[Frq-3536507]: clientData field in Tk_OptionSpec should be "const void *"

19 files changed, 153 insertions, 147 deletions

diff --git a/ChangeLog b/ChangeLog
index 41c2124..6472df9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-06-24  Jan Nijtmans  <nijtmans@users.sf.net>
+
+	* doc/SetOptions.3:   [Frq-3536507]: clientData field in Tk_OptionSpec
+	* generic/tk.h:       should be "const void *"
+	* generic/tk*.c:      Eliminate many unnessessary type casts
+
 2012-06-22  Jan Nijtmans  <nijtmans@users.sf.net>
 
 	* win/Makefile.in:    [Bug 1844430]: cygwin make fails in 8.4.14-8.5b3
diff --git a/doc/SetOptions.3 b/doc/SetOptions.3
index bd1d8ab..1851f1f 100644
--- a/doc/SetOptions.3
+++ b/doc/SetOptions.3
@@ -259,7 +259,7 @@ typedef struct {
     int \fIobjOffset\fR;
     int \fIinternalOffset\fR;
     int \fIflags\fR;
-    ClientData \fIclientData\fR;
+    const void *\fIclientData\fR;
     int \fItypeMask\fR;
 } \fBTk_OptionSpec\fR;
 .CE
diff --git a/generic/tk.h b/generic/tk.h
index a44cfa8..23b17f8 100644
--- a/generic/tk.h
+++ b/generic/tk.h
@@ -181,7 +181,7 @@ typedef struct Tk_OptionSpec {
 				 * the record. */
     int flags;			/* Any combination of the values defined
 				 * below. */
-    ClientData clientData;	/* An alternate place to put option-specific
+    const void *clientData;	/* An alternate place to put option-specific
 				 * data. Used for the monochrome default value
 				 * for colors, etc. */
     int typeMask;		/* An arbitrary bit mask defined by the class
diff --git a/generic/tkButton.c b/generic/tkButton.c
index 190165d..e2c754e 100644
--- a/generic/tkButton.c
+++ b/generic/tkButton.c
@@ -71,19 +71,19 @@ char tkDefLabelPady[TCL_INTEGER_SPACE] = DEF_LABCHKRAD_PADY;
 static const Tk_OptionSpec labelOptionSpecs[] = {
     {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
 	DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
-	0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
+	0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
     {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
 	DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
-	TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
     {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
 	DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
-	0, (ClientData) DEF_BUTTON_BG_MONO, 0},
+	0, DEF_BUTTON_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
 	DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -92,7 +92,7 @@ static const Tk_OptionSpec labelOptionSpecs[] = {
 	Tk_Offset(TkButton, borderWidth), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
 	 DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
-	 (ClientData) compoundStrings, 0},
+	 compoundStrings, 0},
     {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
 	DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -101,7 +101,7 @@ static const Tk_OptionSpec labelOptionSpecs[] = {
 	-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
 	(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
@@ -134,7 +134,7 @@ static const Tk_OptionSpec labelOptionSpecs[] = {
 	DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_LABEL_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
@@ -156,19 +156,19 @@ static const Tk_OptionSpec labelOptionSpecs[] = {
 static const Tk_OptionSpec buttonOptionSpecs[] = {
     {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
 	DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
-	0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
+	0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
     {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
 	DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
-	TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
     {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
 	DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
-	0, (ClientData) DEF_BUTTON_BG_MONO, 0},
+	0, DEF_BUTTON_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
 	DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -180,19 +180,19 @@ static const Tk_OptionSpec buttonOptionSpecs[] = {
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
 	 DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
-	 (ClientData) compoundStrings, 0},
+	 compoundStrings, 0},
     {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
 	DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-default", "default", "Default",
         DEF_BUTTON_DEFAULT, -1, Tk_Offset(TkButton, defaultState),
-	0, (ClientData) defaultStrings, 0},
+	0, defaultStrings, 0},
     {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
 	"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
 	-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
 	(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
@@ -235,7 +235,7 @@ static const Tk_OptionSpec buttonOptionSpecs[] = {
 	 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
@@ -257,19 +257,19 @@ static const Tk_OptionSpec buttonOptionSpecs[] = {
 static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
     {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
 	DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
-	0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
+	0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
     {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
 	DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
-	TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
     {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
 	DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
-	0, (ClientData) DEF_BUTTON_BG_MONO, 0},
+	0, DEF_BUTTON_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
 	DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -281,7 +281,7 @@ static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
 	 DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
-	 (ClientData) compoundStrings, 0},
+	 compoundStrings, 0},
     {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
 	DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -290,7 +290,7 @@ static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
 	-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
 	(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
@@ -334,13 +334,13 @@ static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
 	DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
     {TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
 	DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder),
-	TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_SELECT_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_BUTTON_SELECT_MONO, 0},
     {TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
 	DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
@@ -370,19 +370,19 @@ static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
 static const Tk_OptionSpec radiobuttonOptionSpecs[] = {
     {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
 	DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
-	0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
+	0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
     {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
 	DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
-	TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
     {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
 	DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
-	0, (ClientData) DEF_BUTTON_BG_MONO, 0},
+	0, DEF_BUTTON_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
 	DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -394,7 +394,7 @@ static const Tk_OptionSpec radiobuttonOptionSpecs[] = {
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
 	 DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
-	 (ClientData) compoundStrings, 0},
+	 compoundStrings, 0},
     {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
 	DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -403,7 +403,7 @@ static const Tk_OptionSpec radiobuttonOptionSpecs[] = {
 	-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
 	(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
@@ -444,13 +444,13 @@ static const Tk_OptionSpec radiobuttonOptionSpecs[] = {
 	DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
     {TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
 	DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder),
-	TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_SELECT_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_BUTTON_SELECT_MONO, 0},
     {TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
 	DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
diff --git a/generic/tkEntry.c b/generic/tkEntry.c
index f32a03b..044a35b 100644
--- a/generic/tkEntry.c
+++ b/generic/tkEntry.c
@@ -64,11 +64,11 @@ enum validateType {
 static const 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},
+	0, DEF_ENTRY_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	DEF_ENTRY_BORDER_WIDTH, -1, Tk_Offset(Entry, borderWidth), 0, 0, 0},
     {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
@@ -85,7 +85,7 @@ static const Tk_OptionSpec entryOptSpec[] = {
 	"ExportSelection", DEF_ENTRY_EXPORT_SELECTION, -1,
 	Tk_Offset(Entry, exportSelection), 0, 0, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-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",
@@ -115,7 +115,7 @@ static const Tk_OptionSpec entryOptSpec[] = {
 	DEF_ENTRY_INVALIDCMD, -1, Tk_Offset(Entry, invalidCmd),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_SYNONYM, "-invcmd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-invalidcommand", 0},
+	NULL, 0, -1, 0, "-invalidcommand", 0},
     {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
 	DEF_ENTRY_JUSTIFY, -1, Tk_Offset(Entry, justify), 0, 0, 0},
     {TK_OPTION_BORDER, "-readonlybackground", "readonlyBackground",
@@ -126,20 +126,20 @@ static const Tk_OptionSpec entryOptSpec[] = {
 	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},
+	0, DEF_ENTRY_SELECT_MONO, 0},
     {TK_OPTION_PIXELS, "-selectborderwidth", "selectBorderWidth",
 	"BorderWidth", DEF_ENTRY_SELECT_BD_COLOR, -1,
 	Tk_Offset(Entry, selBorderWidth),
-	0, (ClientData) DEF_ENTRY_SELECT_BD_MONO, 0},
+	0, DEF_ENTRY_SELECT_BD_MONO, 0},
     {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background",
 	DEF_ENTRY_SELECT_FG_COLOR, -1, Tk_Offset(Entry, selFgColorPtr),
-	TK_CONFIG_NULL_OK, (ClientData) DEF_ENTRY_SELECT_FG_MONO, 0},
+	TK_CONFIG_NULL_OK, DEF_ENTRY_SELECT_FG_MONO, 0},
     {TK_OPTION_STRING, "-show", "show", "Show",
 	DEF_ENTRY_SHOW, -1, Tk_Offset(Entry, showChar),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_ENTRY_STATE, -1, Tk_Offset(Entry, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_ENTRY_TAKE_FOCUS, -1, Tk_Offset(Entry, takeFocus),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -148,11 +148,11 @@ static const Tk_OptionSpec entryOptSpec[] = {
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-validate", "validate", "Validate",
 	DEF_ENTRY_VALIDATE, -1, Tk_Offset(Entry, validate),
-	0, (ClientData) validateStrings, 0},
+	0, validateStrings, 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},
+	NULL, 0, -1, 0, "-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",
@@ -181,19 +181,19 @@ static const Tk_OptionSpec entryOptSpec[] = {
 static const Tk_OptionSpec sbOptSpec[] = {
     {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Background",
 	DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(Spinbox, activeBorder),
-	0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
+	0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_ENTRY_BG_COLOR, -1, Tk_Offset(Entry, normalBorder),
-	0, (ClientData) DEF_ENTRY_BG_MONO, 0},
+	0, DEF_ENTRY_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	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},
+	0, DEF_BUTTON_BG_MONO, 0},
     {TK_OPTION_CURSOR, "-buttoncursor", "Button.cursor", "Cursor",
 	DEF_BUTTON_CURSOR, -1, Tk_Offset(Spinbox, bCursor),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -218,7 +218,7 @@ static const Tk_OptionSpec sbOptSpec[] = {
 	"ExportSelection", DEF_ENTRY_EXPORT_SELECTION, -1,
 	Tk_Offset(Entry, exportSelection), 0, 0, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-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",
@@ -255,7 +255,7 @@ static const Tk_OptionSpec sbOptSpec[] = {
 	DEF_ENTRY_INVALIDCMD, -1, Tk_Offset(Entry, invalidCmd),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_SYNONYM, "-invcmd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-invalidcommand", 0},
+	NULL, 0, -1, 0, "-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",
@@ -272,17 +272,17 @@ static const Tk_OptionSpec sbOptSpec[] = {
 	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},
+	0, DEF_ENTRY_SELECT_MONO, 0},
     {TK_OPTION_PIXELS, "-selectborderwidth", "selectBorderWidth",
 	"BorderWidth", DEF_ENTRY_SELECT_BD_COLOR, -1,
 	Tk_Offset(Entry, selBorderWidth),
-	0, (ClientData) DEF_ENTRY_SELECT_BD_MONO, 0},
+	0, DEF_ENTRY_SELECT_BD_MONO, 0},
     {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background",
 	DEF_ENTRY_SELECT_FG_COLOR, -1, Tk_Offset(Entry, selFgColorPtr),
-	TK_CONFIG_NULL_OK, (ClientData) DEF_ENTRY_SELECT_FG_MONO, 0},
+	TK_CONFIG_NULL_OK, DEF_ENTRY_SELECT_FG_MONO, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_ENTRY_STATE, -1, Tk_Offset(Entry, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_ENTRY_TAKE_FOCUS, -1, Tk_Offset(Entry, takeFocus),
 	TK_CONFIG_NULL_OK, 0, 0},
@@ -293,14 +293,14 @@ static const Tk_OptionSpec sbOptSpec[] = {
 	DEF_SPINBOX_TO, -1, Tk_Offset(Spinbox, toValue), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-validate", "validate", "Validate",
 	DEF_ENTRY_VALIDATE, -1, Tk_Offset(Entry, validate),
-	0, (ClientData) validateStrings, 0},
+	0, validateStrings, 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", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-validatecommand", 0},
+	NULL, 0, -1, 0, "-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",
diff --git a/generic/tkFrame.c b/generic/tkFrame.c
index c7544a6..55f5d51 100644
--- a/generic/tkFrame.c
+++ b/generic/tkFrame.c
@@ -175,9 +175,9 @@ static const char *const labelAnchorStrings[] = {
 static const Tk_OptionSpec commonOptSpec[] = {
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_FRAME_BG_COLOR, -1, Tk_Offset(Frame, border),
-	TK_OPTION_NULL_OK, (ClientData) DEF_FRAME_BG_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_FRAME_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_STRING, "-colormap", "colormap", "Colormap",
 	DEF_FRAME_COLORMAP, -1, Tk_Offset(Frame, colormapName),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -220,7 +220,7 @@ static const Tk_OptionSpec commonOptSpec[] = {
 
 static const Tk_OptionSpec frameOptSpec[] = {
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	DEF_FRAME_BORDER_WIDTH, -1, Tk_Offset(Frame, borderWidth), 0, 0, 0},
     {TK_OPTION_STRING, "-class", "class", "Class",
@@ -228,12 +228,12 @@ static const Tk_OptionSpec frameOptSpec[] = {
     {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
 	DEF_FRAME_RELIEF, -1, Tk_Offset(Frame, relief), 0, 0, 0},
     {TK_OPTION_END, NULL, NULL, NULL,
-	NULL, 0, 0, 0, (ClientData) commonOptSpec, 0}
+	NULL, 0, 0, 0, commonOptSpec, 0}
 };
 
 static const Tk_OptionSpec toplevelOptSpec[] = {
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	DEF_FRAME_BORDER_WIDTH, -1, Tk_Offset(Frame, borderWidth), 0, 0, 0},
     {TK_OPTION_STRING, "-class", "class", "Class",
@@ -250,26 +250,26 @@ static const Tk_OptionSpec toplevelOptSpec[] = {
 	DEF_TOPLEVEL_USE, -1, Tk_Offset(Frame, useThis),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_END, NULL, NULL, NULL,
-	NULL, 0, 0, 0, (ClientData) commonOptSpec, 0}
+	NULL, 0, 0, 0, commonOptSpec, 0}
 };
 
 static const Tk_OptionSpec labelframeOptSpec[] = {
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	DEF_LABELFRAME_BORDER_WIDTH, -1, Tk_Offset(Frame, borderWidth),
 	0, 0, 0},
     {TK_OPTION_STRING, "-class", "class", "Class",
 	DEF_LABELFRAME_CLASS, -1, Tk_Offset(Frame, className), 0, 0, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_LABELFRAME_FONT, -1, Tk_Offset(Labelframe, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
 	DEF_LABELFRAME_FG, -1, Tk_Offset(Labelframe, textColorPtr), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-labelanchor", "labelAnchor", "LabelAnchor",
 	DEF_LABELFRAME_LABELANCHOR, -1, Tk_Offset(Labelframe, labelAnchor),
-	0, (ClientData) labelAnchorStrings, 0},
+	0, labelAnchorStrings, 0},
     {TK_OPTION_WINDOW, "-labelwidget", "labelWidget", "LabelWidget",
 	NULL, -1, Tk_Offset(Labelframe, labelWin), TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
@@ -278,7 +278,7 @@ static const Tk_OptionSpec labelframeOptSpec[] = {
 	DEF_LABELFRAME_TEXT, Tk_Offset(Labelframe, textPtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_END, NULL, NULL, NULL,
-	NULL, 0, 0, 0, (ClientData) commonOptSpec, 0}
+	NULL, 0, 0, 0, commonOptSpec, 0}
 };
 
 /*
diff --git a/generic/tkListbox.c b/generic/tkListbox.c
index ada467f..7faa44b 100644
--- a/generic/tkListbox.c
+++ b/generic/tkListbox.c
@@ -231,14 +231,14 @@ static const char *const activeStyleStrings[] = {
 static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_STRING_TABLE, "-activestyle", "activeStyle", "ActiveStyle",
 	DEF_LISTBOX_ACTIVE_STYLE, -1, Tk_Offset(Listbox, activeStyle),
-	0, (ClientData) activeStyleStrings, 0},
+	0, activeStyleStrings, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	 DEF_LISTBOX_BG_COLOR, -1, Tk_Offset(Listbox, normalBorder),
-	 0, (ClientData) DEF_LISTBOX_BG_MONO, 0},
+	 0, DEF_LISTBOX_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	 NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	 NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	 NULL, 0, -1, 0, (ClientData) "-background", 0},
+	 NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	 DEF_LISTBOX_BORDER_WIDTH, -1, Tk_Offset(Listbox, borderWidth),
 	 0, 0, 0},
@@ -252,7 +252,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	 "ExportSelection", DEF_LISTBOX_EXPORT_SELECTION, -1,
 	 Tk_Offset(Listbox, exportSelection), 0, 0, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	 NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	 NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	 DEF_LISTBOX_FONT, -1, Tk_Offset(Listbox, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
@@ -272,13 +272,13 @@ static const Tk_OptionSpec optionSpecs[] = {
 	 DEF_LISTBOX_RELIEF, -1, Tk_Offset(Listbox, relief), 0, 0, 0},
     {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground",
 	 DEF_LISTBOX_SELECT_COLOR, -1, Tk_Offset(Listbox, selBorder),
-	 0, (ClientData) DEF_LISTBOX_SELECT_MONO, 0},
+	 0, DEF_LISTBOX_SELECT_MONO, 0},
     {TK_OPTION_PIXELS, "-selectborderwidth", "selectBorderWidth",
 	 "BorderWidth", DEF_LISTBOX_SELECT_BD, -1,
 	 Tk_Offset(Listbox, selBorderWidth), 0, 0, 0},
     {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background",
 	 DEF_LISTBOX_SELECT_FG_COLOR, -1, Tk_Offset(Listbox, selFgColorPtr),
-	 TK_CONFIG_NULL_OK, (ClientData) DEF_LISTBOX_SELECT_FG_MONO, 0},
+	 TK_CONFIG_NULL_OK, DEF_LISTBOX_SELECT_FG_MONO, 0},
     {TK_OPTION_STRING, "-selectmode", "selectMode", "SelectMode",
 	 DEF_LISTBOX_SELECT_MODE, -1, Tk_Offset(Listbox, selectMode),
 	 TK_OPTION_NULL_OK, 0, 0},
@@ -286,7 +286,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	 DEF_LISTBOX_SET_GRID, -1, Tk_Offset(Listbox, setGrid), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_LISTBOX_STATE, -1, Tk_Offset(Listbox, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	 DEF_LISTBOX_TAKE_FOCUS, -1, Tk_Offset(Listbox, takeFocus),
 	 TK_OPTION_NULL_OK, 0, 0},
@@ -313,22 +313,22 @@ static const Tk_OptionSpec itemAttrOptionSpecs[] = {
     {TK_OPTION_BORDER, "-background", "background", "Background",
      NULL, -1, Tk_Offset(ItemAttr, border),
      TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT,
-     (ClientData) DEF_LISTBOX_BG_MONO, 0},
+     DEF_LISTBOX_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-     NULL, 0, -1, 0, (ClientData) "-background", 0},
+     NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-     NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+     NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
      NULL, -1, Tk_Offset(ItemAttr, fgColor),
      TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT, 0, 0},
     {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground",
      NULL, -1, Tk_Offset(ItemAttr, selBorder),
      TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT,
-     (ClientData) DEF_LISTBOX_SELECT_MONO, 0},
+     DEF_LISTBOX_SELECT_MONO, 0},
     {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background",
      NULL, -1, Tk_Offset(ItemAttr, selFgColor),
      TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT,
-     (ClientData) DEF_LISTBOX_SELECT_FG_MONO, 0},
+     DEF_LISTBOX_SELECT_FG_MONO, 0},
     {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
 };
 
diff --git a/generic/tkMenu.c b/generic/tkMenu.c
index 18eae0a..49f49ad 100644
--- a/generic/tkMenu.c
+++ b/generic/tkMenu.c
@@ -188,7 +188,7 @@ static const Tk_OptionSpec tkCheckButtonEntryConfigSpecs[] = {
 	DEF_MENU_ENTRY_CHECK_VARIABLE,
 	Tk_Offset(TkMenuEntry, namePtr), -1, TK_OPTION_NULL_OK, NULL, 0},
     {TK_OPTION_END, NULL, NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) tkBasicMenuEntryConfigSpecs, 0}
+	NULL, 0, -1, 0, tkBasicMenuEntryConfigSpecs, 0}
 };
 
 static const Tk_OptionSpec tkRadioButtonEntryConfigSpecs[] = {
@@ -208,7 +208,7 @@ static const Tk_OptionSpec tkRadioButtonEntryConfigSpecs[] = {
 	DEF_MENU_ENTRY_RADIO_VARIABLE,
 	Tk_Offset(TkMenuEntry, namePtr), -1, 0, NULL, 0},
     {TK_OPTION_END, NULL, NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) tkBasicMenuEntryConfigSpecs, 0}
+	NULL, 0, -1, 0, tkBasicMenuEntryConfigSpecs, 0}
 };
 
 static const Tk_OptionSpec tkCascadeEntryConfigSpecs[] = {
@@ -216,7 +216,7 @@ static const Tk_OptionSpec tkCascadeEntryConfigSpecs[] = {
 	DEF_MENU_ENTRY_MENU,
 	Tk_Offset(TkMenuEntry, namePtr), -1, TK_OPTION_NULL_OK, NULL, 0},
     {TK_OPTION_END, NULL, NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) tkBasicMenuEntryConfigSpecs, 0}
+	NULL, 0, -1, 0, tkBasicMenuEntryConfigSpecs, 0}
 };
 
 static const Tk_OptionSpec tkTearoffEntryConfigSpecs[] = {
@@ -259,9 +259,9 @@ static const Tk_OptionSpec tkMenuConfigSpecs[] = {
 	DEF_MENU_BG_COLOR, Tk_Offset(TkMenu, borderPtr), -1, 0,
 	(ClientData) DEF_MENU_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	DEF_MENU_BORDER_WIDTH,
 	Tk_Offset(TkMenu, borderWidthPtr), -1, 0, NULL, 0},
@@ -273,7 +273,7 @@ static const Tk_OptionSpec tkMenuConfigSpecs[] = {
 	Tk_Offset(TkMenu, disabledFgPtr), -1, TK_OPTION_NULL_OK,
 	(ClientData) DEF_MENU_DISABLED_FG_MONO, 0},
     {TK_OPTION_SYNONYM, "-fg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_MENU_FONT, Tk_Offset(TkMenu, fontPtr), -1, 0, NULL, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
diff --git a/generic/tkMenubutton.c b/generic/tkMenubutton.c
index e540224..31dbfbb 100644
--- a/generic/tkMenubutton.c
+++ b/generic/tkMenubutton.c
@@ -66,13 +66,13 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
 	DEF_MENUBUTTON_ACTIVE_FG_COLOR, -1,
 	 Tk_Offset(TkMenuButton, activeFg),
-	 0, (ClientData) DEF_MENUBUTTON_ACTIVE_FG_MONO, 0},
+	 0, DEF_MENUBUTTON_ACTIVE_FG_MONO, 0},
     {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
 	DEF_MENUBUTTON_ANCHOR, -1,
 	Tk_Offset(TkMenuButton, anchor), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_MENUBUTTON_BG_COLOR, -1, Tk_Offset(TkMenuButton, normalBorder),
-	0, (ClientData) DEF_MENUBUTTON_BG_MONO, 0},
+	0, DEF_MENUBUTTON_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL, NULL, 0, -1, 0,
 	(ClientData) "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL, NULL, 0, -1, 0,
@@ -88,7 +88,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-direction", "direction", "Direction",
 	DEF_MENUBUTTON_DIRECTION, -1, Tk_Offset(TkMenuButton, direction),
-	0, (ClientData) directionStrings, 0},
+	0, directionStrings, 0},
     {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
 	"DisabledForeground", DEF_MENUBUTTON_DISABLED_FG_COLOR,
 	-1, Tk_Offset(TkMenuButton, disabledFg), TK_OPTION_NULL_OK,
@@ -133,10 +133,10 @@ static const Tk_OptionSpec optionSpecs[] = {
 	0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
 	 DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkMenuButton, compound), 0,
-	 (ClientData) compoundStrings, 0},
+	 compoundStrings, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_MENUBUTTON_STATE, -1, Tk_Offset(TkMenuButton, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_MENUBUTTON_TAKE_FOCUS, -1,
 	Tk_Offset(TkMenuButton, takeFocus), TK_OPTION_NULL_OK, 0, 0},
diff --git a/generic/tkMessage.c b/generic/tkMessage.c
index 5df3875..0787efc 100644
--- a/generic/tkMessage.c
+++ b/generic/tkMessage.c
@@ -114,11 +114,11 @@ static const Tk_OptionSpec optionSpecs[] = {
 	 -1, Tk_Offset(Message, aspect), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	 DEF_MESSAGE_BG_COLOR, -1, Tk_Offset(Message, border), 0,
-	 (ClientData) DEF_MESSAGE_BG_MONO, 0},
+	 DEF_MESSAGE_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL, NULL,
-	 0, -1, 0, (ClientData) "-borderwidth", 0},
+	 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL, NULL,
-	 0, -1, 0, (ClientData) "-background", 0},
+	 0, -1, 0, "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	 DEF_MESSAGE_BORDER_WIDTH, -1,
 	 Tk_Offset(Message, borderWidth), 0, 0, 0},
@@ -126,7 +126,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	 DEF_MESSAGE_CURSOR, -1, Tk_Offset(Message, cursor),
 	 TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_SYNONYM, "-fg", NULL, NULL, NULL,
-	 0, -1, 0, (ClientData) "-foreground", 0},
+	 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_MESSAGE_FONT, -1, Tk_Offset(Message, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
diff --git a/generic/tkPanedWindow.c b/generic/tkPanedWindow.c
index 34f91b7..23ecf5d 100644
--- a/generic/tkPanedWindow.c
+++ b/generic/tkPanedWindow.c
@@ -270,11 +270,11 @@ static const Tk_ObjCustomOption stickyOption = {
 static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	 DEF_PANEDWINDOW_BG_COLOR, -1, Tk_Offset(PanedWindow, background), 0,
-	 (ClientData) DEF_PANEDWINDOW_BG_MONO, 0},
+	 DEF_PANEDWINDOW_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	 NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	 NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	 NULL, 0, -1, 0, (ClientData) "-background", 0},
+	 NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	 DEF_PANEDWINDOW_BORDERWIDTH, -1, Tk_Offset(PanedWindow, borderWidth),
 	 0, 0, GEOMETRY},
@@ -295,7 +295,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	 Tk_Offset(PanedWindow, resizeOpaque), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-orient", "orient", "Orient",
 	 DEF_PANEDWINDOW_ORIENT, -1, Tk_Offset(PanedWindow, orient),
-	 0, (ClientData) orientStrings, GEOMETRY},
+	 0, orientStrings, GEOMETRY},
     {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
 	 DEF_PANEDWINDOW_RELIEF, -1, Tk_Offset(PanedWindow, relief), 0, 0, 0},
     {TK_OPTION_CURSOR, "-sashcursor", "sashCursor", "Cursor",
@@ -339,7 +339,7 @@ static const Tk_OptionSpec slaveOptionSpecs[] = {
 	 DEF_PANEDWINDOW_PANE_PADY, -1, Tk_Offset(Slave, pady), 0, 0, 0},
     {TK_OPTION_CUSTOM, "-sticky", NULL, NULL,
 	 DEF_PANEDWINDOW_PANE_STICKY, -1, Tk_Offset(Slave, sticky), 0,
-	 (ClientData) &stickyOption, 0},
+	 &stickyOption, 0},
     {TK_OPTION_STRING_TABLE, "-stretch", "stretch", "Stretch",
 	DEF_PANEDWINDOW_PANE_STRETCH, -1, Tk_Offset(Slave, stretch), 0,
 	(ClientData) stretchStrings, 0},
diff --git a/generic/tkPlace.c b/generic/tkPlace.c
index c7f3a89..22072ce 100644
--- a/generic/tkPlace.c
+++ b/generic/tkPlace.c
@@ -84,7 +84,7 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_ANCHOR, "-anchor", NULL, NULL, "nw", -1,
 	 Tk_Offset(Slave, anchor), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-bordermode", NULL, NULL, "inside", -1,
-	 Tk_Offset(Slave, borderMode), 0, (ClientData) borderModeStrings, 0},
+	 Tk_Offset(Slave, borderMode), 0, borderModeStrings, 0},
     {TK_OPTION_PIXELS, "-height", NULL, NULL, "", Tk_Offset(Slave, heightPtr),
 	 Tk_Offset(Slave, height), TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_WINDOW, "-in", NULL, NULL, "", -1, Tk_Offset(Slave, inTkwin),
diff --git a/generic/tkScale.c b/generic/tkScale.c
index 473904a..5e577e9 100644
--- a/generic/tkScale.c
+++ b/generic/tkScale.c
@@ -42,17 +42,17 @@ static const char *const stateStrings[] = {
 static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
 	DEF_SCALE_ACTIVE_BG_COLOR, -1, Tk_Offset(TkScale, activeBorder),
-	0, (ClientData) DEF_SCALE_ACTIVE_BG_MONO, 0},
+	0, DEF_SCALE_ACTIVE_BG_MONO, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_SCALE_BG_COLOR, -1, Tk_Offset(TkScale, bgBorder),
-	0, (ClientData) DEF_SCALE_BG_MONO, 0},
+	0, DEF_SCALE_BG_MONO, 0},
     {TK_OPTION_DOUBLE, "-bigincrement", "bigIncrement", "BigIncrement",
 	DEF_SCALE_BIG_INCREMENT, -1, Tk_Offset(TkScale, bigIncrement),
 	0, 0, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
+	NULL, 0, -1, 0, "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	DEF_SCALE_BORDER_WIDTH, -1, Tk_Offset(TkScale, borderWidth),
 	0, 0, 0},
@@ -66,7 +66,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	DEF_SCALE_DIGITS, -1, Tk_Offset(TkScale, digits),
 	0, 0, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_SCALE_FONT, -1, Tk_Offset(TkScale, tkfont), 0, 0, 0},
     {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
@@ -77,7 +77,7 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
 	"HighlightBackground", DEF_SCALE_HIGHLIGHT_BG_COLOR,
 	-1, Tk_Offset(TkScale, highlightBorder),
-	0, (ClientData) DEF_SCALE_HIGHLIGHT_BG_MONO, 0},
+	0, DEF_SCALE_HIGHLIGHT_BG_MONO, 0},
     {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
 	DEF_SCALE_HIGHLIGHT, -1, Tk_Offset(TkScale, highlightColorPtr),
 	0, 0, 0},
@@ -91,7 +91,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	DEF_SCALE_LENGTH, -1, Tk_Offset(TkScale, length), 0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-orient", "orient", "Orient",
 	DEF_SCALE_ORIENT, -1, Tk_Offset(TkScale, orient),
-	0, (ClientData) orientStrings, 0},
+	0, orientStrings, 0},
     {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
 	DEF_SCALE_RELIEF, -1, Tk_Offset(TkScale, relief), 0, 0, 0},
     {TK_OPTION_INT, "-repeatdelay", "repeatDelay", "RepeatDelay",
@@ -114,7 +114,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_SCALE_STATE, -1, Tk_Offset(TkScale, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_SCALE_TAKE_FOCUS, Tk_Offset(TkScale, takeFocusPtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
@@ -125,7 +125,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	DEF_SCALE_TO, -1, Tk_Offset(TkScale, toValue), 0, 0, 0},
     {TK_OPTION_COLOR, "-troughcolor", "troughColor", "Background",
 	DEF_SCALE_TROUGH_COLOR, -1, Tk_Offset(TkScale, troughColorPtr),
-	0, (ClientData) DEF_SCALE_TROUGH_MONO, 0},
+	0, DEF_SCALE_TROUGH_MONO, 0},
     {TK_OPTION_STRING, "-variable", "variable", "Variable",
 	DEF_SCALE_VARIABLE, Tk_Offset(TkScale, varNamePtr), -1,
 	TK_OPTION_NULL_OK, 0, 0},
diff --git a/generic/tkSquare.c b/generic/tkSquare.c
index e9b0081..787630d 100644
--- a/generic/tkSquare.c
+++ b/generic/tkSquare.c
@@ -67,20 +67,20 @@ typedef struct {
 static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	    "#d9d9d9", Tk_Offset(Square, bgBorderPtr), -1, 0,
-	    (ClientData) "white", 0},
+	    "white", 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL, NULL, 0, -1, 0,
-	    (ClientData) "-borderwidth", 0},
+	    "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL, NULL, 0, -1, 0,
-	    (ClientData) "-background", 0},
+	    "-background", 0},
     {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
 	    "2", Tk_Offset(Square, borderWidthPtr), -1, 0, NULL, 0},
     {TK_OPTION_BOOLEAN, "-dbl", "doubleBuffer", "DoubleBuffer",
 	    "1", Tk_Offset(Square, doubleBufferPtr), -1, 0 , NULL, 0},
     {TK_OPTION_SYNONYM, "-fg", NULL, NULL, NULL, 0, -1, 0,
-	    (ClientData) "-foreground", 0},
+	    "-foreground", 0},
     {TK_OPTION_BORDER, "-foreground", "foreground", "Foreground",
 	    "#b03060", Tk_Offset(Square, fgBorderPtr), -1, 0,
-	    (ClientData) "black", 0},
+	    "black", 0},
     {TK_OPTION_PIXELS, "-posx", "posx", "PosX", "0",
 	    Tk_Offset(Square, xPtr), -1, 0, NULL, 0},
     {TK_OPTION_PIXELS, "-posy", "posy", "PosY", "0",
diff --git a/generic/tkTest.c b/generic/tkTest.c
index 1df8ae8..bd15739 100644
--- a/generic/tkTest.c
+++ b/generic/tkTest.c
@@ -591,10 +591,10 @@ TestobjconfigObjCmd(
 	    {TK_OPTION_STRING_TABLE,
 		"-stringtable", "StringTable", "stringTable",
 		"one", Tk_Offset(TypesRecord, stringTablePtr), -1,
-		TK_CONFIG_NULL_OK, (ClientData) stringTable, 0x10},
+		TK_CONFIG_NULL_OK, stringTable, 0x10},
 	    {TK_OPTION_COLOR, "-color", "color", "Color",
 		"red", Tk_Offset(TypesRecord, colorPtr), -1,
-		TK_CONFIG_NULL_OK, (ClientData) "black", 0x20},
+		TK_CONFIG_NULL_OK, "black", 0x20},
 	    {TK_OPTION_FONT, "-font", "font", "Font", "Helvetica 12",
 		Tk_Offset(TypesRecord, fontPtr), -1,
 		TK_CONFIG_NULL_OK, 0, 0x40},
@@ -603,7 +603,7 @@ TestobjconfigObjCmd(
 		TK_CONFIG_NULL_OK, 0, 0x80},
 	    {TK_OPTION_BORDER, "-border", "border", "Border",
 		"blue", Tk_Offset(TypesRecord, borderPtr), -1,
-		TK_CONFIG_NULL_OK, (ClientData) "white", 0x100},
+		TK_CONFIG_NULL_OK, "white", 0x100},
 	    {TK_OPTION_RELIEF, "-relief", "relief", "Relief", "raised",
 		Tk_Offset(TypesRecord, reliefPtr), -1,
 		TK_CONFIG_NULL_OK, 0, 0x200},
@@ -621,9 +621,9 @@ TestobjconfigObjCmd(
 		TK_CONFIG_NULL_OK, 0, 0x2000},
 	    {TK_OPTION_CUSTOM, "-custom", NULL, NULL,
 		"", Tk_Offset(TypesRecord, customPtr), -1,
-		TK_CONFIG_NULL_OK, (ClientData)&CustomOption, 0x4000},
+		TK_CONFIG_NULL_OK, &CustomOption, 0x4000},
 	    {TK_OPTION_SYNONYM, "-synonym", NULL, NULL,
-		NULL, 0, -1, 0, (ClientData) "-color", 0x8000},
+		NULL, 0, -1, 0, "-color", 0x8000},
 	    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, NULL, 0}
 	};
 	Tk_OptionTable optionTable;
@@ -862,10 +862,10 @@ TestobjconfigObjCmd(
 	    {TK_OPTION_STRING_TABLE,
 		"-stringtable", "StringTable", "stringTable", "one",
 		-1, Tk_Offset(InternalRecord, index),
-		TK_CONFIG_NULL_OK, (ClientData) internalStringTable, 0x10},
+		TK_CONFIG_NULL_OK, internalStringTable, 0x10},
 	    {TK_OPTION_COLOR, "-color", "color", "Color", "red",
 		-1, Tk_Offset(InternalRecord, colorPtr),
-		TK_CONFIG_NULL_OK, (ClientData) "black", 0x20},
+		TK_CONFIG_NULL_OK, "black", 0x20},
 	    {TK_OPTION_FONT, "-font", "font", "Font", "Helvetica 12",
 		-1, Tk_Offset(InternalRecord, tkfont),
 		TK_CONFIG_NULL_OK, 0, 0x40},
@@ -874,7 +874,7 @@ TestobjconfigObjCmd(
 		TK_CONFIG_NULL_OK, 0, 0x80},
 	    {TK_OPTION_BORDER, "-border", "border", "Border", "blue",
 		-1, Tk_Offset(InternalRecord, border),
-		TK_CONFIG_NULL_OK, (ClientData) "white", 0x100},
+		TK_CONFIG_NULL_OK, "white", 0x100},
 	    {TK_OPTION_RELIEF, "-relief", "relief", "Relief", "raised",
 		-1, Tk_Offset(InternalRecord, relief),
 		TK_CONFIG_NULL_OK, 0, 0x200},
@@ -895,9 +895,9 @@ TestobjconfigObjCmd(
 		TK_CONFIG_NULL_OK, 0, 0},
 	    {TK_OPTION_CUSTOM, "-custom", NULL, NULL, "",
 		-1, Tk_Offset(InternalRecord, custom),
-		TK_CONFIG_NULL_OK, (ClientData)&CustomOption, 0x4000},
+		TK_CONFIG_NULL_OK, &CustomOption, 0x4000},
 	    {TK_OPTION_SYNONYM, "-synonym", NULL, NULL,
-		NULL, -1, -1, 0, (ClientData) "-color", 0x8000},
+		NULL, -1, -1, 0, "-color", 0x8000},
 	    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, NULL, 0}
 	};
 	Tk_OptionTable optionTable;
diff --git a/generic/tkText.c b/generic/tkText.c
index d1f489d..56a98e7 100644
--- a/generic/tkText.c
+++ b/generic/tkText.c
@@ -125,12 +125,12 @@ static const Tk_OptionSpec optionSpecs[] = {
 	Tk_Offset(TkText, autoSeparators), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_TEXT_BG_COLOR, -1, Tk_Offset(TkText, border),
-	0, (ClientData) DEF_TEXT_BG_MONO, 0},
+	0, DEF_TEXT_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-borderwidth",
+	NULL, 0, -1, 0, "-borderwidth",
 	TK_TEXT_LINE_GEOMETRY},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
-	NULL, 0, -1, 0, (ClientData) "-background", 0},
+	NULL, 0, -1, 0, "-background", 0},
     {TK_OPTION_BOOLEAN, "-blockcursor", "blockCursor",
 	"BlockCursor", DEF_TEXT_BLOCK_CURSOR, -1,
 	Tk_Offset(TkText, insertCursorType), 0, 0, 0},
@@ -142,12 +142,12 @@ static const Tk_OptionSpec optionSpecs[] = {
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_CUSTOM, "-endline", NULL, NULL,
 	 NULL, -1, Tk_Offset(TkText, end), TK_OPTION_NULL_OK,
-	 (ClientData) &lineOption, TK_TEXT_LINE_RANGE},
+	 &lineOption, TK_TEXT_LINE_RANGE},
     {TK_OPTION_BOOLEAN, "-exportselection", "exportSelection",
 	"ExportSelection", DEF_TEXT_EXPORT_SELECTION, -1,
 	Tk_Offset(TkText, exportSelection), 0, 0, 0},
     {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
-	NULL, 0, -1, 0, (ClientData) "-foreground", 0},
+	NULL, 0, -1, 0, "-foreground", 0},
     {TK_OPTION_FONT, "-font", "font", "Font",
 	DEF_TEXT_FONT, -1, Tk_Offset(TkText, tkfont), 0, 0,
 	TK_TEXT_LINE_GEOMETRY},
@@ -170,7 +170,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	"Foreground",
 	DEF_TEXT_INACTIVE_SELECT_COLOR,
 	-1, Tk_Offset(TkText, inactiveSelBorder),
-	TK_OPTION_NULL_OK, (ClientData) DEF_TEXT_SELECT_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_TEXT_SELECT_MONO, 0},
     {TK_OPTION_BORDER, "-insertbackground", "insertBackground", "Foreground",
 	DEF_TEXT_INSERT_BG,
 	-1, Tk_Offset(TkText, insertBorder),
@@ -188,7 +188,7 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_STRING_TABLE,
 	"-insertunfocussed", "insertUnfocussed", "InsertUnfocussed",
 	DEF_TEXT_INSERT_UNFOCUSSED, -1, Tk_Offset(TkText, insertUnfocussed),
-	0, (ClientData) insertUnfocussedStrings, 0},
+	0, insertUnfocussedStrings, 0},
     {TK_OPTION_PIXELS, "-insertwidth", "insertWidth", "InsertWidth",
 	DEF_TEXT_INSERT_WIDTH, -1, Tk_Offset(TkText, insertWidth),
 	0, 0, 0},
@@ -203,15 +203,15 @@ static const Tk_OptionSpec optionSpecs[] = {
 	DEF_TEXT_RELIEF, -1, Tk_Offset(TkText, relief), 0, 0, 0},
     {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground",
 	DEF_TEXT_SELECT_COLOR, -1, Tk_Offset(TkText, selBorder),
-	0, (ClientData) DEF_TEXT_SELECT_MONO, 0},
+	0, DEF_TEXT_SELECT_MONO, 0},
     {TK_OPTION_PIXELS, "-selectborderwidth", "selectBorderWidth",
 	"BorderWidth", DEF_TEXT_SELECT_BD_COLOR,
 	Tk_Offset(TkText, selBorderWidthPtr),
 	Tk_Offset(TkText, selBorderWidth),
-	TK_OPTION_NULL_OK, (ClientData) DEF_TEXT_SELECT_BD_MONO, 0},
+	TK_OPTION_NULL_OK, DEF_TEXT_SELECT_BD_MONO, 0},
     {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background",
 	DEF_TEXT_SELECT_FG_COLOR, -1, Tk_Offset(TkText, selFgColorPtr),
-	TK_CONFIG_NULL_OK, (ClientData) DEF_TEXT_SELECT_FG_MONO, 0},
+	TK_CONFIG_NULL_OK, DEF_TEXT_SELECT_FG_MONO, 0},
     {TK_OPTION_BOOLEAN, "-setgrid", "setGrid", "SetGrid",
 	DEF_TEXT_SET_GRID, -1, Tk_Offset(TkText, setGrid), 0, 0, 0},
     {TK_OPTION_PIXELS, "-spacing1", "spacing1", "Spacing",
@@ -225,16 +225,16 @@ static const Tk_OptionSpec optionSpecs[] = {
 	TK_OPTION_DONT_SET_DEFAULT, 0 , TK_TEXT_LINE_GEOMETRY },
     {TK_OPTION_CUSTOM, "-startline", NULL, NULL,
 	 NULL, -1, Tk_Offset(TkText, start), TK_OPTION_NULL_OK,
-	 (ClientData) &lineOption, TK_TEXT_LINE_RANGE},
+	 &lineOption, TK_TEXT_LINE_RANGE},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_TEXT_STATE, -1, Tk_Offset(TkText, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-tabs", "tabs", "Tabs",
 	DEF_TEXT_TABS, Tk_Offset(TkText, tabOptionPtr), -1,
 	TK_OPTION_NULL_OK, 0, TK_TEXT_LINE_GEOMETRY},
     {TK_OPTION_STRING_TABLE, "-tabstyle", "tabStyle", "TabStyle",
 	DEF_TEXT_TABSTYLE, -1, Tk_Offset(TkText, tabStyle),
-	0, (ClientData) tabStyleStrings, TK_TEXT_LINE_GEOMETRY},
+	0, tabStyleStrings, TK_TEXT_LINE_GEOMETRY},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_TEXT_TAKE_FOCUS, -1, Tk_Offset(TkText, takeFocus),
 	TK_OPTION_NULL_OK, 0, 0},
@@ -245,7 +245,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	TK_TEXT_LINE_GEOMETRY},
     {TK_OPTION_STRING_TABLE, "-wrap", "wrap", "Wrap",
 	DEF_TEXT_WRAP, -1, Tk_Offset(TkText, wrapMode),
-	0, (ClientData) wrapStrings, TK_TEXT_LINE_GEOMETRY},
+	0, wrapStrings, TK_TEXT_LINE_GEOMETRY},
     {TK_OPTION_STRING, "-xscrollcommand", "xScrollCommand", "ScrollCommand",
 	DEF_TEXT_XSCROLL_COMMAND, -1, Tk_Offset(TkText, xScrollCmd),
 	TK_OPTION_NULL_OK, 0, 0},
diff --git a/generic/tkTextImage.c b/generic/tkTextImage.c
index 83684c1..47ee49a 100644
--- a/generic/tkTextImage.c
+++ b/generic/tkTextImage.c
@@ -84,7 +84,7 @@ typedef enum {
 static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_STRING_TABLE, "-align", NULL, NULL,
 	"center", -1, Tk_Offset(TkTextEmbImage, align),
-	0, (ClientData) alignStrings, 0},
+	0, alignStrings, 0},
     {TK_OPTION_PIXELS, "-padx", NULL, NULL,
 	"0", -1, Tk_Offset(TkTextEmbImage, padX), 0, 0, 0},
     {TK_OPTION_PIXELS, "-pady", NULL, NULL,
diff --git a/generic/tkTextTag.c b/generic/tkTextTag.c
index 38a1c44..9afda0a 100644
--- a/generic/tkTextTag.c
+++ b/generic/tkTextTag.c
@@ -80,13 +80,13 @@ static const Tk_OptionSpec tagOptionSpecs[] = {
 	NULL, Tk_Offset(TkTextTag, tabStringPtr), -1, TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-tabstyle", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, tabStyle),
-	TK_OPTION_NULL_OK, (ClientData) tabStyleStrings, 0},
+	TK_OPTION_NULL_OK, tabStyleStrings, 0},
     {TK_OPTION_STRING, "-underline", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, underlineString),
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-wrap", NULL, NULL,
 	NULL, -1, Tk_Offset(TkTextTag, wrapMode),
-	TK_OPTION_NULL_OK, (ClientData) wrapStrings, 0},
+	TK_OPTION_NULL_OK, wrapStrings, 0},
     {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0}
 };
 
diff --git a/generic/tkTextWind.c b/generic/tkTextWind.c
index e54aeef..58d3198 100644
--- a/generic/tkTextWind.c
+++ b/generic/tkTextWind.c
@@ -100,7 +100,7 @@ typedef enum {
 static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_STRING_TABLE, "-align", NULL, NULL,
 	"center", -1, Tk_Offset(TkTextEmbWindow, align),
-	0, (ClientData) alignStrings, 0},
+	0, alignStrings, 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,