordinate in text window that
+				 * corresponds to y. */
 {
-    /* We have no need for the clientData */
+    /*
+     * We have no need for the clientData.
+     */
+
     /* TkText *textPtr = (TkText *) chunkPtr->clientData; */
     TkTextIndex index;
     int halfWidth = textPtr->insertWidth/2;
     int rightSideWidth;
     int ix = 0, iy = 0, iw = 0, ih = 0, charWidth = 0;
-      
+
     if(textPtr->insertCursorType) {
 	TkTextMarkSegToIndex(textPtr, textPtr->insertMarkPtr, &index);
 	TkTextIndexBbox(textPtr, &index, &ix, &iy, &iw, &ih, &charWidth);
@@ -600,11 +600,11 @@ TkTextInsertDisplayProc(textPtr, chunkPtr, x, y, height, baseline, display,
     } else {
 	rightSideWidth = halfWidth;
     }
-    
+
     if ((x + rightSideWidth) < 0) {
 	/*
-	 * The insertion cursor is off-screen.
-	 * Indicate caret at 0,0 and return.
+	 * The insertion cursor is off-screen. Indicate caret at 0,0 and
+	 * return.
 	 */
 
 	Tk_SetCaretPos(textPtr->tkwin, 0, 0, height);
@@ -614,11 +614,11 @@ TkTextInsertDisplayProc(textPtr, chunkPtr, x, y, height, baseline, display,
     Tk_SetCaretPos(textPtr->tkwin, x - halfWidth, screenY, height);
 
     /*
-     * As a special hack to keep the cursor visible on mono displays
-     * (or anywhere else that the selection and insertion cursors
-     * have the same color) write the default background in the cursor
-     * area (instead of nothing) when the cursor isn't on.  Otherwise
-     * the selection might hide the cursor.
+     * As a special hack to keep the cursor visible on mono displays (or
+     * anywhere else that the selection and insertion cursors have the same
+     * color) write the default background in the cursor area (instead of
+     * nothing) when the cursor isn't on. Otherwise the selection might hide
+     * the cursor.
      */
 
     if (textPtr->flags & INSERT_ON) {
@@ -637,9 +637,8 @@ TkTextInsertDisplayProc(textPtr, chunkPtr, x, y, height, baseline, display,
  *
  * InsertUndisplayProc --
  *
- *	This procedure is called when the insertion cursor is no
- *	longer at a visible point on the display.  It does nothing
- *	right now.
+ *	This function is called when the insertion cursor is no longer at a
+ *	visible point on the display. It does nothing right now.
  *
  * Results:
  *	None.
@@ -652,10 +651,9 @@ TkTextInsertDisplayProc(textPtr, chunkPtr, x, y, height, baseline, display,
 
 	/* ARGSUSED */
 static void
-InsertUndisplayProc(textPtr, chunkPtr)
-    TkText *textPtr;			/* Overall information about text
-					 * widget. */
-    TkTextDispChunk *chunkPtr;		/* Chunk that is about to be freed. */
+InsertUndisplayProc(
+    TkText *textPtr,		/* Overall information about text widget. */
+    TkTextDispChunk *chunkPtr)	/* Chunk that is about to be freed. */
 {
     return;
 }
@@ -665,23 +663,23 @@ InsertUndisplayProc(textPtr, chunkPtr)
  *
  * MarkCheckProc --
  *
- *	This procedure is invoked by the B-tree code to perform
- *	consistency checks on mark segments.
+ *	This function is invoked by the B-tree code to perform consistency
+ *	checks on mark segments.
  *
  * Results:
  *	None.
  *
  * Side effects:
- *	The procedure panics if it detects anything wrong with
+ *	The function panics if it detects anything wrong with
  *	the mark.
  *
  *--------------------------------------------------------------
  */
 
 static void
-MarkCheckProc(markPtr, linePtr)
-    TkTextSegment *markPtr;		/* Segment to check. */
-    TkTextLine *linePtr;		/* Line containing segment. */
+MarkCheckProc(
+    TkTextSegment *markPtr,	/* Segment to check. */
+    TkTextLine *linePtr)	/* Line containing segment. */
 {
     Tcl_HashSearch search;
     Tcl_HashEntry *hPtr;
@@ -690,9 +688,10 @@ MarkCheckProc(markPtr, linePtr)
 	Tcl_Panic("MarkCheckProc: markPtr->body.mark.linePtr bogus");
     }
 
-    /* 
-     * These two marks are not in the hash table 
+    /*
+     * These two marks are not in the hash table
      */
+
     if (markPtr->body.mark.textPtr->insertMarkPtr == markPtr) {
         return;
     }
@@ -701,11 +700,11 @@ MarkCheckProc(markPtr, linePtr)
     }
 
     /*
-     * Make sure that the mark is still present in the text's mark
-     * hash table.
+     * Make sure that the mark is still present in the text's mark hash table.
      */
 
-    for (hPtr = Tcl_FirstHashEntry(&markPtr->body.mark.textPtr->sharedTextPtr->markTable,
+    for (hPtr = Tcl_FirstHashEntry(
+	    &markPtr->body.mark.textPtr->sharedTextPtr->markTable,
 	    &search); hPtr != markPtr->body.mark.hPtr;
 	    hPtr = Tcl_NextHashEntry(&search)) {
 	if (hPtr == NULL) {
@@ -719,7 +718,7 @@ MarkCheckProc(markPtr, linePtr)
  *
  * MarkFindNext --
  *
- *	This procedure searches forward for the next mark.
+ *	This function searches forward for the next mark.
  *
  * Results:
  *	A standard Tcl result, which is a mark name or an empty string.
@@ -731,10 +730,10 @@ MarkCheckProc(markPtr, linePtr)
  */
 
 static int
-MarkFindNext(interp, textPtr, string)
-    Tcl_Interp *interp;			/* For error reporting */
-    TkText *textPtr;			/* The widget */
-    CONST char *string;			/* The starting index or mark name */
+MarkFindNext(
+    Tcl_Interp *interp,		/* For error reporting */
+    TkText *textPtr,		/* The widget */
+    CONST char *string)		/* The starting index or mark name */
 {
     TkTextIndex index;
     Tcl_HashEntry *hPtr;
@@ -754,32 +753,36 @@ MarkFindNext(interp, textPtr, string)
 	if (hPtr != NULL) {
 	    /*
 	     * If given a mark name, return the next mark in the list of
-	     * segments, even if it happens to be at the same character position.
+	     * segments, even if it happens to be at the same character
+	     * position.
 	     */
+
 	    segPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
 	    TkTextMarkSegToIndex(textPtr, segPtr, &index);
 	    segPtr = segPtr->nextPtr;
 	} else {
 	    /*
-	     * For non-mark name indices we want to return any marks that
-	     * are right at the index.
+	     * For non-mark name indices we want to return any marks that are
+	     * right at the index.
 	     */
+
 	    if (TkTextGetIndex(interp, textPtr, string, &index) != TCL_OK) {
 		return TCL_ERROR;
 	    }
-	    for (offset = 0, segPtr = index.linePtr->segPtr; 
+	    for (offset = 0, segPtr = index.linePtr->segPtr;
 		    segPtr != NULL && offset < index.byteIndex;
-		    offset += segPtr->size,	segPtr = segPtr->nextPtr) {
+		    offset += segPtr->size, segPtr = segPtr->nextPtr) {
 		/* Empty loop body */ ;
 	    }
 	}
     }
-    
+
     while (1) {
 	/*
-	 * segPtr points at the first possible candidate,
-	 * or NULL if we ran off the end of the line.
+	 * segPtr points at the first possible candidate, or NULL if we ran
+	 * off the end of the line.
 	 */
+
 	for ( ; segPtr != NULL ; segPtr = segPtr->nextPtr) {
 	    if (segPtr->typePtr == &tkTextRightMarkType ||
 		    segPtr->typePtr == &tkTextLeftMarkType) {
@@ -788,19 +791,21 @@ MarkFindNext(interp, textPtr, string)
 		} else if (segPtr == textPtr->insertMarkPtr) {
 		    Tcl_SetResult(interp, "insert", TCL_STATIC);
 		} else if (segPtr->body.mark.textPtr != textPtr) {
-		    /* Ignore widget-specific marks for the other widgets */
+		    /*
+		     * Ignore widget-specific marks for the other widgets.
+		     */
+
 		    continue;
 		} else {
 		    Tcl_SetResult(interp,
-				  Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable, 
-						 segPtr->body.mark.hPtr),
-				  TCL_STATIC);
+			    Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable,
+			    segPtr->body.mark.hPtr), TCL_STATIC);
 		}
 		return TCL_OK;
 	    }
 	}
 	index.linePtr = TkBTreeNextLine(textPtr, index.linePtr);
-	if (index.linePtr == (TkTextLine *) NULL) {
+	if (index.linePtr == NULL) {
 	    return TCL_OK;
 	}
 	index.byteIndex = 0;
@@ -813,7 +818,7 @@ MarkFindNext(interp, textPtr, string)
  *
  * MarkFindPrev --
  *
- *	This procedure searches backwards for the previous mark.
+ *	This function searches backwards for the previous mark.
  *
  * Results:
  *	A standard Tcl result, which is a mark name or an empty string.
@@ -825,10 +830,10 @@ MarkFindNext(interp, textPtr, string)
  */
 
 static int
-MarkFindPrev(interp, textPtr, string)
-    Tcl_Interp *interp;			/* For error reporting */
-    TkText *textPtr;			/* The widget */
-    CONST char *string;			/* The starting index or mark name */
+MarkFindPrev(
+    Tcl_Interp *interp,		/* For error reporting */
+    TkText *textPtr,		/* The widget */
+    CONST char *string)		/* The starting index or mark name */
 {
     TkTextIndex index;
     Tcl_HashEntry *hPtr;
@@ -846,31 +851,36 @@ MarkFindPrev(interp, textPtr, string)
 	if (hPtr != NULL) {
 	    /*
 	     * If given a mark name, return the previous mark in the list of
-	     * segments, even if it happens to be at the same character position.
+	     * segments, even if it happens to be at the same character
+	     * position.
 	     */
+
 	    segPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
 	    TkTextMarkSegToIndex(textPtr, segPtr, &index);
 	} else {
 	    /*
-	     * For non-mark name indices we do not return any marks that
-	     * are right at the index.
+	     * For non-mark name indices we do not return any marks that are
+	     * right at the index.
 	     */
+
 	    if (TkTextGetIndex(interp, textPtr, string, &index) != TCL_OK) {
 		return TCL_ERROR;
 	    }
-	    for (offset = 0, segPtr = index.linePtr->segPtr; 
+	    for (offset = 0, segPtr = index.linePtr->segPtr;
 		    segPtr != NULL && offset < index.byteIndex;
 		    offset += segPtr->size, segPtr = segPtr->nextPtr) {
-		/* Empty loop body */ ;
+		/* Empty loop body */
 	    }
 	}
     }
+
     while (1) {
 	/*
-	 * segPtr points just past the first possible candidate,
-	 * or at the begining of the line.
+	 * segPtr points just past the first possible candidate, or at the
+	 * begining of the line.
 	 */
-	for (prevPtr = NULL, seg2Ptr = index.linePtr->segPtr; 
+
+	for (prevPtr = NULL, seg2Ptr = index.linePtr->segPtr;
 		seg2Ptr != NULL && seg2Ptr != segPtr;
 		seg2Ptr = seg2Ptr->nextPtr) {
 	    if (seg2Ptr->typePtr == &tkTextRightMarkType ||
@@ -884,20 +894,30 @@ MarkFindPrev(interp, textPtr, string)
 	    } else if (prevPtr == textPtr->insertMarkPtr) {
 		Tcl_SetResult(interp, "insert", TCL_STATIC);
 	    } else if (prevPtr->body.mark.textPtr != textPtr) {
-		/* Ignore widget-specific marks for the other widgets */
+		/*
+		 * Ignore widget-specific marks for the other widgets.
+		 */
+
 		continue;
 	    } else {
-		Tcl_SetResult(interp, 
-			      Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable, 
-					     prevPtr->body.mark.hPtr),
-			      TCL_STATIC);
+		Tcl_SetResult(interp,
+			Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable,
+			prevPtr->body.mark.hPtr), TCL_STATIC);
 	    }
 	    return TCL_OK;
 	}
 	index.linePtr = TkBTreePreviousLine(textPtr, index.linePtr);
-	if (index.linePtr == (TkTextLine *) NULL) {
+	if (index.linePtr == NULL) {
 	    return TCL_OK;
 	}
 	segPtr = NULL;
     }
 }
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
diff --git a/generic/tkTextTag.c b/generic/tkTextTag.c
index 540c0af..900fff6 100644
--- a/generic/tkTextTag.c
+++ b/generic/tkTextTag.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkTextTag.c,v 1.21 2005/10/10 10:36:35 vincentdarley Exp $
+ * RCS: @(#) $Id: tkTextTag.c,v 1.22 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "default.h"
@@ -27,7 +27,7 @@
  */
 
 static char *wrapStrings[] = {
-    "char", "none", "word", "", (char *) NULL
+    "char", "none", "word", "", NULL
 };
 
 /*
@@ -38,57 +38,57 @@ static char *wrapStrings[] = {
  */
 
 static char *tabStyleStrings[] = {
-    "tabular", "wordprocessor", "", (char *) NULL
+    "tabular", "wordprocessor", "", NULL
 };
 
 static Tk_OptionSpec tagOptionSpecs[] = {
-    {TK_OPTION_BORDER, "-background", (char *) NULL, (char *) NULL,
+    {TK_OPTION_BORDER, "-background", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, border), TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_BITMAP, "-bgstipple", (char *) NULL, (char *) NULL,
+    {TK_OPTION_BITMAP, "-bgstipple", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, bgStipple), TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_PIXELS, "-borderwidth", (char *) NULL, (char *) NULL,
+    {TK_OPTION_PIXELS, "-borderwidth", NULL, NULL,
 	"0", Tk_Offset(TkTextTag, borderWidthPtr), Tk_Offset(TkTextTag, borderWidth),
 	TK_OPTION_DONT_SET_DEFAULT|TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING, "-elide", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-elide", NULL, NULL,
 	"0", -1, Tk_Offset(TkTextTag, elideString),
 	TK_OPTION_DONT_SET_DEFAULT|TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_BITMAP, "-fgstipple", (char *) NULL, (char *) NULL,
+    {TK_OPTION_BITMAP, "-fgstipple", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, fgStipple), TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_FONT, "-font", (char *) NULL, (char *) NULL,
+    {TK_OPTION_FONT, "-font", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, tkfont), TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_COLOR, "-foreground", (char *) NULL, (char *) NULL,
+    {TK_OPTION_COLOR, "-foreground", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, fgColor), TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING, "-justify", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-justify", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, justifyString), TK_OPTION_NULL_OK, 0,0},
-    {TK_OPTION_STRING, "-lmargin1", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-lmargin1", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, lMargin1String), TK_OPTION_NULL_OK,0,0},
-    {TK_OPTION_STRING, "-lmargin2", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-lmargin2", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, lMargin2String), TK_OPTION_NULL_OK,0,0},
-    {TK_OPTION_STRING, "-offset", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-offset", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, offsetString), TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING, "-overstrike", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextTag, overstrikeString),
+    {TK_OPTION_STRING, "-overstrike", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextTag, overstrikeString),
 	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING, "-relief", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-relief", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, reliefString), TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING, "-rmargin", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-rmargin", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, rMarginString), TK_OPTION_NULL_OK, 0,0},
-    {TK_OPTION_STRING, "-spacing1", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-spacing1", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, spacing1String), TK_OPTION_NULL_OK,0,0},
-    {TK_OPTION_STRING, "-spacing2", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-spacing2", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, spacing2String), TK_OPTION_NULL_OK,0,0},
-    {TK_OPTION_STRING, "-spacing3", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-spacing3", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, spacing3String), TK_OPTION_NULL_OK,0,0},
-    {TK_OPTION_STRING, "-tabs", (char *) NULL, (char *) NULL,
+    {TK_OPTION_STRING, "-tabs", NULL, NULL,
 	NULL, Tk_Offset(TkTextTag, tabStringPtr), -1, TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING_TABLE, "-tabstyle", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextTag, tabStyle),
+    {TK_OPTION_STRING_TABLE, "-tabstyle", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextTag, tabStyle),
 	TK_OPTION_NULL_OK, (ClientData) tabStyleStrings, 0},
-    {TK_OPTION_STRING, "-underline", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextTag, underlineString),
+    {TK_OPTION_STRING, "-underline", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextTag, underlineString),
 	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_STRING_TABLE, "-wrap", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextTag, wrapMode),
+    {TK_OPTION_STRING_TABLE, "-wrap", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextTag, wrapMode),
 	TK_OPTION_NULL_OK, (ClientData) wrapStrings, 0},
     {TK_OPTION_END}
 };
@@ -125,11 +125,11 @@ static void             TagBindEvent(TkText *textPtr, XEvent *eventPtr,
  */
 
 int
-TkTextTagCmd(textPtr, interp, objc, objv)
-    register TkText *textPtr;	/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextTagCmd(
+    register TkText *textPtr,	/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "tag". */
 {
@@ -138,7 +138,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
     static CONST char *tagOptionStrings[] = {
 	"add", "bind", "cget", "configure", "delete", "lower",
 	"names", "nextrange", "prevrange", "raise", "ranges",
-	"remove", (char *) NULL
+	"remove", NULL
     };
     enum tagOptions {
 	TAG_ADD, TAG_BIND, TAG_CGET, TAG_CONFIGURE, TAG_DELETE,
@@ -286,7 +286,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 		Tcl_ResetResult(interp);
 		Tcl_AppendResult(interp, "requested illegal events; ",
 			"only key, button, motion, enter, leave, and virtual ",
-			"events may be used", (char *) NULL);
+			"events may be used", NULL);
 		return TCL_ERROR;
 	    }
 	} else if (objc == 5) {
@@ -350,7 +350,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 	if (objc <= 5) {
 	    Tcl_Obj *objPtr = Tk_GetOptionInfo(interp, (char *) tagPtr,
 		    tagPtr->optionTable,
-		    (objc == 5) ? objv[4] : (Tcl_Obj *) NULL, textPtr->tkwin);
+		    (objc == 5) ? objv[4] : NULL, textPtr->tkwin);
 
 	    if (objPtr == NULL) {
 		return TCL_ERROR;
@@ -524,7 +524,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 		 */
 
 		TkTextRedrawTag(textPtr->sharedTextPtr, NULL,
-			(TkTextIndex *) NULL, (TkTextIndex *) NULL, tagPtr, 1);
+			NULL, NULL, tagPtr, 1);
 	    }
 	    return result;
 	}
@@ -555,7 +555,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 	    }
 	    if (tagPtr->affectsDisplay) {
 		TkTextRedrawTag(textPtr->sharedTextPtr, NULL,
-			(TkTextIndex *) NULL, (TkTextIndex *) NULL, tagPtr, 1);
+			NULL, NULL, tagPtr, 1);
 	    }
 	    TkTextDeleteTag(textPtr, tagPtr);
 	    Tcl_DeleteHashEntry(hPtr);
@@ -594,8 +594,8 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 	 * for all peers.
 	 */
 
-	TkTextRedrawTag(textPtr->sharedTextPtr, NULL, (TkTextIndex *) NULL,
-		(TkTextIndex *) NULL, tagPtr, 1);
+	TkTextRedrawTag(textPtr->sharedTextPtr, NULL, NULL,
+		NULL, tagPtr, 1);
 	break;
     }
     case TAG_NAMES: {
@@ -657,7 +657,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 	    Tcl_WrongNumArgs(interp, 3, objv, "tagName index1 ?index2?");
 	    return TCL_ERROR;
 	}
-	tagPtr = FindTag((Tcl_Interp *) NULL, textPtr, objv[3]);
+	tagPtr = FindTag(NULL, textPtr, objv[3]);
 	if (tagPtr == NULL) {
 	    return TCL_OK;
 	}
@@ -737,7 +737,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 	    Tcl_WrongNumArgs(interp, 3, objv, "tagName index1 ?index2?");
 	    return TCL_ERROR;
 	}
-	tagPtr = FindTag((Tcl_Interp *) NULL, textPtr, objv[3]);
+	tagPtr = FindTag(NULL, textPtr, objv[3]);
 	if (tagPtr == NULL) {
 	    return TCL_OK;
 	}
@@ -866,8 +866,8 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 	 * for all peers.
 	 */
 
-	TkTextRedrawTag(textPtr->sharedTextPtr, NULL, (TkTextIndex *) NULL,
-		(TkTextIndex *) NULL, tagPtr, 1);
+	TkTextRedrawTag(textPtr->sharedTextPtr, NULL, NULL,
+		NULL, tagPtr, 1);
 	break;
     }
     case TAG_RANGES: {
@@ -880,7 +880,7 @@ TkTextTagCmd(textPtr, interp, objc, objv)
 	    Tcl_WrongNumArgs(interp, 3, objv, "tagName");
 	    return TCL_ERROR;
 	}
-	tagPtr = FindTag((Tcl_Interp *) NULL, textPtr, objv[3]);
+	tagPtr = FindTag(NULL, textPtr, objv[3]);
 	if (tagPtr == NULL) {
 	    return TCL_OK;
 	}
@@ -936,15 +936,15 @@ TkTextTagCmd(textPtr, interp, objc, objv)
  */
 
 TkTextTag *
-TkTextCreateTag(textPtr, tagName, newTag)
-    TkText *textPtr;		/* Widget in which tag is being used. */
-    CONST char *tagName;	/* Name of desired tag. */
-    int *newTag;		/* If non-NULL, then return 1 if new, or 0 if
+TkTextCreateTag(
+    TkText *textPtr,		/* Widget in which tag is being used. */
+    CONST char *tagName,	/* Name of desired tag. */
+    int *newTag)		/* If non-NULL, then return 1 if new, or 0 if
 				 * already exists. */
 {
     register TkTextTag *tagPtr;
     Tcl_HashEntry *hPtr = NULL;
-    int new;
+    int isNew;
     CONST char *name;
 
     if (!strcmp(tagName, "sel")) {
@@ -961,11 +961,11 @@ TkTextCreateTag(textPtr, tagName, newTag)
 	name = "sel";
     } else {
 	hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->tagTable,
-		tagName, &new);
+		tagName, &isNew);
 	if (newTag != NULL) {
-	    *newTag = new;
+	    *newTag = isNew;
 	}
-	if (!new) {
+	if (!isNew) {
 	    return (TkTextTag *) Tcl_GetHashValue(hPtr);
 	}
 	name = Tcl_GetHashKey(&textPtr->sharedTextPtr->tagTable, hPtr);
@@ -1050,12 +1050,12 @@ TkTextCreateTag(textPtr, tagName, newTag)
  */
 
 static TkTextTag *
-FindTag(interp, textPtr, tagName)
-    Tcl_Interp *interp;		/* Interpreter to use for error message; if
+FindTag(
+    Tcl_Interp *interp,		/* Interpreter to use for error message; if
 				 * NULL, then don't record an error
 				 * message. */
-    TkText *textPtr;		/* Widget in which tag is being used. */
-    Tcl_Obj *tagName;	        /* Name of desired tag. */
+    TkText *textPtr,		/* Widget in which tag is being used. */
+    Tcl_Obj *tagName)	        /* Name of desired tag. */
 {
     Tcl_HashEntry *hPtr;
     int len;
@@ -1072,7 +1072,7 @@ FindTag(interp, textPtr, tagName)
     }
     if (interp != NULL) {
 	Tcl_AppendResult(interp, "tag \"", Tcl_GetString(tagName),
-		"\" isn't defined in text widget", (char *) NULL);
+		"\" isn't defined in text widget", NULL);
     }
     return NULL;
 }
@@ -1103,9 +1103,9 @@ FindTag(interp, textPtr, tagName)
  */
 
 void
-TkTextDeleteTag(textPtr, tagPtr)
-    TkText *textPtr;		/* Info about overall widget. */
-    register TkTextTag *tagPtr;	/* Tag being deleted. */
+TkTextDeleteTag(
+    TkText *textPtr,		/* Info about overall widget. */
+    register TkTextTag *tagPtr)	/* Tag being deleted. */
 {
     TkTextIndex first, last;
 
@@ -1162,9 +1162,9 @@ TkTextDeleteTag(textPtr, tagPtr)
  */
 
 void
-TkTextFreeTag(textPtr, tagPtr)
-    TkText *textPtr;		/* Info about overall widget. */
-    register TkTextTag *tagPtr;	/* Tag being deleted. */
+TkTextFreeTag(
+    TkText *textPtr,		/* Info about overall widget. */
+    register TkTextTag *tagPtr)	/* Tag being deleted. */
 {
     int i;
 
@@ -1239,9 +1239,9 @@ TkTextFreeTag(textPtr, tagPtr)
  */
 
 static void
-SortTags(numTags, tagArrayPtr)
-    int numTags;		/* Number of tag pointers at *tagArrayPtr. */
-    TkTextTag **tagArrayPtr;	/* Pointer to array of pointers. */
+SortTags(
+    int numTags,		/* Number of tag pointers at *tagArrayPtr. */
+    TkTextTag **tagArrayPtr)	/* Pointer to array of pointers. */
 {
     int i, j, prio;
     register TkTextTag **tagPtrPtr;
@@ -1291,8 +1291,9 @@ SortTags(numTags, tagArrayPtr)
  */
 
 static int
-TagSortProc(first, second)
-    CONST VOID *first, *second;		/* Elements to be compared. */
+TagSortProc(
+    CONST void *first,
+    CONST void *second)		/* Elements to be compared. */
 {
     TkTextTag *tagPtr1, *tagPtr2;
 
@@ -1322,10 +1323,10 @@ TagSortProc(first, second)
  */
 
 static void
-ChangeTagPriority(textPtr, tagPtr, prio)
-    TkText *textPtr;		/* Information about text widget. */
-    TkTextTag *tagPtr;		/* Tag whose priority is to be changed. */
-    int prio;			/* New priority for tag. */
+ChangeTagPriority(
+    TkText *textPtr,		/* Information about text widget. */
+    TkTextTag *tagPtr,		/* Tag whose priority is to be changed. */
+    int prio)			/* New priority for tag. */
 {
     int low, high, delta;
     register TkTextTag *tagPtr2;
@@ -1387,9 +1388,9 @@ ChangeTagPriority(textPtr, tagPtr, prio)
  */
 
 void
-TkTextBindProc(clientData, eventPtr)
-    ClientData clientData;	/* Pointer to canvas structure. */
-    XEvent *eventPtr;		/* Pointer to X event that just happened. */
+TkTextBindProc(
+    ClientData clientData,	/* Pointer to canvas structure. */
+    XEvent *eventPtr)		/* Pointer to X event that just happened. */
 {
     TkText *textPtr = (TkText *) clientData;
     int repick  = 0;
@@ -1499,10 +1500,10 @@ TkTextBindProc(clientData, eventPtr)
  */
 
 void
-TkTextPickCurrent(textPtr, eventPtr)
-    register TkText *textPtr;	/* Text widget in which to select current
+TkTextPickCurrent(
+    register TkText *textPtr,	/* Text widget in which to select current
 				 * character. */
-    XEvent *eventPtr;		/* Event describing location of mouse cursor.
+    XEvent *eventPtr)		/* Event describing location of mouse cursor.
 				 * Must be EnterWindow, LeaveWindow,
 				 * ButtonRelease, or MotionNotify. */
 {
@@ -1691,11 +1692,11 @@ TkTextPickCurrent(textPtr, eventPtr)
  */
 
 static void
-TagBindEvent(textPtr, eventPtr, numTags, tagArrayPtr)
-    TkText *textPtr;		/* Text widget to fire bindings in. */
-    XEvent *eventPtr;		/* What actually happened. */
-    int numTags;		/* Number of relevant tags. */
-    TkTextTag **tagArrayPtr;	/* Array of relevant tags. */
+TagBindEvent(
+    TkText *textPtr,		/* Text widget to fire bindings in. */
+    XEvent *eventPtr,		/* What actually happened. */
+    int numTags,		/* Number of relevant tags. */
+    TkTextTag **tagArrayPtr)	/* Array of relevant tags. */
 {
     #define NUM_BIND_TAGS 10
     CONST char *nameArray[NUM_BIND_TAGS];
@@ -1739,3 +1740,11 @@ TagBindEvent(textPtr, eventPtr, numTags, tagArrayPtr)
 	ckfree((char*)nameArrPtr);
     }
 }
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
diff --git a/generic/tkTextWind.c b/generic/tkTextWind.c
index 73ea3a8..0988fee 100644
--- a/generic/tkTextWind.c
+++ b/generic/tkTextWind.c
@@ -1,17 +1,17 @@
-/* 
+/*
  * tkTextWind.c --
  *
- *	This file contains code that allows arbitrary windows to be
- *	nested inside text widgets.  It also implements the "window"
- *	widget command for texts.
+ *	This file contains code that allows arbitrary windows to be nested
+ *	inside text widgets. It also implements the "window" widget command
+ *	for texts.
  *
  * Copyright (c) 1994 The Regents of the University of California.
  * Copyright (c) 1994-1997 Sun Microsystems, Inc.
  *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkTextWind.c,v 1.16 2005/11/10 11:38:29 dkf Exp $
+ * RCS: @(#) $Id: tkTextWind.c,v 1.17 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tk.h"
@@ -19,14 +19,14 @@
 #include "tkPort.h"
 
 /*
- * The following structure is the official type record for the
- * embedded window geometry manager:
+ * The following structure is the official type record for the embedded window
+ * geometry manager:
  */
 
-static void		EmbWinRequestProc _ANSI_ARGS_((ClientData clientData,
-			    Tk_Window tkwin));
-static void		EmbWinLostSlaveProc _ANSI_ARGS_((ClientData clientData,
-			    Tk_Window tkwin));
+static void		EmbWinRequestProc(ClientData clientData,
+			    Tk_Window tkwin);
+static void		EmbWinLostSlaveProc(ClientData clientData,
+			    Tk_Window tkwin);
 
 static Tk_GeomMgr textGeomType = {
     "text",			/* name */
@@ -42,49 +42,48 @@ static Tk_GeomMgr textGeomType = {
 	+ sizeof(TkTextEmbWindow)))
 
 /*
- * Prototypes for procedures defined in this file:
+ * Prototypes for functions defined in this file:
  */
 
-static TkTextSegment *	EmbWinCleanupProc _ANSI_ARGS_((TkTextSegment *segPtr,
-			    TkTextLine *linePtr));
-static void		EmbWinCheckProc _ANSI_ARGS_((TkTextSegment *segPtr,
-			    TkTextLine *linePtr));
-static void		EmbWinBboxProc _ANSI_ARGS_((TkText *textPtr, 
+static TkTextSegment *	EmbWinCleanupProc(TkTextSegment *segPtr,
+			    TkTextLine *linePtr);
+static void		EmbWinCheckProc(TkTextSegment *segPtr,
+			    TkTextLine *linePtr);
+static void		EmbWinBboxProc(TkText *textPtr,
 			    TkTextDispChunk *chunkPtr,
 			    int index, int y, int lineHeight, int baseline,
 			    int *xPtr, int *yPtr, int *widthPtr,
-			    int *heightPtr));
-static int		EmbWinConfigure _ANSI_ARGS_((TkText *textPtr,
-			    TkTextSegment *ewPtr, int objc, Tcl_Obj *CONST objv[]));
-static void		EmbWinDelayedUnmap _ANSI_ARGS_((
-			    ClientData clientData));
-static int		EmbWinDeleteProc _ANSI_ARGS_((TkTextSegment *segPtr,
-			    TkTextLine *linePtr, int treeGone));
-static int		EmbWinLayoutProc _ANSI_ARGS_((TkText *textPtr,
+			    int *heightPtr);
+static int		EmbWinConfigure(TkText *textPtr, TkTextSegment *ewPtr,
+			    int objc, Tcl_Obj *CONST objv[]);
+static void		EmbWinDelayedUnmap(ClientData clientData);
+static int		EmbWinDeleteProc(TkTextSegment *segPtr,
+			    TkTextLine *linePtr, int treeGone);
+static int		EmbWinLayoutProc(TkText *textPtr,
 			    TkTextIndex *indexPtr, TkTextSegment *segPtr,
 			    int offset, int maxX, int maxChars,
 			    int noCharsYet, TkWrapMode wrapMode,
-			    TkTextDispChunk *chunkPtr));
-static void		EmbWinStructureProc _ANSI_ARGS_((ClientData clientData,
-			    XEvent *eventPtr));
-static void		EmbWinUndisplayProc _ANSI_ARGS_((TkText *textPtr,
-			    TkTextDispChunk *chunkPtr));
-static TkTextEmbWindowClient* EmbWinGetClient _ANSI_ARGS_((CONST TkText *textPtr,
-							   TkTextSegment *ewPtr));
+			    TkTextDispChunk *chunkPtr);
+static void		EmbWinStructureProc(ClientData clientData,
+			    XEvent *eventPtr);
+static void		EmbWinUndisplayProc(TkText *textPtr,
+			    TkTextDispChunk *chunkPtr);
+static TkTextEmbWindowClient* EmbWinGetClient(CONST TkText *textPtr,
+			    TkTextSegment *ewPtr);
 
 /*
  * The following structure declares the "embedded window" segment type.
  */
 
 static Tk_SegType tkTextEmbWindowType = {
-    "window",					/* name */
-    0,						/* leftGravity */
-    (Tk_SegSplitProc *) NULL,			/* splitProc */
-    EmbWinDeleteProc,				/* deleteProc */
-    EmbWinCleanupProc,				/* cleanupProc */
-    (Tk_SegLineChangeProc *) NULL,		/* lineChangeProc */
-    EmbWinLayoutProc,				/* layoutProc */
-    EmbWinCheckProc				/* checkProc */
+    "window",			/* name */
+    0,				/* leftGravity */
+    NULL,			/* splitProc */
+    EmbWinDeleteProc,		/* deleteProc */
+    EmbWinCleanupProc,		/* cleanupProc */
+    NULL,			/* lineChangeProc */
+    EmbWinLayoutProc,		/* layoutProc */
+    EmbWinCheckProc		/* checkProc */
 };
 
 /*
@@ -92,10 +91,10 @@ static Tk_SegType tkTextEmbWindowType = {
  */
 
 static char *alignStrings[] = {
-    "baseline", "bottom", "center", "top", (char *) NULL
+    "baseline", "bottom", "center", "top", NULL
 };
 
-typedef enum {	
+typedef enum {
     ALIGN_BASELINE, ALIGN_BOTTOM, ALIGN_CENTER, ALIGN_TOP
 } alignMode;
 
@@ -104,24 +103,19 @@ typedef enum {
  */
 
 static Tk_OptionSpec optionSpecs[] = {
-    {TK_OPTION_STRING_TABLE, "-align", (char *) NULL, (char *) NULL,
-        "center", -1, Tk_Offset(TkTextEmbWindow, align), 
+    {TK_OPTION_STRING_TABLE, "-align", NULL, NULL,
+	"center", -1, Tk_Offset(TkTextEmbWindow, align),
 	0, (ClientData) alignStrings, 0},
-    {TK_OPTION_STRING, "-create", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextEmbWindow, create),
-	TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_PIXELS, "-padx", (char *) NULL, (char *) NULL,
-	"0", -1, Tk_Offset(TkTextEmbWindow, padX), 
-	0, 0, 0},
-    {TK_OPTION_PIXELS, "-pady", (char *) NULL, (char *) NULL,
-	"0", -1, Tk_Offset(TkTextEmbWindow, padY), 
-	0, 0, 0},
-    {TK_OPTION_BOOLEAN, "-stretch", (char *) NULL, (char *) NULL,
-	"0", -1, Tk_Offset(TkTextEmbWindow, stretch), 
-	0, 0, 0},
-    {TK_OPTION_WINDOW, "-window", (char *) NULL, (char *) NULL,
-	(char *) NULL, -1, Tk_Offset(TkTextEmbWindow, tkwin),
-	TK_OPTION_NULL_OK, 0, 0},
+    {TK_OPTION_STRING, "-create", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextEmbWindow, create), TK_OPTION_NULL_OK, 0, 0},
+    {TK_OPTION_PIXELS, "-padx", NULL, NULL,
+	"0", -1, Tk_Offset(TkTextEmbWindow, padX), 0, 0, 0},
+    {TK_OPTION_PIXELS, "-pady", NULL, NULL,
+	"0", -1, Tk_Offset(TkTextEmbWindow, padY), 0, 0, 0},
+    {TK_OPTION_BOOLEAN, "-stretch", NULL, NULL,
+	"0", -1, Tk_Offset(TkTextEmbWindow, stretch), 0, 0, 0},
+    {TK_OPTION_WINDOW, "-window", NULL, NULL,
+	NULL, -1, Tk_Offset(TkTextEmbWindow, tkwin), TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_END}
 };
 
@@ -130,9 +124,8 @@ static Tk_OptionSpec optionSpecs[] = {
  *
  * TkTextWindowCmd --
  *
- *	This procedure implements the "window" widget command
- *	for text widgets.  See the user documentation for details
- *	on what it does.
+ *	This function implements the "window" widget command for text widgets.
+ *	See the user documentation for details on what it does.
  *
  * Results:
  *	A standard Tcl result or error.
@@ -144,18 +137,18 @@ static Tk_OptionSpec optionSpecs[] = {
  */
 
 int
-TkTextWindowCmd(textPtr, interp, objc, objv)
-    register TkText *textPtr;	/* Information about text widget. */
-    Tcl_Interp *interp;		/* Current interpreter. */
-    int objc;			/* Number of arguments. */
-    Tcl_Obj *CONST objv[];	/* Argument objects. Someone else has already
+TkTextWindowCmd(
+    register TkText *textPtr,	/* Information about text widget. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. Someone else has already
 				 * parsed this command enough to know that
 				 * objv[1] is "window". */
 {
     int optionIndex;
-    
+
     static CONST char *windOptionStrings[] = {
-	"cget", "configure", "create", "names", (char *) NULL 
+	"cget", "configure", "create", "names", NULL
     };
     enum windOptions {
 	WIND_CGET, WIND_CONFIGURE, WIND_CREATE, WIND_NAMES
@@ -167,193 +160,197 @@ TkTextWindowCmd(textPtr, interp, objc, objv)
 	Tcl_WrongNumArgs(interp, 2, objv, "option ?arg arg ...?");
 	return TCL_ERROR;
     }
-    if (Tcl_GetIndexFromObj(interp, objv[2], windOptionStrings, 
-			    "window option", 0, &optionIndex) != TCL_OK) {
+    if (Tcl_GetIndexFromObj(interp, objv[2], windOptionStrings,
+	    "window option", 0, &optionIndex) != TCL_OK) {
 	return TCL_ERROR;
     }
     switch ((enum windOptions)optionIndex) {
-	case WIND_CGET: {
-	    TkTextIndex index;
-	    TkTextSegment *ewPtr;
-	    Tcl_Obj *objPtr;
+    case WIND_CGET: {
+	TkTextIndex index;
+	TkTextSegment *ewPtr;
+	Tcl_Obj *objPtr;
+	TkTextEmbWindowClient *client;
+
+	if (objc != 5) {
+	    Tcl_WrongNumArgs(interp, 3, objv, "index option");
+	    return TCL_ERROR;
+	}
+	if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	ewPtr = TkTextIndexToSeg(&index, NULL);
+	if (ewPtr->typePtr != &tkTextEmbWindowType) {
+	    Tcl_AppendResult(interp, "no embedded window at index \"",
+		    Tcl_GetString(objv[3]), "\"", NULL);
+	    return TCL_ERROR;
+	}
+
+	/*
+	 * Copy over client specific value before querying.
+	 */
+
+	client = EmbWinGetClient(textPtr, ewPtr);
+	if (client != NULL) {
+	    ewPtr->body.ew.tkwin = client->tkwin;
+	} else {
+	    ewPtr->body.ew.tkwin = NULL;
+	}
+
+	objPtr = Tk_GetOptionValue(interp, (char *) &ewPtr->body.ew,
+		ewPtr->body.ew.optionTable, objv[4], textPtr->tkwin);
+	if (objPtr == NULL) {
+	    return TCL_ERROR;
+	}
+	Tcl_SetObjResult(interp, objPtr);
+	return TCL_OK;
+    }
+    case WIND_CONFIGURE: {
+	TkTextIndex index;
+	TkTextSegment *ewPtr;
+
+	if (objc < 4) {
+	    Tcl_WrongNumArgs(interp, 3, objv, "index ?option value ...?");
+	    return TCL_ERROR;
+	}
+	if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	ewPtr = TkTextIndexToSeg(&index, NULL);
+	if (ewPtr->typePtr != &tkTextEmbWindowType) {
+	    Tcl_AppendResult(interp, "no embedded window at index \"",
+		    Tcl_GetString(objv[3]), "\"", NULL);
+	    return TCL_ERROR;
+	}
+	if (objc <= 5) {
 	    TkTextEmbWindowClient *client;
-	    
-	    if (objc != 5) {
-		Tcl_WrongNumArgs(interp, 3, objv, "index option");
-		return TCL_ERROR;
-	    }
-	    if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
-		return TCL_ERROR;
-	    }
-	    ewPtr = TkTextIndexToSeg(&index, (int *) NULL);
-	    if (ewPtr->typePtr != &tkTextEmbWindowType) {
-		Tcl_AppendResult(interp, "no embedded window at index \"",
-				 Tcl_GetString(objv[3]), "\"", (char *) NULL);
-		return TCL_ERROR;
-	    }
-	    
-	    /* Copy over client specific value before querying */
+	    Tcl_Obj* objPtr;
+
+	    /*
+	     * Copy over client specific value before querying.
+	     */
+
 	    client = EmbWinGetClient(textPtr, ewPtr);
 	    if (client != NULL) {
 		ewPtr->body.ew.tkwin = client->tkwin;
 	    } else {
 		ewPtr->body.ew.tkwin = NULL;
 	    }
-	    
-	    objPtr = Tk_GetOptionValue(interp, (char *) &ewPtr->body.ew,
-			ewPtr->body.ew.optionTable, objv[4], textPtr->tkwin);
+
+	    objPtr = Tk_GetOptionInfo(interp, (char *) &ewPtr->body.ew,
+		    ewPtr->body.ew.optionTable, (objc == 5) ? objv[4] : NULL,
+		    textPtr->tkwin);
 	    if (objPtr == NULL) {
 		return TCL_ERROR;
-	    } else {
-		Tcl_SetObjResult(interp, objPtr);
-		return TCL_OK;
 	    }
-	    break;
-	}
-	case WIND_CONFIGURE: {
-	    TkTextIndex index;
-	    TkTextSegment *ewPtr;
+	    Tcl_SetObjResult(interp, objPtr);
+	    return TCL_OK;
+	} else {
+	    TkTextChanged(textPtr->sharedTextPtr, NULL, &index, &index);
 
-	    if (objc < 4) {
-		Tcl_WrongNumArgs(interp, 3, objv, "index ?option value ...?");
-		return TCL_ERROR;
-	    }
-	    if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
-		return TCL_ERROR;
-	    }
-	    ewPtr = TkTextIndexToSeg(&index, (int *) NULL);
-	    if (ewPtr->typePtr != &tkTextEmbWindowType) {
-		Tcl_AppendResult(interp, "no embedded window at index \"",
-				 Tcl_GetString(objv[3]), "\"", (char *) NULL);
-		return TCL_ERROR;
-	    }
-	    if (objc <= 5) {
-		TkTextEmbWindowClient *client;
-		Tcl_Obj* objPtr;
-		
-		/* Copy over client specific value before querying */
-		client = EmbWinGetClient(textPtr, ewPtr);
-		if (client != NULL) {
-		    ewPtr->body.ew.tkwin = client->tkwin;
-		} else {
-		    ewPtr->body.ew.tkwin = NULL;
-		}
-		
-		objPtr = Tk_GetOptionInfo(interp, (char *) &ewPtr->body.ew,
-			ewPtr->body.ew.optionTable,
-			(objc == 5) ? objv[4] : (Tcl_Obj *) NULL,
-					  textPtr->tkwin);
-		if (objPtr == NULL) {
-		    return TCL_ERROR;
-		} else {
-		    Tcl_SetObjResult(interp, objPtr);
-		    return TCL_OK;
-		}
-	    } else {
-		TkTextChanged(textPtr->sharedTextPtr, NULL, &index, &index);
-		/* 
-		 * It's probably not true that all window configuration
-		 * can change the line height, so we could be more
-		 * efficient here and only call this when necessary.
-		 */
-		TkTextInvalidateLineMetrics(textPtr->sharedTextPtr, NULL, 
-					    index.linePtr, 0,
-					    TK_TEXT_INVALIDATE_ONLY);
-		return EmbWinConfigure(textPtr, ewPtr, objc-4, objv+4);
-	    }
-	    break;
-	}
-	case WIND_CREATE: {
-	    TkTextIndex index;
-	    int lineIndex;
-	    TkTextEmbWindowClient *client;
-	    int res;
-	    
 	    /*
-	     * Add a new window.  Find where to put the new window, and
-	     * mark that position for redisplay.
+	     * It's probably not true that all window configuration can change
+	     * the line height, so we could be more efficient here and only
+	     * call this when necessary.
 	     */
 
-	    if (objc < 4) {
-		Tcl_WrongNumArgs(interp, 3, objv, "index ?option value ...?");
-		return TCL_ERROR;
-	    }
-	    if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
-		return TCL_ERROR;
-	    }
+	    TkTextInvalidateLineMetrics(textPtr->sharedTextPtr, NULL,
+		    index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
+	    return EmbWinConfigure(textPtr, ewPtr, objc-4, objv+4);
+	}
+    }
+    case WIND_CREATE: {
+	TkTextIndex index;
+	int lineIndex;
+	TkTextEmbWindowClient *client;
+	int res;
 
-	    /*
-	     * Don't allow insertions on the last (dummy) line of the text.
-	     */
-	
-	    lineIndex = TkBTreeLinesTo(textPtr, index.linePtr);
-	    if (lineIndex == TkBTreeNumLines(textPtr->sharedTextPtr->tree, textPtr)) {
-		lineIndex--;
-		TkTextMakeByteIndex(textPtr->sharedTextPtr->tree, textPtr, 
-				    lineIndex, 1000000, &index);
-	    }
+	/*
+	 * Add a new window. Find where to put the new window, and mark that
+	 * position for redisplay.
+	 */
 
-	    /*
-	     * Create the new window segment and initialize it.
-	     */
+	if (objc < 4) {
+	    Tcl_WrongNumArgs(interp, 3, objv, "index ?option value ...?");
+	    return TCL_ERROR;
+	}
+	if (TkTextGetObjIndex(interp, textPtr, objv[3], &index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
 
-	    ewPtr = (TkTextSegment *) ckalloc(EW_SEG_SIZE);
-	    ewPtr->typePtr = &tkTextEmbWindowType;
-	    ewPtr->size = 1;
-	    ewPtr->body.ew.sharedTextPtr = textPtr->sharedTextPtr;
-	    ewPtr->body.ew.linePtr = NULL;
-	    ewPtr->body.ew.tkwin = NULL;
-	    ewPtr->body.ew.create = NULL;
-	    ewPtr->body.ew.align = ALIGN_CENTER;
-	    ewPtr->body.ew.padX = ewPtr->body.ew.padY = 0;
-	    ewPtr->body.ew.stretch = 0;
-	    ewPtr->body.ew.optionTable = Tk_CreateOptionTable(interp, optionSpecs);
-
-	    client = (TkTextEmbWindowClient*) ckalloc(sizeof(TkTextEmbWindowClient));
-	    client->next = NULL;
-	    client->textPtr = textPtr;
-	    client->tkwin = NULL;
-	    client->chunkCount = 0;
-	    client->displayed = 0;
-	    client->parent = ewPtr;
-	    ewPtr->body.ew.clients = client;
+	/*
+	 * Don't allow insertions on the last (dummy) line of the text.
+	 */
 
-	    /*
-	     * Link the segment into the text widget, then configure it (delete
-	     * it again if the configuration fails).
-	     */
+	lineIndex = TkBTreeLinesTo(textPtr, index.linePtr);
+	if (lineIndex == TkBTreeNumLines(textPtr->sharedTextPtr->tree,
+		textPtr)) {
+	    lineIndex--;
+	    TkTextMakeByteIndex(textPtr->sharedTextPtr->tree, textPtr,
+		    lineIndex, 1000000, &index);
+	}
 
-	    TkTextChanged(textPtr->sharedTextPtr, NULL, &index, &index);
-	    TkBTreeLinkSegment(ewPtr, &index);
-	    res = EmbWinConfigure(textPtr, ewPtr, objc-4, objv+4);
-	    client->tkwin = ewPtr->body.ew.tkwin;
-	    if (res != TCL_OK) {
-		TkTextIndex index2;
+	/*
+	 * Create the new window segment and initialize it.
+	 */
 
-		TkTextIndexForwChars(NULL, &index, 1, &index2, COUNT_INDICES);
-		TkBTreeDeleteIndexRange(textPtr->sharedTextPtr->tree, &index, &index2);
-		return TCL_ERROR;
-	    }
-	    TkTextInvalidateLineMetrics(textPtr->sharedTextPtr, NULL, 
-					index.linePtr, 0,
-					TK_TEXT_INVALIDATE_ONLY);
-	    break;
+	ewPtr = (TkTextSegment *) ckalloc(EW_SEG_SIZE);
+	ewPtr->typePtr = &tkTextEmbWindowType;
+	ewPtr->size = 1;
+	ewPtr->body.ew.sharedTextPtr = textPtr->sharedTextPtr;
+	ewPtr->body.ew.linePtr = NULL;
+	ewPtr->body.ew.tkwin = NULL;
+	ewPtr->body.ew.create = NULL;
+	ewPtr->body.ew.align = ALIGN_CENTER;
+	ewPtr->body.ew.padX = ewPtr->body.ew.padY = 0;
+	ewPtr->body.ew.stretch = 0;
+	ewPtr->body.ew.optionTable = Tk_CreateOptionTable(interp, optionSpecs);
+
+	client = (TkTextEmbWindowClient *)
+		ckalloc(sizeof(TkTextEmbWindowClient));
+	client->next = NULL;
+	client->textPtr = textPtr;
+	client->tkwin = NULL;
+	client->chunkCount = 0;
+	client->displayed = 0;
+	client->parent = ewPtr;
+	ewPtr->body.ew.clients = client;
+
+	/*
+	 * Link the segment into the text widget, then configure it (delete it
+	 * again if the configuration fails).
+	 */
+
+	TkTextChanged(textPtr->sharedTextPtr, NULL, &index, &index);
+	TkBTreeLinkSegment(ewPtr, &index);
+	res = EmbWinConfigure(textPtr, ewPtr, objc-4, objv+4);
+	client->tkwin = ewPtr->body.ew.tkwin;
+	if (res != TCL_OK) {
+	    TkTextIndex index2;
+
+	    TkTextIndexForwChars(NULL, &index, 1, &index2, COUNT_INDICES);
+	    TkBTreeDeleteIndexRange(textPtr->sharedTextPtr->tree, &index,
+		    &index2);
+	    return TCL_ERROR;
 	}
-	case WIND_NAMES: {
-	    Tcl_HashSearch search;
-	    Tcl_HashEntry *hPtr;
+	TkTextInvalidateLineMetrics(textPtr->sharedTextPtr, NULL,
+		index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
+	break;
+    }
+    case WIND_NAMES: {
+	Tcl_HashSearch search;
+	Tcl_HashEntry *hPtr;
 
-	    if (objc != 3) {
-		Tcl_WrongNumArgs(interp, 3, objv, NULL);
-		return TCL_ERROR;
-	    }
-	    for (hPtr = Tcl_FirstHashEntry(&textPtr->sharedTextPtr->windowTable, &search);
-		    hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
-		Tcl_AppendElement(interp,
-			Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable, hPtr));
-	    }
-	    break;
+	if (objc != 3) {
+	    Tcl_WrongNumArgs(interp, 3, objv, NULL);
+	    return TCL_ERROR;
+	}
+	for (hPtr = Tcl_FirstHashEntry(&textPtr->sharedTextPtr->windowTable,
+		&search); hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
+	    Tcl_AppendElement(interp,
+		    Tcl_GetHashKey(&textPtr->sharedTextPtr->markTable, hPtr));
 	}
+	break;
+    }
     }
     return TCL_OK;
 }
@@ -363,62 +360,63 @@ TkTextWindowCmd(textPtr, interp, objc, objv)
  *
  * EmbWinConfigure --
  *
- *	This procedure is called to handle configuration options
- *	for an embedded window, using an objc/objv list.
+ *	This function is called to handle configuration options for an
+ *	embedded window, using an objc/objv list.
  *
  * Results:
- *	The return value is a standard Tcl result.  If TCL_ERROR is
- *	returned, then the interp's result contains an error message..
+ *	The return value is a standard Tcl result. If TCL_ERROR is returned,
+ *	then the interp's result contains an error message..
  *
  * Side effects:
- *	Configuration information for the embedded window changes,
- *	such as alignment, stretching, or name of the embedded
- *	window.
- *	
- *	Note that this procedure may leave widget specific client
- *	information with a NULL tkwin attached to ewPtr.  While we could
- *	choose to clean up the client data structure here, there is no
- *	need to do so, and it is likely that the user is going to adjust
- *	the tkwin again soon.
+ *	Configuration information for the embedded window changes, such as
+ *	alignment, stretching, or name of the embedded window.
+ *
+ *	Note that this function may leave widget specific client information
+ *	with a NULL tkwin attached to ewPtr. While we could choose to clean up
+ *	the client data structure here, there is no need to do so, and it is
+ *	likely that the user is going to adjust the tkwin again soon.
  *
  *--------------------------------------------------------------
  */
 
 static int
-EmbWinConfigure(textPtr, ewPtr, objc, objv)
-    TkText *textPtr;		/* Information about text widget that
-				 * contains embedded window. */
-    TkTextSegment *ewPtr;	/* Embedded window to be configured. */
-    int objc;			/* Number of strings in objv. */
-    Tcl_Obj *CONST objv[];	/* Array of objects describing configuration
+EmbWinConfigure(
+    TkText *textPtr,		/* Information about text widget that contains
+				 * embedded window. */
+    TkTextSegment *ewPtr,	/* Embedded window to be configured. */
+    int objc,			/* Number of strings in objv. */
+    Tcl_Obj *CONST objv[])	/* Array of objects describing configuration
 				 * options. */
 {
     Tk_Window oldWindow;
     TkTextEmbWindowClient *client;
 
-    /* Copy over client specific value before querying or setting */
+    /*
+     * Copy over client specific value before querying or setting.
+     */
+
     client = EmbWinGetClient(textPtr, ewPtr);
     if (client != NULL) {
 	ewPtr->body.ew.tkwin = client->tkwin;
     } else {
 	ewPtr->body.ew.tkwin = NULL;
     }
-    
+
     oldWindow = ewPtr->body.ew.tkwin;
-    if (Tk_SetOptions(textPtr->interp, (char*)&ewPtr->body.ew, 
-            ewPtr->body.ew.optionTable,
-	    objc, objv, textPtr->tkwin, NULL, NULL) != TCL_OK) {
+    if (Tk_SetOptions(textPtr->interp, (char *) &ewPtr->body.ew,
+	    ewPtr->body.ew.optionTable, objc, objv, textPtr->tkwin, NULL,
+	    NULL) != TCL_OK) {
 	return TCL_ERROR;
     }
 
     if (oldWindow != ewPtr->body.ew.tkwin) {
 	if (oldWindow != NULL) {
-	    Tcl_DeleteHashEntry(Tcl_FindHashEntry(&textPtr->sharedTextPtr->windowTable,
+	    Tcl_DeleteHashEntry(Tcl_FindHashEntry(
+		    &textPtr->sharedTextPtr->windowTable,
 		    Tk_PathName(oldWindow)));
 	    Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
 		    EmbWinStructureProc, (ClientData) client);
-	    Tk_ManageGeometry(oldWindow, (Tk_GeomMgr *) NULL,
-		    (ClientData) NULL);
+	    Tk_ManageGeometry(oldWindow, NULL, (ClientData) NULL);
 	    if (textPtr->tkwin != Tk_Parent(oldWindow)) {
 		Tk_UnmaintainGeometry(oldWindow, textPtr->tkwin);
 	    } else {
@@ -431,26 +429,24 @@ EmbWinConfigure(textPtr, ewPtr, objc, objv)
 	if (ewPtr->body.ew.tkwin != NULL) {
 	    Tk_Window ancestor, parent;
 	    Tcl_HashEntry *hPtr;
-	    int new;
-	    
+	    int isNew;
+
 	    /*
-	     * Make sure that the text is either the parent of the
-	     * embedded window or a descendant of that parent.  Also,
-	     * don't allow a top-level window to be managed inside
-	     * a text.
+	     * Make sure that the text is either the parent of the embedded
+	     * window or a descendant of that parent. Also, don't allow a
+	     * top-level window to be managed inside a text.
 	     */
 
 	    parent = Tk_Parent(ewPtr->body.ew.tkwin);
-	    for (ancestor = textPtr->tkwin; ;
-		    ancestor = Tk_Parent(ancestor)) {
+	    for (ancestor = textPtr->tkwin; ; ancestor = Tk_Parent(ancestor)) {
 		if (ancestor == parent) {
 		    break;
 		}
 		if (Tk_TopWinHierarchy(ancestor)) {
-		    badMaster:
+		badMaster:
 		    Tcl_AppendResult(textPtr->interp, "can't embed ",
 			    Tk_PathName(ewPtr->body.ew.tkwin), " in ",
-			    Tk_PathName(textPtr->tkwin), (char *) NULL);
+			    Tk_PathName(textPtr->tkwin), NULL);
 		    ewPtr->body.ew.tkwin = NULL;
 		    if (client != NULL) {
 			client->tkwin = NULL;
@@ -462,10 +458,14 @@ EmbWinConfigure(textPtr, ewPtr, objc, objv)
 		    || (ewPtr->body.ew.tkwin == textPtr->tkwin)) {
 		goto badMaster;
 	    }
-	    
+
 	    if (client == NULL) {
-		/* Have to make the new client */
-		client = (TkTextEmbWindowClient*) ckalloc(sizeof(TkTextEmbWindowClient));
+		/*
+		 * Have to make the new client.
+		 */
+
+		client = (TkTextEmbWindowClient *)
+			ckalloc(sizeof(TkTextEmbWindowClient));
 		client->next = ewPtr->body.ew.clients;
 		client->textPtr = textPtr;
 		client->tkwin = NULL;
@@ -477,8 +477,8 @@ EmbWinConfigure(textPtr, ewPtr, objc, objv)
 	    client->tkwin = ewPtr->body.ew.tkwin;
 
 	    /*
-	     * Take over geometry management for the window, plus create
-	     * an event handler to find out when it is deleted.
+	     * Take over geometry management for the window, plus create an
+	     * event handler to find out when it is deleted.
 	     */
 
 	    Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType,
@@ -487,17 +487,15 @@ EmbWinConfigure(textPtr, ewPtr, objc, objv)
 		    EmbWinStructureProc, (ClientData) client);
 
 	    /*
-	     * Special trick!  Must enter into the hash table *after*
-	     * calling Tk_ManageGeometry:  if the window was already managed
-	     * elsewhere in this text, the Tk_ManageGeometry call will cause
-	     * the entry to be removed, which could potentially lose the new
-	     * entry.
+	     * Special trick!  Must enter into the hash table *after* calling
+	     * Tk_ManageGeometry: if the window was already managed elsewhere
+	     * in this text, the Tk_ManageGeometry call will cause the entry
+	     * to be removed, which could potentially lose the new entry.
 	     */
 
 	    hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->windowTable,
-		    Tk_PathName(ewPtr->body.ew.tkwin), &new);
+		    Tk_PathName(ewPtr->body.ew.tkwin), &isNew);
 	    Tcl_SetHashValue(hPtr, ewPtr);
-
 	}
     }
     return TCL_OK;
@@ -508,50 +506,52 @@ EmbWinConfigure(textPtr, ewPtr, objc, objv)
  *
  * EmbWinStructureProc --
  *
- *	This procedure is invoked by the Tk event loop whenever
- *	StructureNotify events occur for a window that's embedded
- *	in a text widget.  This procedure's only purpose is to
- *	clean up when windows are deleted.
+ *	This function is invoked by the Tk event loop whenever StructureNotify
+ *	events occur for a window that's embedded in a text widget. This
+ *	function's only purpose is to clean up when windows are deleted.
  *
  * Results:
  *	None.
  *
  * Side effects:
- *	The window is disassociated from the window segment, and
- *	the portion of the text is redisplayed.
+ *	The window is disassociated from the window segment, and the portion
+ *	of the text is redisplayed.
  *
  *--------------------------------------------------------------
  */
 
 static void
-EmbWinStructureProc(clientData, eventPtr)
-    ClientData clientData;	/* Pointer to record describing window item. */
-    XEvent *eventPtr;		/* Describes what just happened. */
+EmbWinStructureProc(
+    ClientData clientData,	/* Pointer to record describing window item. */
+    XEvent *eventPtr)		/* Describes what just happened. */
 {
     TkTextEmbWindowClient *client = (TkTextEmbWindowClient*)clientData;
     TkTextSegment *ewPtr = client->parent;
     TkTextIndex index;
     Tcl_HashEntry *hPtr;
-    
+
     if (eventPtr->type != DestroyNotify) {
 	return;
     }
 
     hPtr = Tcl_FindHashEntry(&ewPtr->body.ew.sharedTextPtr->windowTable,
-			     Tk_PathName(client->tkwin));
+	    Tk_PathName(client->tkwin));
     if (hPtr != NULL) {
-	/* This may not exist if the entire widget is being deleted */
-        Tcl_DeleteHashEntry(hPtr);
+	/*
+	 * This may not exist if the entire widget is being deleted.
+	 */
+
+	Tcl_DeleteHashEntry(hPtr);
     }
-    
+
     ewPtr->body.ew.tkwin = NULL;
     client->tkwin = NULL;
     index.tree = ewPtr->body.ew.sharedTextPtr->tree;
     index.linePtr = ewPtr->body.ew.linePtr;
     index.byteIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
     TkTextChanged(ewPtr->body.ew.sharedTextPtr, NULL, &index, &index);
-    TkTextInvalidateLineMetrics(ewPtr->body.ew.sharedTextPtr, NULL, 
-				index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
+    TkTextInvalidateLineMetrics(ewPtr->body.ew.sharedTextPtr, NULL,
+	    index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
 }
 
 /*
@@ -559,8 +559,8 @@ EmbWinStructureProc(clientData, eventPtr)
  *
  * EmbWinRequestProc --
  *
- *	This procedure is invoked whenever a window that's associated
- *	with a window canvas item changes its requested dimensions.
+ *	This function is invoked whenever a window that's associated with a
+ *	window canvas item changes its requested dimensions.
  *
  * Results:
  *	None.
@@ -574,10 +574,9 @@ EmbWinStructureProc(clientData, eventPtr)
 
 	/* ARGSUSED */
 static void
-EmbWinRequestProc(clientData, tkwin)
-    ClientData clientData;		/* Pointer to record for window item. */
-    Tk_Window tkwin;			/* Window that changed its desired
-					 * size. */
+EmbWinRequestProc(
+    ClientData clientData,	/* Pointer to record for window item. */
+    Tk_Window tkwin)		/* Window that changed its desired size. */
 {
     TkTextEmbWindowClient *client = (TkTextEmbWindowClient*)clientData;
     TkTextSegment *ewPtr = client->parent;
@@ -587,8 +586,8 @@ EmbWinRequestProc(clientData, tkwin)
     index.linePtr = ewPtr->body.ew.linePtr;
     index.byteIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
     TkTextChanged(ewPtr->body.ew.sharedTextPtr, NULL, &index, &index);
-    TkTextInvalidateLineMetrics(ewPtr->body.ew.sharedTextPtr, NULL, 
-				index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
+    TkTextInvalidateLineMetrics(ewPtr->body.ew.sharedTextPtr, NULL,
+	    index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
 }
 
 /*
@@ -596,24 +595,24 @@ EmbWinRequestProc(clientData, tkwin)
  *
  * EmbWinLostSlaveProc --
  *
- *	This procedure is invoked by the Tk geometry manager when
- *	a slave window managed by a text widget is claimed away
- *	by another geometry manager.
+ *	This function is invoked by the Tk geometry manager when a slave
+ *	window managed by a text widget is claimed away by another geometry
+ *	manager.
  *
  * Results:
  *	None.
  *
  * Side effects:
- *	The window is disassociated from the window segment, and
- *	the portion of the text is redisplayed.
+ *	The window is disassociated from the window segment, and the portion
+ *	of the text is redisplayed.
  *
  *--------------------------------------------------------------
  */
 
 static void
-EmbWinLostSlaveProc(clientData, tkwin)
-    ClientData clientData;	/* Pointer to record describing window item. */
-    Tk_Window tkwin;		/* Window that was claimed away by another
+EmbWinLostSlaveProc(
+    ClientData clientData,	/* Pointer to record describing window item. */
+    Tk_Window tkwin)		/* Window that was claimed away by another
 				 * geometry manager. */
 {
     TkTextEmbWindowClient *client = (TkTextEmbWindowClient*)clientData;
@@ -621,7 +620,7 @@ EmbWinLostSlaveProc(clientData, tkwin)
     TkTextIndex index;
     Tcl_HashEntry *hPtr;
     TkTextEmbWindowClient *loop;
-    
+
     Tk_DeleteEventHandler(client->tkwin, StructureNotifyMask,
 	    EmbWinStructureProc, (ClientData) client);
     Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) client);
@@ -631,16 +630,18 @@ EmbWinLostSlaveProc(clientData, tkwin)
 	Tk_UnmapWindow(tkwin);
     }
     hPtr = Tcl_FindHashEntry(&ewPtr->body.ew.sharedTextPtr->windowTable,
-			     Tk_PathName(client->tkwin));
+	    Tk_PathName(client->tkwin));
     Tcl_DeleteHashEntry(hPtr);
     client->tkwin = NULL;
     ewPtr->body.ew.tkwin = NULL;
-    
-    /* Free up the memory allocation for this client */
-    
+
+    /*
+     * Free up the memory allocation for this client.
+     */
+
     loop = ewPtr->body.ew.clients;
     if (loop == client) {
-        ewPtr->body.ew.clients = client->next;
+	ewPtr->body.ew.clients = client->next;
     } else {
 	while (loop->next != client) {
 	    loop = loop->next;
@@ -648,13 +649,13 @@ EmbWinLostSlaveProc(clientData, tkwin)
 	loop->next = client->next;
     }
     ckfree((char *)client);
-    
+
     index.tree = ewPtr->body.ew.sharedTextPtr->tree;
     index.linePtr = ewPtr->body.ew.linePtr;
     index.byteIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
     TkTextChanged(ewPtr->body.ew.sharedTextPtr, NULL, &index, &index);
-    TkTextInvalidateLineMetrics(ewPtr->body.ew.sharedTextPtr, NULL, 
-				index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
+    TkTextInvalidateLineMetrics(ewPtr->body.ew.sharedTextPtr, NULL,
+	    index.linePtr, 0, TK_TEXT_INVALIDATE_ONLY);
 }
 
 /*
@@ -662,55 +663,57 @@ EmbWinLostSlaveProc(clientData, tkwin)
  *
  * TkTextWinFreeClient --
  *
- *	Free up the hash entry and client information for a 
- *	given embedded window.
- *	
- *	It is assumed the caller will manage the linked list
- *	of clients associated with the relevant TkTextSegment.
+ *	Free up the hash entry and client information for a given embedded
+ *	window.
+ *
+ *	It is assumed the caller will manage the linked list of clients
+ *	associated with the relevant TkTextSegment.
  *
  * Results:
  *	Nothing.
  *
  * Side effects:
- *	The embedded window information for a single client is deleted,
- *	if it exists, and any resources associated with it are released.
+ *	The embedded window information for a single client is deleted, if it
+ *	exists, and any resources associated with it are released.
  *
  *--------------------------------------------------------------
  */
 
 void
-TkTextWinFreeClient(hPtr, client) 
-    Tcl_HashEntry *hPtr;             /* Hash entry corresponding to
-                                      * this client, or NULL */
-    TkTextEmbWindowClient *client;   /* Client data structure, with
-                                      * the 'tkwin' field to be
-                                      * cleaned up. */
+TkTextWinFreeClient(
+    Tcl_HashEntry *hPtr,	/* Hash entry corresponding to this client, or
+				 * NULL */
+    TkTextEmbWindowClient *client)
+				/* Client data structure, with the 'tkwin'
+				 * field to be cleaned up. */
 {
     if (hPtr != NULL) {
 	/*
-	 * (It's possible for there to be no hash table entry
-	 * for this window, if an error occurred while creating
-	 * the window segment but before the window got added to
-	 * the table)
+	 * (It's possible for there to be no hash table entry for this window,
+	 * if an error occurred while creating the window segment but before
+	 * the window got added to the table)
 	 */
 
 	Tcl_DeleteHashEntry(hPtr);
     }
-    
+
     /*
-     * Delete the event handler for the window before destroying
-     * the window, so that EmbWinStructureProc doesn't get called
-     * (we'll already do everything that it would have done, and
-     * it will just get confused).
+     * Delete the event handler for the window before destroying the window,
+     * so that EmbWinStructureProc doesn't get called (we'll already do
+     * everything that it would have done, and it will just get confused).
      */
 
     if (client->tkwin != NULL) {
 	Tk_DeleteEventHandler(client->tkwin, StructureNotifyMask,
-	    EmbWinStructureProc, (ClientData) client);
+		EmbWinStructureProc, (ClientData) client);
 	Tk_DestroyWindow(client->tkwin);
     }
     Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) client);
-    /* Free up this client */
+
+    /*
+     * Free up this client.
+     */
+
     ckfree((char *) client);
 }
 
@@ -719,8 +722,8 @@ TkTextWinFreeClient(hPtr, client)
  *
  * EmbWinDeleteProc --
  *
- *	This procedure is invoked by the text B-tree code whenever
- *	an embedded window lies in a range of characters being deleted.
+ *	This function is invoked by the text B-tree code whenever an embedded
+ *	window lies in a range of characters being deleted.
  *
  * Results:
  *	Returns 0 to indicate that the deletion has been accepted.
@@ -734,35 +737,38 @@ TkTextWinFreeClient(hPtr, client)
 
 	/* ARGSUSED */
 static int
-EmbWinDeleteProc(ewPtr, linePtr, treeGone)
-    TkTextSegment *ewPtr;		/* Segment being deleted. */
-    TkTextLine *linePtr;		/* Line containing segment. */
-    int treeGone;			/* Non-zero means the entire tree is
-					 * being deleted, so everything must
-					 * get cleaned up. */
+EmbWinDeleteProc(
+    TkTextSegment *ewPtr,	/* Segment being deleted. */
+    TkTextLine *linePtr,	/* Line containing segment. */
+    int treeGone)		/* Non-zero means the entire tree is being
+				 * deleted, so everything must get cleaned
+				 * up. */
 {
     TkTextEmbWindowClient *client;
     client = ewPtr->body.ew.clients;
-    
+
     while (client != NULL) {
 	TkTextEmbWindowClient *next = client->next;
 	Tcl_HashEntry *hPtr = NULL;
-	
-        if (client->tkwin != NULL) {
-	    hPtr = Tcl_FindHashEntry(&ewPtr->body.ew.sharedTextPtr->windowTable,
-				     Tk_PathName(client->tkwin));
-        }
+
+	if (client->tkwin != NULL) {
+	    hPtr = Tcl_FindHashEntry(
+		    &ewPtr->body.ew.sharedTextPtr->windowTable,
+		    Tk_PathName(client->tkwin));
+	}
 	TkTextWinFreeClient(hPtr, client);
 	client = next;
     }
     ewPtr->body.ew.clients = NULL;
-    
+
     Tk_FreeConfigOptions((char *) &ewPtr->body.ew, ewPtr->body.ew.optionTable,
-			 NULL);
-    
-    /* Free up all memory allocated */
+	    NULL);
+
+    /*
+     * Free up all memory allocated
+     */
+
     ckfree((char *) ewPtr);
-    
     return 0;
 }
 
@@ -771,9 +777,8 @@ EmbWinDeleteProc(ewPtr, linePtr, treeGone)
  *
  * EmbWinCleanupProc --
  *
- *	This procedure is invoked by the B-tree code whenever a
- *	segment containing an embedded window is moved from one
- *	line to another.
+ *	This function is invoked by the B-tree code whenever a segment
+ *	containing an embedded window is moved from one line to another.
  *
  * Results:
  *	None.
@@ -785,9 +790,9 @@ EmbWinDeleteProc(ewPtr, linePtr, treeGone)
  */
 
 static TkTextSegment *
-EmbWinCleanupProc(ewPtr, linePtr)
-    TkTextSegment *ewPtr;		/* Mark segment that's being moved. */
-    TkTextLine *linePtr;		/* Line that now contains segment. */
+EmbWinCleanupProc(
+    TkTextSegment *ewPtr,	/* Mark segment that's being moved. */
+    TkTextLine *linePtr)	/* Line that now contains segment. */
 {
     ewPtr->body.ew.linePtr = linePtr;
     return ewPtr;
@@ -798,12 +803,11 @@ EmbWinCleanupProc(ewPtr, linePtr)
  *
  * EmbWinLayoutProc --
  *
- *	This procedure is the "layoutProc" for embedded window
- *	segments.
+ *	This function is the "layoutProc" for embedded window segments.
  *
  * Results:
- *	1 is returned to indicate that the segment should be
- *	displayed.  The chunkPtr structure is filled in.
+ *	1 is returned to indicate that the segment should be displayed. The
+ *	chunkPtr structure is filled in.
  *
  * Side effects:
  *	None, except for filling in chunkPtr.
@@ -813,29 +817,29 @@ EmbWinCleanupProc(ewPtr, linePtr)
 
 	/*ARGSUSED*/
 static int
-EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
-	noCharsYet, wrapMode, chunkPtr)
-    TkText *textPtr;		/* Text widget being layed out. */
-    TkTextIndex *indexPtr;	/* Identifies first character in chunk. */
-    TkTextSegment *ewPtr;	/* Segment corresponding to indexPtr. */
-    int offset;			/* Offset within segPtr corresponding to
+EmbWinLayoutProc(
+    TkText *textPtr,		/* Text widget being layed out. */
+    TkTextIndex *indexPtr,	/* Identifies first character in chunk. */
+    TkTextSegment *ewPtr,	/* Segment corresponding to indexPtr. */
+    int offset,			/* Offset within segPtr corresponding to
 				 * indexPtr (always 0). */
-    int maxX;			/* Chunk must not occupy pixels at this
+    int maxX,			/* Chunk must not occupy pixels at this
 				 * position or higher. */
-    int maxChars;		/* Chunk must not include more than this
-				 * many characters. */
-    int noCharsYet;		/* Non-zero means no characters have been
+    int maxChars,		/* Chunk must not include more than this many
+				 * characters. */
+    int noCharsYet,		/* Non-zero means no characters have been
 				 * assigned to this line yet. */
-    TkWrapMode wrapMode;	/* Wrap mode to use for line: TEXT_WRAPMODE_CHAR,
-				 * TEXT_WRAPMODE_NONE, or TEXT_WRAPMODE_WORD. */
-    register TkTextDispChunk *chunkPtr;
-				/* Structure to fill in with information
-				 * about this chunk.  The x field has already
-				 * been set by the caller. */
+    TkWrapMode wrapMode,	/* Wrap mode to use for line:
+				 * TEXT_WRAPMODE_CHAR, TEXT_WRAPMODE_NONE, or
+				 * TEXT_WRAPMODE_WORD. */
+    register TkTextDispChunk *chunkPtr)
+				/* Structure to fill in with information about
+				 * this chunk. The x field has already been
+				 * set by the caller. */
 {
     int width, height;
     TkTextEmbWindowClient *client;
-    
+
     if (offset != 0) {
 	Tcl_Panic("Non-zero offset in EmbWinLayoutProc");
     }
@@ -846,9 +850,9 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
     } else {
 	ewPtr->body.ew.tkwin = client->tkwin;
     }
-    
+
     if ((ewPtr->body.ew.tkwin == NULL) && (ewPtr->body.ew.create != NULL)) {
-	int code, new;
+	int code, isNew;
 	Tcl_DString name;
 	Tk_Window ancestor;
 	Tcl_HashEntry *hPtr;
@@ -858,66 +862,63 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
 	Tcl_DString *dsPtr = NULL;
 
 	before = ewPtr->body.ew.create;
-	
+
 	/*
-	 * Find everything up to the next % character and append it
-	 * to the result string.
+	 * Find everything up to the next % character and append it to the
+	 * result string.
 	 */
+
 	string = before;
 	while (*string != 0) {
-	    if (*string == '%') {
-		if (string[1] == '%' || string[1] == 'W') {
-		    if (dsPtr == NULL) {
-			Tcl_DStringInit(&buf);
-			dsPtr = &buf;
-		    }
-		    if (string != before) {
-			Tcl_DStringAppend(dsPtr, before, 
-					  (int) (string-before));
-			before = string;
-		    }
-		    if (string[1] == '%') {
-			Tcl_DStringAppend(dsPtr, "%", 1);
-		    } else {
-			/* 
-			 * Substitute string as proper Tcl
-			 * list element. 
-			 */
-			int spaceNeeded, cvtFlags, length;
-			CONST char *str = Tk_PathName(textPtr->tkwin);
-			spaceNeeded = Tcl_ScanElement(str, &cvtFlags);
-			length = Tcl_DStringLength(dsPtr);
-			Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
-			spaceNeeded = Tcl_ConvertElement(str,
-				Tcl_DStringValue(dsPtr) + length,
-				cvtFlags | TCL_DONT_USE_BRACES);
-			Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
-		    }
-		    before += 2;
-		    string++;
+	    if ((*string == '%') && (string[1] == '%' || string[1] == 'W')) {
+		if (dsPtr == NULL) {
+		    Tcl_DStringInit(&buf);
+		    dsPtr = &buf;
 		}
+		if (string != before) {
+		    Tcl_DStringAppend(dsPtr, before, (int) (string-before));
+		    before = string;
+		}
+		if (string[1] == '%') {
+		    Tcl_DStringAppend(dsPtr, "%", 1);
+		} else {
+		    /*
+		     * Substitute string as proper Tcl list element.
+		     */
+
+		    int spaceNeeded, cvtFlags, length;
+		    CONST char *str = Tk_PathName(textPtr->tkwin);
+
+		    spaceNeeded = Tcl_ScanElement(str, &cvtFlags);
+		    length = Tcl_DStringLength(dsPtr);
+		    Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
+		    spaceNeeded = Tcl_ConvertElement(str,
+			    Tcl_DStringValue(dsPtr) + length,
+			    cvtFlags | TCL_DONT_USE_BRACES);
+		    Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
+		}
+		before += 2;
+		string++;
 	    }
 	    string++;
 	}
-	
+
 	/*
-	 * The window doesn't currently exist.  Create it by evaluating
-	 * the creation script.  The script must return the window's
-	 * path name:  look up that name to get back to the window
-	 * token.  Then register ourselves as the geometry manager for
-	 * the window.
+	 * The window doesn't currently exist. Create it by evaluating the
+	 * creation script. The script must return the window's path name:
+	 * look up that name to get back to the window token. Then register
+	 * ourselves as the geometry manager for the window.
 	 */
 
 	if (dsPtr != NULL) {
-	    Tcl_DStringAppend(dsPtr, before, 
-			      (int) (string-before));
+	    Tcl_DStringAppend(dsPtr, before, (int) (string-before));
 	    code = Tcl_GlobalEval(textPtr->interp, Tcl_DStringValue(dsPtr));
 	    Tcl_DStringFree(dsPtr);
 	} else {
 	    code = Tcl_GlobalEval(textPtr->interp, ewPtr->body.ew.create);
 	}
 	if (code != TCL_OK) {
-	    createError:
+	createError:
 	    Tcl_BackgroundError(textPtr->interp);
 	    goto gotWindow;
 	}
@@ -930,16 +931,15 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
 	if (ewPtr->body.ew.tkwin == NULL) {
 	    goto createError;
 	}
-	for (ancestor = textPtr->tkwin; ;
-		ancestor = Tk_Parent(ancestor)) {
+	for (ancestor = textPtr->tkwin; ; ancestor = Tk_Parent(ancestor)) {
 	    if (ancestor == Tk_Parent(ewPtr->body.ew.tkwin)) {
 		break;
 	    }
 	    if (Tk_TopWinHierarchy(ancestor)) {
-		badMaster:
+	    badMaster:
 		Tcl_AppendResult(textPtr->interp, "can't embed ",
 			Tk_PathName(ewPtr->body.ew.tkwin), " relative to ",
-			Tk_PathName(textPtr->tkwin), (char *) NULL);
+			Tk_PathName(textPtr->tkwin), NULL);
 		Tcl_BackgroundError(textPtr->interp);
 		ewPtr->body.ew.tkwin = NULL;
 		goto gotWindow;
@@ -949,13 +949,15 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
 		|| (textPtr->tkwin == ewPtr->body.ew.tkwin)) {
 	    goto badMaster;
 	}
-	
+
 	if (client == NULL) {
-	    /* 
-	     * We just used a '-create' script to make a new window,
-	     * which we now need to add to our client list.
+	    /*
+	     * We just used a '-create' script to make a new window, which we
+	     * now need to add to our client list.
 	     */
-	    client = (TkTextEmbWindowClient*) ckalloc(sizeof(TkTextEmbWindowClient));
+
+	    client = (TkTextEmbWindowClient *)
+		    ckalloc(sizeof(TkTextEmbWindowClient));
 	    client->next = ewPtr->body.ew.clients;
 	    client->textPtr = textPtr;
 	    client->tkwin = NULL;
@@ -964,7 +966,7 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
 	    client->parent = ewPtr;
 	    ewPtr->body.ew.clients = client;
 	}
-	
+
 	client->tkwin = ewPtr->body.ew.tkwin;
 	Tk_ManageGeometry(client->tkwin, &textGeomType,
 		(ClientData) client);
@@ -972,15 +974,14 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
 		EmbWinStructureProc, (ClientData) client);
 
 	/*
-	 * Special trick!  Must enter into the hash table *after*
-	 * calling Tk_ManageGeometry:  if the window was already managed
-	 * elsewhere in this text, the Tk_ManageGeometry call will cause
-	 * the entry to be removed, which could potentially lose the new
-	 * entry.
+	 * Special trick! Must enter into the hash table *after* calling
+	 * Tk_ManageGeometry: if the window was already managed elsewhere in
+	 * this text, the Tk_ManageGeometry call will cause the entry to be
+	 * removed, which could potentially lose the new entry.
 	 */
 
 	hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->windowTable,
-				   Tk_PathName(client->tkwin), &new);
+		Tk_PathName(client->tkwin), &isNew);
 	Tcl_SetHashValue(hPtr, ewPtr);
     }
 
@@ -988,7 +989,7 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
      * See if there's room for this window on this line.
      */
 
-    gotWindow:
+  gotWindow:
     if (ewPtr->body.ew.tkwin == NULL) {
 	width = 0;
 	height = 0;
@@ -1007,7 +1008,7 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
 
     chunkPtr->displayProc = TkTextEmbWinDisplayProc;
     chunkPtr->undisplayProc = EmbWinUndisplayProc;
-    chunkPtr->measureProc = (Tk_ChunkMeasureProc *) NULL;
+    chunkPtr->measureProc = NULL;
     chunkPtr->bboxProc = EmbWinBboxProc;
     chunkPtr->numBytes = 1;
     if (ewPtr->body.ew.align == ALIGN_BASELINE) {
@@ -1024,7 +1025,7 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
     chunkPtr->breakIndex = 1;
     chunkPtr->clientData = (ClientData) ewPtr;
     if (client != NULL) {
-        client->chunkCount += 1;
+	client->chunkCount += 1;
     }
     return 1;
 }
@@ -1034,23 +1035,23 @@ EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
  *
  * EmbWinCheckProc --
  *
- *	This procedure is invoked by the B-tree code to perform
- *	consistency checks on embedded windows.
+ *	This function is invoked by the B-tree code to perform consistency
+ *	checks on embedded windows.
  *
  * Results:
  *	None.
  *
  * Side effects:
- *	The procedure panics if it detects anything wrong with
- *	the embedded window.
+ *	The function panics if it detects anything wrong with the embedded
+ *	window.
  *
  *--------------------------------------------------------------
  */
 
 static void
-EmbWinCheckProc(ewPtr, linePtr)
-    TkTextSegment *ewPtr;		/* Segment to check. */
-    TkTextLine *linePtr;		/* Line containing segment. */
+EmbWinCheckProc(
+    TkTextSegment *ewPtr,	/* Segment to check. */
+    TkTextLine *linePtr)	/* Line containing segment. */
 {
     if (ewPtr->nextPtr == NULL) {
 	Tcl_Panic("EmbWinCheckProc: embedded window is last segment in line");
@@ -1065,59 +1066,54 @@ EmbWinCheckProc(ewPtr, linePtr)
  *
  * TkTextEmbWinDisplayProc --
  *
- *	This procedure is invoked by the text displaying code
- *	when it is time to actually draw an embedded window
- *	chunk on the screen.
+ *	This function is invoked by the text displaying code when it is time
+ *	to actually draw an embedded window chunk on the screen.
  *
  * Results:
  *	None.
  *
  * Side effects:
- *	The embedded window gets moved to the correct location
- *	and mapped onto the screen.
+ *	The embedded window gets moved to the correct location and mapped onto
+ *	the screen.
  *
  *--------------------------------------------------------------
  */
 
 void
-TkTextEmbWinDisplayProc(textPtr, chunkPtr, x, y, lineHeight, baseline, 
-			display, dst, screenY)
-    TkText *textPtr;                    /* Information about text widget. */
-    TkTextDispChunk *chunkPtr;		/* Chunk that is to be drawn. */
-    int x;				/* X-position in dst at which to
-					 * draw this chunk (differs from
-					 * the x-position in the chunk because
-					 * of scrolling). */
-    int y;				/* Top of rectangular bounding box
-					 * for line: tells where to draw this
-					 * chunk in dst (x-position is in
-					 * the chunk itself). */
-    int lineHeight;			/* Total height of line. */
-    int baseline;			/* Offset of baseline from y. */
-    Display *display;			/* Display to use for drawing 
-                     			 * (unused).  */
-    Drawable dst;			/* Pixmap or window in which to draw
-                 			 * (unused).  */
-    int screenY;			/* Y-coordinate in text window that
-					 * corresponds to y. */
+TkTextEmbWinDisplayProc(
+    TkText *textPtr,		/* Information about text widget. */
+    TkTextDispChunk *chunkPtr,	/* Chunk that is to be drawn. */
+    int x,			/* X-position in dst at which to draw this
+				 * chunk (differs from the x-position in the
+				 * chunk because of scrolling). */
+    int y,			/* Top of rectangular bounding box for line:
+				 * tells where to draw this chunk in dst
+				 * (x-position is in the chunk itself). */
+    int lineHeight,		/* Total height of line. */
+    int baseline,		/* Offset of baseline from y. */
+    Display *display,		/* Display to use for drawing (unused).  */
+    Drawable dst,		/* Pixmap or window in which to draw
+				 * (unused).  */
+    int screenY)		/* Y-coordinate in text window that
+				 * corresponds to y. */
 {
     int lineX, windowX, windowY, width, height;
     Tk_Window tkwin;
     TkTextSegment *ewPtr = (TkTextSegment*) chunkPtr->clientData;
     TkTextEmbWindowClient *client = EmbWinGetClient(textPtr, ewPtr);
-    
+
     if (client == NULL) {
-        return;
+	return;
     }
-    
+
     tkwin = client->tkwin;
     if (tkwin == NULL) {
 	return;
     }
-    
+
     if ((x + chunkPtr->width) <= 0) {
 	/*
-	 * The window is off-screen;  just unmap it.
+	 * The window is off-screen; just unmap it.
 	 */
 
 	if (textPtr->tkwin != Tk_Parent(tkwin)) {
@@ -1129,11 +1125,11 @@ TkTextEmbWinDisplayProc(textPtr, chunkPtr, x, y, lineHeight, baseline,
     }
 
     /*
-     * Compute the window's location and size in the text widget, taking
-     * into account the align and stretch values for the window.
+     * Compute the window's location and size in the text widget, taking into
+     * account the align and stretch values for the window.
      */
 
-    EmbWinBboxProc(textPtr, chunkPtr, 0, screenY, lineHeight, baseline, 
+    EmbWinBboxProc(textPtr, chunkPtr, 0, screenY, lineHeight, baseline,
 		   &lineX, &windowY, &width, &height);
     windowX = lineX - chunkPtr->x + x;
 
@@ -1146,7 +1142,7 @@ TkTextEmbWinDisplayProc(textPtr, chunkPtr, x, y, lineHeight, baseline,
 	Tk_MapWindow(tkwin);
     } else {
 	Tk_MaintainGeometry(tkwin, textPtr->tkwin,
-			    windowX, windowY, width, height);
+		windowX, windowY, width, height);
     }
 
     /*
@@ -1161,9 +1157,9 @@ TkTextEmbWinDisplayProc(textPtr, chunkPtr, x, y, lineHeight, baseline,
  *
  * EmbWinUndisplayProc --
  *
- *	This procedure is called when the chunk for an embedded
- *	window is no longer going to be displayed.  It arranges
- *	for the window associated with the chunk to be unmapped.
+ *	This function is called when the chunk for an embedded window is no
+ *	longer going to be displayed. It arranges for the window associated
+ *	with the chunk to be unmapped.
  *
  * Results:
  *	None.
@@ -1175,24 +1171,23 @@ TkTextEmbWinDisplayProc(textPtr, chunkPtr, x, y, lineHeight, baseline,
  */
 
 static void
-EmbWinUndisplayProc(textPtr, chunkPtr)
-    TkText *textPtr;			/* Overall information about text
-					 * widget. */
-    TkTextDispChunk *chunkPtr;		/* Chunk that is about to be freed. */
+EmbWinUndisplayProc(
+    TkText *textPtr,		/* Overall information about text widget. */
+    TkTextDispChunk *chunkPtr)	/* Chunk that is about to be freed. */
 {
     TkTextSegment *ewPtr = (TkTextSegment*) chunkPtr->clientData;
     TkTextEmbWindowClient *client = EmbWinGetClient(textPtr, ewPtr);
-    
+
     if (client == NULL) return;
-    
+
     client->chunkCount--;
     if (client->chunkCount == 0) {
 	/*
 	 * Don't unmap the window immediately, since there's a good chance
-	 * that it will immediately be redisplayed, perhaps even in the
-	 * same place.  Instead, schedule the window to be unmapped later;
-	 * the call to EmbWinDelayedUnmap will be cancelled in the likely
-	 * event that the unmap becomes unnecessary.
+	 * that it will immediately be redisplayed, perhaps even in the same
+	 * place. Instead, schedule the window to be unmapped later; the call
+	 * to EmbWinDelayedUnmap will be cancelled in the likely event that
+	 * the unmap becomes unnecessary.
 	 */
 
 	client->displayed = 0;
@@ -1205,17 +1200,16 @@ EmbWinUndisplayProc(textPtr, chunkPtr)
  *
  * EmbWinBboxProc --
  *
- *	This procedure is called to compute the bounding box of
- *	the area occupied by an embedded window.
+ *	This function is called to compute the bounding box of the area
+ *	occupied by an embedded window.
  *
  * Results:
- *	There is no return value.  *xPtr and *yPtr are filled in
- *	with the coordinates of the upper left corner of the
- *	window, and *widthPtr and *heightPtr are filled in with
- *	the dimensions of the window in pixels.  Note:  not all
- *	of the returned bbox is necessarily visible on the screen
- *	(the rightmost part might be off-screen to the right,
- *	and the bottommost part might be off-screen to the bottom).
+ *	There is no return value. *xPtr and *yPtr are filled in with the
+ *	coordinates of the upper left corner of the window, and *widthPtr and
+ *	*heightPtr are filled in with the dimensions of the window in pixels.
+ *	Note: not all of the returned bbox is necessarily visible on the
+ *	screen (the rightmost part might be off-screen to the right, and the
+ *	bottommost part might be off-screen to the bottom).
  *
  * Side effects:
  *	None.
@@ -1224,30 +1218,29 @@ EmbWinUndisplayProc(textPtr, chunkPtr)
  */
 
 static void
-EmbWinBboxProc(textPtr, chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
-	widthPtr, heightPtr)
-    TkText *textPtr;                    /* Information about text widget. */
-    TkTextDispChunk *chunkPtr;		/* Chunk containing desired char. */
-    int index;				/* Index of desired character within
-					 * the chunk. */
-    int y;				/* Topmost pixel in area allocated
-					 * for this line. */
-    int lineHeight;			/* Total height of line. */
-    int baseline;			/* Location of line's baseline, in
-					 * pixels measured down from y. */
-    int *xPtr, *yPtr;			/* Gets filled in with coords of
-					 * character's upper-left pixel. */
-    int *widthPtr;			/* Gets filled in with width of
-					 * window, in pixels. */
-    int *heightPtr;			/* Gets filled in with height of
-					 * window, in pixels. */
+EmbWinBboxProc(
+    TkText *textPtr,		/* Information about text widget. */
+    TkTextDispChunk *chunkPtr,	/* Chunk containing desired char. */
+    int index,			/* Index of desired character within the
+				 * chunk. */
+    int y,			/* Topmost pixel in area allocated for this
+				 * line. */
+    int lineHeight,		/* Total height of line. */
+    int baseline,		/* Location of line's baseline, in pixels
+				 * measured down from y. */
+    int *xPtr, int *yPtr,	/* Gets filled in with coords of character's
+				 * upper-left pixel. */
+    int *widthPtr,		/* Gets filled in with width of window, in
+				 * pixels. */
+    int *heightPtr)		/* Gets filled in with height of window, in
+				 * pixels. */
 {
     Tk_Window tkwin;
     TkTextSegment *ewPtr = (TkTextSegment*) chunkPtr->clientData;
     TkTextEmbWindowClient *client = EmbWinGetClient(textPtr, ewPtr);
 
     if (client == NULL) {
-        tkwin = NULL;
+	tkwin = NULL;
     } else {
 	tkwin = client->tkwin;
     }
@@ -1267,18 +1260,18 @@ EmbWinBboxProc(textPtr, chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
 	}
     }
     switch (ewPtr->body.ew.align) {
-	case ALIGN_BOTTOM:
-	    *yPtr = y + (lineHeight - *heightPtr - ewPtr->body.ew.padY);
-	    break;
-	case ALIGN_CENTER:
-	    *yPtr = y + (lineHeight - *heightPtr)/2;
-	    break;
-	case ALIGN_TOP:
-	    *yPtr = y + ewPtr->body.ew.padY;
-	    break;
-	case ALIGN_BASELINE:
-	    *yPtr = y + (baseline - *heightPtr);
-	    break;
+    case ALIGN_BOTTOM:
+	*yPtr = y + (lineHeight - *heightPtr - ewPtr->body.ew.padY);
+	break;
+    case ALIGN_CENTER:
+	*yPtr = y + (lineHeight - *heightPtr)/2;
+	break;
+    case ALIGN_TOP:
+	*yPtr = y + ewPtr->body.ew.padY;
+	break;
+    case ALIGN_BASELINE:
+	*yPtr = y + (baseline - *heightPtr);
+	break;
     }
 }
 
@@ -1287,31 +1280,29 @@ EmbWinBboxProc(textPtr, chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
  *
  * EmbWinDelayedUnmap --
  *
- *	This procedure is an idle handler that does the actual
- *	work of unmapping an embedded window.  See the comment
- *	in EmbWinUndisplayProc for details.
+ *	This function is an idle handler that does the actual work of
+ *	unmapping an embedded window. See the comment in EmbWinUndisplayProc
+ *	for details.
  *
  * Results:
  *	None.
  *
  * Side effects:
- *	The window gets unmapped, unless its chunk reference count
- *	has become non-zero again.
+ *	The window gets unmapped, unless its chunk reference count has become
+ *	non-zero again.
  *
  *--------------------------------------------------------------
  */
 
 static void
-EmbWinDelayedUnmap(clientData)
-    ClientData clientData;		/* Token for the window to
-					 * be unmapped. */
+EmbWinDelayedUnmap(
+    ClientData clientData)	/* Token for the window to be unmapped. */
 {
     TkTextEmbWindowClient *client = (TkTextEmbWindowClient*) clientData;
 
     if (!client->displayed && (client->tkwin != NULL)) {
 	if (client->textPtr->tkwin != Tk_Parent(client->tkwin)) {
-	    Tk_UnmaintainGeometry(client->tkwin,
-				  client->textPtr->tkwin);
+	    Tk_UnmaintainGeometry(client->tkwin, client->textPtr->tkwin);
 	} else {
 	    Tk_UnmapWindow(client->tkwin);
 	}
@@ -1323,14 +1314,13 @@ EmbWinDelayedUnmap(clientData)
  *
  * TkTextWindowIndex --
  *
- *	Given the name of an embedded window within a text widget,
- *	returns an index corresponding to the window's position
- *	in the text.
+ *	Given the name of an embedded window within a text widget, returns an
+ *	index corresponding to the window's position in the text.
  *
  * Results:
- *	The return value is 1 if there is an embedded window by
- *	the given name in the text widget, 0 otherwise.  If the
- *	window exists, *indexPtr is filled in with its index.
+ *	The return value is 1 if there is an embedded window by the given name
+ *	in the text widget, 0 otherwise. If the window exists, *indexPtr is
+ *	filled in with its index.
  *
  * Side effects:
  *	None.
@@ -1339,10 +1329,10 @@ EmbWinDelayedUnmap(clientData)
  */
 
 int
-TkTextWindowIndex(textPtr, name, indexPtr)
-    TkText *textPtr;		/* Text widget containing window. */
-    CONST char *name;		/* Name of window. */
-    TkTextIndex *indexPtr;	/* Index information gets stored here. */
+TkTextWindowIndex(
+    TkText *textPtr,		/* Text widget containing window. */
+    CONST char *name,		/* Name of window. */
+    TkTextIndex *indexPtr)	/* Index information gets stored here. */
 {
     Tcl_HashEntry *hPtr;
     TkTextSegment *ewPtr;
@@ -1351,6 +1341,7 @@ TkTextWindowIndex(textPtr, name, indexPtr)
     if (hPtr == NULL) {
 	return 0;
     }
+
     ewPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
     indexPtr->tree = textPtr->sharedTextPtr->tree;
     indexPtr->linePtr = ewPtr->body.ew.linePtr;
@@ -1363,19 +1354,18 @@ TkTextWindowIndex(textPtr, name, indexPtr)
  *
  * EmbWinGetClient --
  *
- *	Given a text widget and a segment which contains an
- *	embedded window, find the text-widget specific 
- *	information about the embedded window, if any.
- *	
- *	This procedure performs a completely linear lookup
- *	for a matching data structure.  If we envisage using
- *	this code with dozens of peer widgets, then performance
- *	could become an issue and a more sophisticated lookup
+ *	Given a text widget and a segment which contains an embedded window,
+ *	find the text-widget specific information about the embedded window,
+ *	if any.
+ *
+ *	This function performs a completely linear lookup for a matching data
+ *	structure. If we envisage using this code with dozens of peer widgets,
+ *	then performance could become an issue and a more sophisticated lookup
  *	mechanism might be desirable.
  *
  * Results:
- *	NULL if no widget-specific info exists, otherwise
- *	the structure is returned.
+ *	NULL if no widget-specific info exists, otherwise the structure is
+ *	returned.
  *
  * Side effects:
  *	None.
@@ -1384,18 +1374,24 @@ TkTextWindowIndex(textPtr, name, indexPtr)
  */
 
 static TkTextEmbWindowClient*
-EmbWinGetClient(textPtr, ewPtr)
-    CONST TkText *textPtr;            /* Information about text widget. */
-    TkTextSegment *ewPtr;             /* Segment containing embedded 
-                                       * window. */
+EmbWinGetClient(
+    CONST TkText *textPtr,	/* Information about text widget. */
+    TkTextSegment *ewPtr)	/* Segment containing embedded window. */
 {
     TkTextEmbWindowClient *client = ewPtr->body.ew.clients;
     while (client != NULL) {
-        if (client->textPtr == textPtr) {
-            return client;
-        }
-        client = client->next;
+	if (client->textPtr == textPtr) {
+	    return client;
+	}
+	client = client->next;
     }
     return NULL;
 }
-
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
diff --git a/generic/tkWindow.c b/generic/tkWindow.c
index 390325e..33589e7 100644
--- a/generic/tkWindow.c
+++ b/generic/tkWindow.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWindow.c,v 1.69 2005/09/21 10:54:40 dkf Exp $
+ * RCS: @(#) $Id: tkWindow.c,v 1.70 2005/11/17 10:57:35 dkf Exp $
  */
 
 #include "tkPort.h"
@@ -721,7 +721,7 @@ NameWindow(interp, winPtr, parentPtr, name)
 #define FIXED_SIZE 200
     char staticSpace[FIXED_SIZE];
     char *pathName;
-    int new;
+    int isNew;
     Tcl_HashEntry *hPtr;
     int length1, length2;
 
@@ -791,13 +791,14 @@ NameWindow(interp, winPtr, parentPtr, name)
 	pathName[length1] = '.';
 	strcpy(pathName+length1+1, name);
     }
-    hPtr = Tcl_CreateHashEntry(&parentPtr->mainPtr->nameTable, pathName, &new);
+    hPtr = Tcl_CreateHashEntry(&parentPtr->mainPtr->nameTable, pathName,
+	    &isNew);
     if (pathName != staticSpace) {
 	ckfree(pathName);
     }
-    if (!new) {
+    if (!isNew) {
 	Tcl_AppendResult(interp, "window name \"", name,
-		"\" already exists in parent", (char *) NULL);
+		"\" already exists in parent", NULL);
 	return TCL_ERROR;
     }
     Tcl_SetHashValue(hPtr, winPtr);
@@ -1668,7 +1669,7 @@ Tk_MakeWindowExist(tkwin)
     Window parent;
     Tcl_HashEntry *hPtr;
     Tk_ClassCreateProc *createProc;
-    int new;
+    int isNew;
 
     if (winPtr->window != None) {
 	return;
@@ -1691,7 +1692,7 @@ Tk_MakeWindowExist(tkwin)
     }
 
     hPtr = Tcl_CreateHashEntry(&winPtr->dispPtr->winTable,
-	    (char *) winPtr->window, &new);
+	    (char *) winPtr->window, &isNew);
     Tcl_SetHashValue(hPtr, winPtr);
     winPtr->dirtyAtts = 0;
     winPtr->dirtyChanges = 0;