Merge trunk

168 files changed, 3249 insertions, 2315 deletions

diff --git a/doc/clock.n b/doc/clock.n
index 889a5da..ac50e36 100644
--- a/doc/clock.n
+++ b/doc/clock.n
@@ -89,10 +89,9 @@ have 59 or 61 seconds.
 .TP
 \fIunit\fR
 One of the words, \fBseconds\fR, \fBminutes\fR, \fBhours\fR,
-\fBdays\fR, \fBweeks\fR, \fBmonths\fR, or \fByears\fR, or
-any unique prefix of such a word. Used in conjunction with \fIcount\fR
-to identify an interval of time, for example, \fI3 seconds\fR or
-\fI1 year\fR.
+\fBdays\fR, \fBweekdays\fR, \fBweeks\fR, \fBmonths\fR, or \fByears\fR.
+Used in conjunction with \fIcount\fR to identify an interval of time,
+for example, \fI3 seconds\fR or \fI1 year\fR.
 .SS "OPTIONS"
 .TP
 \fB\-base\fR time
@@ -175,8 +174,7 @@ given as its first argument.  The remaining arguments (other than the
 possible \fB\-timezone\fR, \fB\-locale\fR and \fB\-gmt\fR options)
 are integers and keywords in alternation, where the keywords are chosen
 from \fBseconds\fR, \fBminutes\fR, \fBhours\fR,
-\fBdays\fR, \fBweeks\fR, \fBmonths\fR, or \fByears\fR, or
-any unique prefix of such a word.
+\fBdays\fR, \fBweekdays\fR, \fBweeks\fR, \fBmonths\fR, or \fByears\fR.
 .PP
 Addition of seconds, minutes and hours is fairly straightforward;
 the given time increment (times sixty for minutes, or 3600 for hours)
@@ -213,7 +211,8 @@ the given time to a calendar day and time of day in the appropriate
 time zone and locale.  The requisite number of days (weeks are converted
 to days by multiplying by seven) is added to the calendar day, and
 the date and time are then converted back to a count of seconds from
-the epoch time.
+the epoch time.  The \fBweekdays\fR keyword is similar to \fBdays\fR,
+with the only difference that weekends - Saturdays and Sundays - are skipped.
 .PP
 Adding and subtracting a given number of days across the point that
 the time changes at the start or end of summer time (Daylight Saving Time)
diff --git a/doc/package.n b/doc/package.n
index a6a972f..47b2aa6 100644
--- a/doc/package.n
+++ b/doc/package.n
@@ -283,8 +283,8 @@ error.
 .PP
 When an interpreter is created, its initial selection mode value is set to
 .QW stable
-unless the environment variable \fBTCL_PKG_PREFER_LATEST\fR
-is set.  If that environment variable is defined (with any value) then
+unless the environment variable \fBTCL_PKG_PREFER_LATEST\fR is set
+(to any value) or the Tcl package itself is unstable. Otherwise
 the initial (and permanent) selection mode value is set to
 .QW latest .
 .RE
diff --git a/doc/tcltest.n b/doc/tcltest.n
index cedc763..05c1922 100644
--- a/doc/tcltest.n
+++ b/doc/tcltest.n
@@ -872,8 +872,8 @@ harness are doing.
 .
 Sets the type of output verbosity desired to \fIlevel\fR,
 a list of zero or more of the elements \fBbody\fR, \fBpass\fR,
-\fBskip\fR, \fBstart\fR, \fBerror\fR and \fBline\fR.  Default value
-is
+\fBskip\fR, \fBstart\fR, \fBerror\fR, \fBline\fR, \fBmsec\fR and \fBusec\fR.
+Default value is
 .QW "\fBbody error\fR" .
 Levels are defined as:
 .RS
@@ -890,6 +890,16 @@ Print errorInfo and errorCode, if they exist, when a test return code
 does not match its expected return code
 .IP "line (\fBl\fR)"
 Print source file line information of failed tests
+.IP "msec (\fBm\fR)"
+Print each test's execution time in milliseconds
+.IP "usec (\fBu\fR)"
+Print each test's execution time in microseconds
+.PP
+Note that the \fBmsec\fR and \fBusec\fR verbosity levels are provided as
+indicative measures only. They do not tackle the problem of repeatibility which
+should be considered in performance tests or benchmarks. To use these verbosity
+levels to thoroughly track performance degradations, consider wrapping your
+test bodies with \fBtime\fR commands.
 .PP
 The single letter abbreviations noted above are also recognized
 so that
diff --git a/doc/tell.n b/doc/tell.n
index 1da240d..a56e9e3 100644
--- a/doc/tell.n
+++ b/doc/tell.n
@@ -16,7 +16,7 @@ tell \- Return current access position for an open channel
 .BE
 .SH DESCRIPTION
 .PP
-Returns an integer string giving the current access position in
+Returns an integer giving the current access position in
 \fIchannelId\fR.  This value returned is a byte offset that can be passed to
 \fBseek\fR in order to set the channel to a particular position.  Note
 that this value is in terms of bytes, not characters like \fBread\fR.
diff --git a/generic/regc_lex.c b/generic/regc_lex.c
index 16e3ae9..affcb48 100644
--- a/generic/regc_lex.c
+++ b/generic/regc_lex.c
@@ -256,20 +256,33 @@ static const chr brbacks[] = {	/* \s within brackets */
     CHR('s'), CHR('p'), CHR('a'), CHR('c'), CHR('e'),
     CHR(':'), CHR(']')
 };
+
+#define PUNCT_CONN \
+	CHR('_'), \
+	0x203f /* UNDERTIE */, \
+	0x2040 /* CHARACTER TIE */,\
+	0x2054 /* INVERTED UNDERTIE */,\
+	0xfe33 /* PRESENTATION FORM FOR VERTICAL LOW LINE */, \
+	0xfe34 /* PRESENTATION FORM FOR VERTICAL WAVY LOW LINE */, \
+	0xfe4d /* DASHED LOW LINE */, \
+	0xfe4e /* CENTRELINE LOW LINE */, \
+	0xfe4f /* WAVY LOW LINE */, \
+	0xff3f /* FULLWIDTH LOW LINE */
+
 static const chr backw[] = {	/* \w */
     CHR('['), CHR('['), CHR(':'),
     CHR('a'), CHR('l'), CHR('n'), CHR('u'), CHR('m'),
-    CHR(':'), CHR(']'), CHR('_'), CHR(']')
+    CHR(':'), CHR(']'), PUNCT_CONN, CHR(']')
 };
 static const chr backW[] = {	/* \W */
     CHR('['), CHR('^'), CHR('['), CHR(':'),
     CHR('a'), CHR('l'), CHR('n'), CHR('u'), CHR('m'),
-    CHR(':'), CHR(']'), CHR('_'), CHR(']')
+    CHR(':'), CHR(']'), PUNCT_CONN, CHR(']')
 };
 static const chr brbackw[] = {	/* \w within brackets */
     CHR('['), CHR(':'),
     CHR('a'), CHR('l'), CHR('n'), CHR('u'), CHR('m'),
-    CHR(':'), CHR(']'), CHR('_')
+    CHR(':'), CHR(']'), PUNCT_CONN
 };
 
 /*
diff --git a/generic/tcl.h b/generic/tcl.h
index 58ba7e5..3cd90a9 100644
--- a/generic/tcl.h
+++ b/generic/tcl.h
@@ -1165,18 +1165,6 @@ typedef Tcl_HashEntry * (Tcl_AllocHashEntryProc) (Tcl_HashTable *tablePtr,
 typedef void (Tcl_FreeHashEntryProc) (Tcl_HashEntry *hPtr);
 
 /*
- * This flag controls whether the hash table stores the hash of a key, or
- * recalculates it. There should be no reason for turning this flag off as it
- * is completely binary and source compatible unless you directly access the
- * bucketPtr member of the Tcl_HashTableEntry structure. This member has been
- * removed and the space used to store the hash value.
- */
-
-#ifndef TCL_HASH_KEY_STORE_HASH
-#   define TCL_HASH_KEY_STORE_HASH 1
-#endif
-
-/*
  * Structure definition for an entry in a hash table. No-one outside Tcl
  * should access any of these fields directly; use the macros defined below.
  */
@@ -1185,15 +1173,9 @@ struct Tcl_HashEntry {
     Tcl_HashEntry *nextPtr;	/* Pointer to next entry in this hash bucket,
 				 * or NULL for end of chain. */
     Tcl_HashTable *tablePtr;	/* Pointer to table containing entry. */
-#if TCL_HASH_KEY_STORE_HASH
     void *hash;			/* Hash value, stored as pointer to ensure
 				 * that the offsets of the fields in this
 				 * structure are not changed. */
-#else
-    Tcl_HashEntry **bucketPtr;	/* Pointer to bucket that points to first
-				 * entry in this entry's chain: used for
-				 * deleting the entry. */
-#endif
     ClientData clientData;	/* Application stores something here with
 				 * Tcl_SetHashValue. */
     union {			/* Key has one of these forms: */
diff --git a/generic/tclAssembly.c b/generic/tclAssembly.c
index 6d5676b..8dd23a0 100644
--- a/generic/tclAssembly.c
+++ b/generic/tclAssembly.c
@@ -866,7 +866,7 @@ CompileAssembleObj(
 	 * Not valid, so free it and regenerate.
 	 */
 
-	FreeAssembleCodeInternalRep(objPtr);
+	TclFreeIntRep(objPtr);
     }
 
     /*
@@ -891,15 +891,13 @@ CompileAssembleObj(
      */
 
     TclEmitOpcode(INST_DONE, &compEnv);
-    TclInitByteCodeObj(objPtr, &compEnv);
-    objPtr->typePtr = &assembleCodeType;
+    codePtr = TclInitByteCodeObj(objPtr, &assembleCodeType, &compEnv);
     TclFreeCompileEnv(&compEnv);
 
     /*
      * Record the local variable context to which the bytecode pertains
      */
 
-    codePtr = objPtr->internalRep.twoPtrValue.ptr1;
     if (iPtr->varFramePtr->localCachePtr) {
 	codePtr->localCachePtr = iPtr->varFramePtr->localCachePtr;
 	codePtr->localCachePtr->refCount++;
@@ -3984,10 +3982,12 @@ UnstackExpiredCatches(
 
     while (catchDepth > bbPtr->catchDepth) {
 	--catchDepth;
-	range = envPtr->exceptArrayPtr + catchIndices[catchDepth];
-	range->numCodeBytes = bbPtr->startOffset - range->codeOffset;
-	catches[catchDepth] = NULL;
-	catchIndices[catchDepth] = -1;
+	if (catches[catchDepth] != NULL) {
+	    range = envPtr->exceptArrayPtr + catchIndices[catchDepth];
+	    range->numCodeBytes = bbPtr->startOffset - range->codeOffset;
+	    catches[catchDepth] = NULL;
+	    catchIndices[catchDepth] = -1;
+	}
     }
 
     /*
@@ -4313,11 +4313,7 @@ FreeAssembleCodeInternalRep(
 {
     ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1;
 
-    codePtr->refCount--;
-    if (codePtr->refCount <= 0) {
-	TclCleanupByteCode(codePtr);
-    }
-    objPtr->typePtr = NULL;
+    TclReleaseByteCode(codePtr);
 }
 
 /*
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index e5d7406..505f6c2 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -580,11 +580,12 @@ Tcl_CreateInterp(void)
     iPtr->packageUnknown = NULL;
 
     /* TIP #268 */
+#if (TCL_RELEASE_LEVEL == TCL_FINAL_RELEASE)
     if (getenv("TCL_PKG_PREFER_LATEST") == NULL) {
 	iPtr->packagePrefer = PKG_PREFER_STABLE;
-    } else {
+    } else
+#endif
 	iPtr->packagePrefer = PKG_PREFER_LATEST;
-    }
 
     iPtr->cmdCount = 0;
     TclInitLiteralTable(&iPtr->literalTable);
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c
index 739dca9..0d35397 100644
--- a/generic/tclCmdIL.c
+++ b/generic/tclCmdIL.c
@@ -2755,7 +2755,7 @@ Tcl_LreplaceObjCmd(
      * (to allow for replacing the last elem).
      */
 
-    if ((first >= listLen) && (listLen > 0)) {
+    if ((first > listLen) && (listLen > 0)) {
 	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
 		"list doesn't contain element %s", TclGetString(objv[2])));
 	Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LREPLACE", "BADIDX",
diff --git a/generic/tclCompCmdsGR.c b/generic/tclCompCmdsGR.c
index e674fb0..ffe39ba 100644
--- a/generic/tclCompCmdsGR.c
+++ b/generic/tclCompCmdsGR.c
@@ -1488,8 +1488,27 @@ TclCompileLreplaceCmd(
 	return TCL_ERROR;
     }
 
-    if(idx2 != INDEX_END && idx2 >= 0 && idx2 < idx1) {
-	idx2 = idx1-1;
+    /*
+     * idx1, idx2 are now in canonical form:
+     *
+     *  - integer:	[0,len+1]
+     *  - end index:    INDEX_END
+     *  - -ive offset:  INDEX_END-[len-1,0]
+     *  - +ive offset:  INDEX_END+1
+     */
+
+    /*
+     * Compilation fails when one index is end-based but the other isn't.
+     * Fixing this will require more bytecodes, but this is a workaround for
+     * now. [Bug 47ac84309b]
+     */
+
+    if ((idx1 <= INDEX_END) != (idx2 <= INDEX_END)) {
+	return TCL_ERROR;
+    }
+
+    if (idx2 != INDEX_END && idx2 >= 0 && idx2 < idx1) {
+	idx2 = idx1 - 1;
     }
 
     /*
@@ -1511,6 +1530,9 @@ TclCompileLreplaceCmd(
 	    idx1 = 0;
 	    goto dropEnd;
 	} else {
+	    if (idx2 < idx1) {
+		idx2 = idx1 - 1;
+	    }
 	    if (idx1 > 0) {
 		tmpObj = Tcl_NewIntObj(idx1);
 		Tcl_IncrRefCount(tmpObj);
@@ -1538,9 +1560,7 @@ TclCompileLreplaceCmd(
 	idx1 = 0;
 	goto replaceTail;
     } else {
-	if (idx1 > 0 && idx2 > 0 && idx2 < idx1) {
-	    idx2 = idx1 - 1;
-	} else if (idx1 < 0 && idx2 < 0 && idx2 < idx1) {
+	if (idx2 < idx1) {
 	    idx2 = idx1 - 1;
 	}
 	if (idx1 > 0) {
@@ -1556,7 +1576,7 @@ TclCompileLreplaceCmd(
      * operate on.
      */
 
-  dropAll:
+  dropAll:			/* This just ensures the arg is a list. */
     TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
     TclEmitOpcode(		INST_POP,			envPtr);
     PushStringLiteral(envPtr,	"");
@@ -1569,12 +1589,21 @@ TclCompileLreplaceCmd(
 
   dropRange:
     if (tmpObj != NULL) {
+	/*
+	 * Emit bytecode to check the list length.
+	 */
+
 	TclEmitOpcode(		INST_DUP,			envPtr);
 	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
 	TclEmitPush(TclAddLiteralObj(envPtr, tmpObj, NULL),	envPtr);
-	TclEmitOpcode(		INST_GT,			envPtr);
+	TclEmitOpcode(		INST_GE,			envPtr);
 	offset = CurrentOffset(envPtr);
 	TclEmitInstInt1(	INST_JUMP_TRUE1, 0,		envPtr);
+
+	/*
+	 * Emit an error if we've been given an empty list.
+	 */
+
 	TclEmitOpcode(		INST_DUP,			envPtr);
 	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
 	offset2 = CurrentOffset(envPtr);
@@ -1625,16 +1654,30 @@ TclCompileLreplaceCmd(
 
   replaceRange:
     if (tmpObj != NULL) {
+	/*
+	 * Emit bytecode to check the list length.
+	 */
+
 	TclEmitOpcode(		INST_DUP,			envPtr);
 	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
+
+	/*
+	 * Check the list length vs idx1.
+	 */
+
 	TclEmitPush(TclAddLiteralObj(envPtr, tmpObj, NULL),	envPtr);
-	TclEmitOpcode(		INST_GT,			envPtr);
+	TclEmitOpcode(		INST_GE,			envPtr);
 	offset = CurrentOffset(envPtr);
 	TclEmitInstInt1(	INST_JUMP_TRUE1, 0,		envPtr);
+
+	/*
+	 * Emit an error if we've been given an empty list.
+	 */
+
 	TclEmitOpcode(		INST_DUP,			envPtr);
 	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
 	offset2 = CurrentOffset(envPtr);
-	TclEmitInstInt1(	INST_JUMP_TRUE1, 0,		envPtr);
+	TclEmitInstInt1(	INST_JUMP_FALSE1, 0,		envPtr);
 	TclEmitPush(TclAddLiteralObj(envPtr, Tcl_ObjPrintf(
 		"list doesn't contain element %d", idx1), NULL), envPtr);
 	CompileReturnInternal(envPtr, INST_RETURN_IMM, TCL_ERROR, 0,
@@ -2966,10 +3009,12 @@ IndexTailVarIfKnown(
     } else {
 	full = 0;
 	lastTokenPtr = varTokenPtr + n;
-	if (!TclWordKnownAtCompileTime(lastTokenPtr, tailPtr)) {
+
+	if (lastTokenPtr->type != TCL_TOKEN_TEXT) {
 	    Tcl_DecrRefCount(tailPtr);
 	    return -1;
 	}
+	Tcl_SetStringObj(tailPtr, lastTokenPtr->start, lastTokenPtr->size);
     }
 
     tailName = TclGetStringFromObj(tailPtr, &len);
diff --git a/generic/tclCompCmdsSZ.c b/generic/tclCompCmdsSZ.c
index ef9340e..101edbd 100644
--- a/generic/tclCompCmdsSZ.c
+++ b/generic/tclCompCmdsSZ.c
@@ -2028,7 +2028,7 @@ IssueSwitchChainedTests(
     int foundDefault;		/* Flag to indicate whether a "default" clause
 				 * is present. */
     JumpFixup *fixupArray;	/* Array of forward-jump fixup records. */
-    int *fixupTargetArray;	/* Array of places for fixups to point at. */
+    unsigned int *fixupTargetArray; /* Array of places for fixups to point at. */
     int fixupCount;		/* Number of places to fix up. */
     int contFixIndex;		/* Where the first of the jumps due to a group
 				 * of continuation bodies starts, or -1 if
diff --git a/generic/tclCompExpr.c b/generic/tclCompExpr.c
index 50edbec..654666a 100644
--- a/generic/tclCompExpr.c
+++ b/generic/tclCompExpr.c
@@ -564,13 +564,13 @@ ParseExpr(
 {
     OpNode *nodes = NULL;	/* Pointer to the OpNode storage array where
 				 * we build the parse tree. */
-    int nodesAvailable = 64;	/* Initial size of the storage array. This
+    unsigned int nodesAvailable = 64; /* Initial size of the storage array. This
 				 * value establishes a minimum tree memory
 				 * cost of only about 1 kibyte, and is large
 				 * enough for most expressions to parse with
 				 * no need for array growth and
 				 * reallocation. */
-    int nodesUsed = 0;		/* Number of OpNodes filled. */
+    unsigned int nodesUsed = 0;	/* Number of OpNodes filled. */
     int scanned = 0;		/* Capture number of byte scanned by parsing
 				 * routines. */
     int lastParsed;		/* Stores info about what the lexeme parsed
@@ -662,7 +662,7 @@ ParseExpr(
 	 */
 
 	if (nodesUsed >= nodesAvailable) {
-	    int size = nodesUsed * 2;
+	    unsigned int size = nodesUsed * 2;
 	    OpNode *newPtr = NULL;
 
 	    do {
@@ -2181,7 +2181,6 @@ ExecConstantExprTree(
     CompileEnv *envPtr;
     ByteCode *byteCodePtr;
     int code;
-    Tcl_Obj *byteCodeObj = Tcl_NewObj();
     NRE_callback *rootPtr = TOP_CB(interp);
 
     /*
@@ -2195,14 +2194,12 @@ ExecConstantExprTree(
     CompileExprTree(interp, nodes, index, litObjvPtr, NULL, NULL, envPtr,
 	    0 /* optimize */);
     TclEmitOpcode(INST_DONE, envPtr);
-    Tcl_IncrRefCount(byteCodeObj);
-    TclInitByteCodeObj(byteCodeObj, envPtr);
+    byteCodePtr = TclInitByteCode(envPtr);
     TclFreeCompileEnv(envPtr);
     TclStackFree(interp, envPtr);
-    byteCodePtr = byteCodeObj->internalRep.twoPtrValue.ptr1;
     TclNRExecuteByteCode(interp, byteCodePtr);
     code = TclNRRunCallbacks(interp, TCL_OK, rootPtr);
-    Tcl_DecrRefCount(byteCodeObj);
+    TclReleaseByteCode(byteCodePtr);
     return code;
 }
 
diff --git a/generic/tclCompile.c b/generic/tclCompile.c
index 4c259ab..2042bcc 100644
--- a/generic/tclCompile.c
+++ b/generic/tclCompile.c
@@ -661,6 +661,7 @@ InstructionDesc const tclInstructionTable[] = {
  * Prototypes for procedures defined later in this file:
  */
 
+static void		CleanupByteCode(ByteCode *codePtr);
 static ByteCode *	CompileSubstObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
 			    int flags);
 static void		DupByteCodeInternalRep(Tcl_Obj *srcPtr,
@@ -676,6 +677,7 @@ static void		FreeSubstCodeInternalRep(Tcl_Obj *objPtr);
 static int		GetCmdLocEncodingSize(CompileEnv *envPtr);
 static int		IsCompactibleCompileEnv(Tcl_Interp *interp,
 			    CompileEnv *envPtr);
+static void		PreventCycle(Tcl_Obj *objPtr, CompileEnv *envPtr);
 #ifdef TCL_COMPILE_STATS
 static void		RecordByteCodeStats(ByteCode *codePtr);
 #endif /* TCL_COMPILE_STATS */
@@ -866,7 +868,7 @@ TclSetByteCodeFromAny(
 #endif /*TCL_COMPILE_DEBUG*/
 
     if (result == TCL_OK) {
-	TclInitByteCodeObj(objPtr, &compEnv);
+	(void) TclInitByteCodeObj(objPtr, &tclByteCodeType, &compEnv);
 #ifdef TCL_COMPILE_DEBUG
 	if (tclTraceCompile >= 2) {
 	    TclPrintByteCodeObj(interp, objPtr);
@@ -967,16 +969,13 @@ FreeByteCodeInternalRep(
 {
     register ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1;
 
-    objPtr->typePtr = NULL;
-    if (codePtr->refCount-- <= 1) {
-	TclCleanupByteCode(codePtr);
-    }
+    TclReleaseByteCode(codePtr);
 }
 
 /*
  *----------------------------------------------------------------------
  *
- * TclCleanupByteCode --
+ * TclReleaseByteCode --
  *
  *	This procedure does all the real work of freeing up a bytecode
  *	object's ByteCode structure. It's called only when the structure's
@@ -993,7 +992,26 @@ FreeByteCodeInternalRep(
  */
 
 void
-TclCleanupByteCode(
+TclPreserveByteCode(
+    register ByteCode *codePtr)
+{
+    codePtr->refCount++;
+}
+
+void
+TclReleaseByteCode(
+    register ByteCode *codePtr)
+{
+    if (--codePtr->refCount) {
+	return;
+    }
+
+    /* Just dropped to refcount==0.  Clean up. */
+    CleanupByteCode(codePtr);
+}
+
+static void
+CleanupByteCode(
     register ByteCode *codePtr)	/* Points to the ByteCode to free. */
 {
     Tcl_Interp *interp = (Tcl_Interp *) *codePtr->interpHandle;
@@ -1260,8 +1278,6 @@ Tcl_NRSubstObj(
  *
  * Results:
  *	A (ByteCode *) is returned pointing to the resulting ByteCode.
- *	The caller must manage its refCount and arrange for a call to
- *	TclCleanupByteCode() when the last reference disappears.
  *
  * Side effects:
  *	The Tcl_ObjType of objPtr is changed to the "substcode" type, and the
@@ -1292,7 +1308,7 @@ CompileSubstObj(
 		|| (codePtr->nsEpoch != nsPtr->resolverEpoch)
 		|| (codePtr->localCachePtr !=
 		iPtr->varFramePtr->localCachePtr)) {
-	    FreeSubstCodeInternalRep(objPtr);
+	    TclFreeIntRep(objPtr);
 	}
     }
     if (objPtr->typePtr != &substCodeType) {
@@ -1306,11 +1322,9 @@ CompileSubstObj(
 	TclSubstCompile(interp, bytes, numBytes, flags, 1, &compEnv);
 
 	TclEmitOpcode(INST_DONE, &compEnv);
-	TclInitByteCodeObj(objPtr, &compEnv);
-	objPtr->typePtr = &substCodeType;
+	codePtr = TclInitByteCodeObj(objPtr, &substCodeType, &compEnv);
 	TclFreeCompileEnv(&compEnv);
 
-	codePtr = objPtr->internalRep.twoPtrValue.ptr1;
 	objPtr->internalRep.twoPtrValue.ptr1 = codePtr;
 	objPtr->internalRep.twoPtrValue.ptr2 = INT2PTR(flags);
 	if (iPtr->varFramePtr->localCachePtr) {
@@ -1353,10 +1367,7 @@ FreeSubstCodeInternalRep(
 {
     register ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1;
 
-    objPtr->typePtr = NULL;
-    if (codePtr->refCount-- <= 1) {
-	TclCleanupByteCode(codePtr);
-    }
+    TclReleaseByteCode(codePtr);
 }
 
 static void
@@ -2697,11 +2708,40 @@ TclCompileNoOp(
  *----------------------------------------------------------------------
  */
 
-void
-TclInitByteCodeObj(
-    Tcl_Obj *objPtr,		/* Points object that should be initialized,
-				 * and whose string rep contains the source
-				 * code. */
+static void
+PreventCycle(
+    Tcl_Obj *objPtr,
+    CompileEnv *envPtr)
+{
+    int i;
+
+    for (i = 0;  i < envPtr->literalArrayNext; i++) {
+	if (objPtr == TclFetchLiteral(envPtr, i)) {
+	    /*
+	     * Prevent circular reference where the bytecode intrep of
+	     * a value contains a literal which is that same value.
+	     * If this is allowed to happen, refcount decrements may not
+	     * reach zero, and memory may leak.  Bugs 467523, 3357771
+	     *
+	     * NOTE:  [Bugs 3392070, 3389764] We make a copy based completely
+	     * on the string value, and do not call Tcl_DuplicateObj() so we
+             * can be sure we do not have any lingering cycles hiding in
+	     * the intrep.
+	     */
+	    int numBytes;
+	    const char *bytes = Tcl_GetStringFromObj(objPtr, &numBytes);
+	    Tcl_Obj *copyPtr = Tcl_NewStringObj(bytes, numBytes);
+
+	    Tcl_IncrRefCount(copyPtr);
+	    TclReleaseLiteral((Tcl_Interp *)envPtr->iPtr, objPtr);
+
+	    envPtr->literalArrayPtr[i].objPtr = copyPtr;
+	}
+    }
+}
+
+ByteCode *
+TclInitByteCode(
     register CompileEnv *envPtr)/* Points to the CompileEnv structure from
 				 * which to create a ByteCode structure. */
 {
@@ -2752,7 +2792,8 @@ TclInitByteCodeObj(
     codePtr->compileEpoch = iPtr->compileEpoch;
     codePtr->nsPtr = namespacePtr;
     codePtr->nsEpoch = namespacePtr->resolverEpoch;
-    codePtr->refCount = 1;
+    codePtr->refCount = 0;
+    TclPreserveByteCode(codePtr);
     if (namespacePtr->compiledVarResProc || iPtr->resolverPtr) {
 	codePtr->flags = TCL_BYTECODE_RESOLVE_VARS;
     } else {
@@ -2778,29 +2819,7 @@ TclInitByteCodeObj(
     p += TCL_ALIGN(codeBytes);		/* align object array */
     codePtr->objArrayPtr = (Tcl_Obj **) p;
     for (i = 0;  i < numLitObjects;  i++) {
-	Tcl_Obj *fetched = TclFetchLiteral(envPtr, i);
-
-	if (objPtr == fetched) {
-	    /*
-	     * Prevent circular reference where the bytecode intrep of
-	     * a value contains a literal which is that same value.
-	     * If this is allowed to happen, refcount decrements may not
-	     * reach zero, and memory may leak.  Bugs 467523, 3357771
-	     *
-	     * NOTE:  [Bugs 3392070, 3389764] We make a copy based completely
-	     * on the string value, and do not call Tcl_DuplicateObj() so we
-             * can be sure we do not have any lingering cycles hiding in
-	     * the intrep.
-	     */
-	    int numBytes;
-	    const char *bytes = Tcl_GetStringFromObj(objPtr, &numBytes);
-
-	    codePtr->objArrayPtr[i] = Tcl_NewStringObj(bytes, numBytes);
-	    Tcl_IncrRefCount(codePtr->objArrayPtr[i]);
-	    TclReleaseLiteral((Tcl_Interp *)iPtr, objPtr);
-	} else {
-	    codePtr->objArrayPtr[i] = fetched;
-	}
+	codePtr->objArrayPtr[i] = TclFetchLiteral(envPtr, i);
     }
 
     p += TCL_ALIGN(objArrayBytes);	/* align exception range array */
@@ -2843,15 +2862,6 @@ TclInitByteCodeObj(
 #endif /* TCL_COMPILE_STATS */
 
     /*
-     * Free the old internal rep then convert the object to a bytecode object
-     * by making its internal rep point to the just compiled ByteCode.
-     */
-
-    TclFreeIntRep(objPtr);
-    objPtr->internalRep.twoPtrValue.ptr1 = codePtr;
-    objPtr->typePtr = &tclByteCodeType;
-
-    /*
      * TIP #280. Associate the extended per-word line information with the
      * byte code object (internal rep), for use with the bc compiler.
      */
@@ -2864,6 +2874,33 @@ TclInitByteCodeObj(
     envPtr->iPtr = NULL;
 
     codePtr->localCachePtr = NULL;
+    return codePtr;
+}
+
+ByteCode *
+TclInitByteCodeObj(
+    Tcl_Obj *objPtr,		/* Points object that should be initialized,
+				 * and whose string rep contains the source
+				 * code. */
+    const Tcl_ObjType *typePtr,
+    register CompileEnv *envPtr)/* Points to the CompileEnv structure from
+				 * which to create a ByteCode structure. */
+{
+    ByteCode *codePtr;
+
+    PreventCycle(objPtr, envPtr);
+
+    codePtr = TclInitByteCode(envPtr);
+
+    /*
+     * Free the old internal rep then convert the object to a bytecode object
+     * by making its internal rep point to the just compiled ByteCode.
+     */
+
+    TclFreeIntRep(objPtr);
+    objPtr->internalRep.twoPtrValue.ptr1 = codePtr;
+    objPtr->typePtr = typePtr;
+    return codePtr;
 }
 
 /*
@@ -3360,26 +3397,25 @@ TclGetInnermostExceptionRange(
     int returnCode,
     ExceptionAux **auxPtrPtr)
 {
-    int exnIdx = -1, i;
+    int i = envPtr->exceptArrayNext;
+    ExceptionRange *rangePtr = envPtr->exceptArrayPtr + i;
 
-    for (i=0 ; i<envPtr->exceptArrayNext ; i++) {
-	ExceptionRange *rangePtr = &envPtr->exceptArrayPtr[i];
+    while (i > 0) {
+	rangePtr--; i--;
 
 	if (CurrentOffset(envPtr) >= rangePtr->codeOffset &&
 		(rangePtr->numCodeBytes == -1 || CurrentOffset(envPtr) <
 			rangePtr->codeOffset+rangePtr->numCodeBytes) &&
 		(returnCode != TCL_CONTINUE ||
 			envPtr->exceptAuxArrayPtr[i].supportsContinue)) {
-	    exnIdx = i;
+
+	    if (auxPtrPtr) {
+		*auxPtrPtr = envPtr->exceptAuxArrayPtr + i;
+	    }
+	    return rangePtr;
 	}
     }
-    if (exnIdx == -1) {
-	return NULL;
-    }
-    if (auxPtrPtr) {
-	*auxPtrPtr = &envPtr->exceptAuxArrayPtr[exnIdx];
-    }
-    return &envPtr->exceptArrayPtr[exnIdx];
+    return NULL;
 }
 
 /*
diff --git a/generic/tclCompile.h b/generic/tclCompile.h
index b5bfab1..f99c07c 100644
--- a/generic/tclCompile.h
+++ b/generic/tclCompile.h
@@ -135,7 +135,7 @@ typedef struct ExceptionAux {
     int numBreakTargets;	/* The number of [break]s that want to be
 				 * targeted to the place where this loop
 				 * exception will be bound to. */
-    int *breakTargets;		/* The offsets of the INST_JUMP4 instructions
+    unsigned int *breakTargets;	/* The offsets of the INST_JUMP4 instructions
 				 * issued by the [break]s that we must
 				 * update. Note that resizing a jump (via
 				 * TclFixupForwardJump) can cause the contents
@@ -145,7 +145,7 @@ typedef struct ExceptionAux {
     int numContinueTargets;	/* The number of [continue]s that want to be
 				 * targeted to the place where this loop
 				 * exception will be bound to. */
-    int *continueTargets;	/* The offsets of the INST_JUMP4 instructions
+    unsigned int *continueTargets; /* The offsets of the INST_JUMP4 instructions
 				 * issued by the [continue]s that we must
 				 * update. Note that resizing a jump (via
 				 * TclFixupForwardJump) can cause the contents
@@ -928,7 +928,7 @@ typedef enum {
 
 typedef struct JumpFixup {
     TclJumpType jumpType;	/* Indicates the kind of jump. */
-    int codeOffset;		/* Offset of the first byte of the one-byte
+    unsigned int codeOffset;	/* Offset of the first byte of the one-byte
 				 * forward jump's code. */
     int cmdIndex;		/* Index of the first command after the one
 				 * for which the jump was emitted. Used to
@@ -1067,7 +1067,6 @@ MODULE_SCOPE ByteCode *	TclCompileObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
 MODULE_SCOPE int	TclAttemptCompileProc(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, int depth, Command *cmdPtr,
 			    CompileEnv *envPtr);
-MODULE_SCOPE void	TclCleanupByteCode(ByteCode *codePtr);
 MODULE_SCOPE void	TclCleanupStackForBreakContinue(CompileEnv *envPtr,
 			    ExceptionAux *auxPtr);
 MODULE_SCOPE void	TclCompileCmdWord(Tcl_Interp *interp,
@@ -1119,8 +1118,9 @@ MODULE_SCOPE int	TclFixupForwardJump(CompileEnv *envPtr,
 			    int distThreshold);
 MODULE_SCOPE void	TclFreeCompileEnv(CompileEnv *envPtr);
 MODULE_SCOPE void	TclFreeJumpFixupArray(JumpFixupArray *fixupArrayPtr);
-MODULE_SCOPE void	TclInitByteCodeObj(Tcl_Obj *objPtr,
-			    CompileEnv *envPtr);
+MODULE_SCOPE ByteCode *	TclInitByteCode(CompileEnv *envPtr);
+MODULE_SCOPE ByteCode *	TclInitByteCodeObj(Tcl_Obj *objPtr,
+			    const Tcl_ObjType *typePtr, CompileEnv *envPtr);
 MODULE_SCOPE void	TclInitCompileEnv(Tcl_Interp *interp,
 			    CompileEnv *envPtr, const char *string,
 			    int numBytes, const CmdFrame *invoker, int word);
@@ -1157,6 +1157,8 @@ MODULE_SCOPE void	TclPushVarName(Tcl_Interp *interp,
 			    Tcl_Token *varTokenPtr, CompileEnv *envPtr,
 			    int flags, int *localIndexPtr,
 			    int *isScalarPtr);
+MODULE_SCOPE void	TclPreserveByteCode(ByteCode *codePtr);
+MODULE_SCOPE void	TclReleaseByteCode(ByteCode *codePtr);
 MODULE_SCOPE void	TclReleaseLiteral(Tcl_Interp *interp, Tcl_Obj *objPtr);
 MODULE_SCOPE void	TclInvalidateCmdLiteral(Tcl_Interp *interp,
 			    const char *name, Namespace *nsPtr);
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index 4edebcf..32055a3 100644
--- a/generic/tclEncoding.c
+++ b/generic/tclEncoding.c
@@ -355,6 +355,7 @@ DupEncodingIntRep(
     Tcl_Obj *dupPtr)
 {
     dupPtr->internalRep.twoPtrValue.ptr1 = Tcl_GetEncoding(NULL, srcPtr->bytes);
+    dupPtr->typePtr = &encodingType;
 }
 
 /*
diff --git a/generic/tclEnsemble.c b/generic/tclEnsemble.c
index 8f7d1a2..986a553 100644
--- a/generic/tclEnsemble.c
+++ b/generic/tclEnsemble.c
@@ -3082,6 +3082,11 @@ TclAttemptCompileProc(
     Tcl_Token *saveTokenPtr = parsePtr->tokenPtr;
     int savedStackDepth = envPtr->currStackDepth;
     unsigned savedCodeNext = envPtr->codeNext - envPtr->codeStart;
+    int savedAuxDataArrayNext = envPtr->auxDataArrayNext;
+    int savedExceptArrayNext = envPtr->exceptArrayNext;
+#ifdef TCL_COMPILE_DEBUG
+    int savedExceptDepth = envPtr->exceptDepth;
+#endif
     DefineLineInformation;
 
     if (cmdPtr->compileProc == NULL) {
@@ -3130,7 +3135,45 @@ TclAttemptCompileProc(
      * we avoid compiling subcommands that recursively call TclCompileScript().
      */
 
+#ifdef TCL_COMPILE_DEBUG
+    if (envPtr->exceptDepth != savedExceptDepth) {
+	Tcl_Panic("ExceptionRange Starts and Ends do not balance");
+    }
+#endif
+
     if (result != TCL_OK) {
+	ExceptionAux *auxPtr = envPtr->exceptAuxArrayPtr;
+
+	for (i = 0; i < savedExceptArrayNext; i++) {
+	    while (auxPtr->numBreakTargets > 0
+		    && auxPtr->breakTargets[auxPtr->numBreakTargets - 1]
+		    >= savedCodeNext) {
+		auxPtr->numBreakTargets--;
+	    }
+	    while (auxPtr->numContinueTargets > 0
+		    && auxPtr->continueTargets[auxPtr->numContinueTargets - 1]
+		    >= savedCodeNext) {
+		auxPtr->numContinueTargets--;
+	    }
+	    auxPtr++;
+	}
+	envPtr->exceptArrayNext = savedExceptArrayNext;
+
+	if (savedAuxDataArrayNext != envPtr->auxDataArrayNext) {
+	    AuxData *auxDataPtr = envPtr->auxDataArrayPtr;
+	    AuxData *auxDataEnd = auxDataPtr;
+
+	    auxDataPtr += savedAuxDataArrayNext;
+	    auxDataEnd += envPtr->auxDataArrayNext;
+
+	    while (auxDataPtr < auxDataEnd) {
+		if (auxDataPtr->type->freeProc != NULL) {
+		    auxDataPtr->type->freeProc(auxDataPtr->clientData);
+		}
+		auxDataPtr++;
+	    }
+	    envPtr->auxDataArrayNext = savedAuxDataArrayNext;
+	}
 	envPtr->currStackDepth = savedStackDepth;
 	envPtr->codeNext = envPtr->codeStart + savedCodeNext;
 #ifdef TCL_COMPILE_DEBUG
diff --git a/generic/tclEvent.c b/generic/tclEvent.c
index 8305410..a16a3b1 100644
--- a/generic/tclEvent.c
+++ b/generic/tclEvent.c
@@ -1043,6 +1043,9 @@ TclInitSubsystems(void)
 #if USE_TCLALLOC
 	    TclInitAlloc();		/* Process wide mutex init */
 #endif
+#if defined(TCL_THREADS) && defined(USE_THREAD_ALLOC)
+	    TclpInitAllocCache();
+#endif
 #ifdef TCL_MEM_DEBUG
 	    TclInitDbCkalloc();		/* Process wide mutex init */
 #endif
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index dacc9e2..cd28a92 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -19,6 +19,7 @@
 #include "tclCompile.h"
 #include "tclOOInt.h"
 #include "tommath.h"
+#include "tclStringRep.h"
 #include <math.h>
 #include <assert.h>
 
@@ -34,14 +35,14 @@
 #endif
 
 /*
- * A mask (should be 2**n-1) that is used to work out when the bytecode engine
- * should call Tcl_AsyncReady() to see whether there is a signal that needs
- * handling.
+ * A counter that is used to work out when the bytecode engine should call
+ * Tcl_AsyncReady() to see whether there is a signal that needs handling, and
+ * other expensive periodic operations.
  */
 
-#ifndef ASYNC_CHECK_COUNT_MASK
-#   define ASYNC_CHECK_COUNT_MASK	63
-#endif /* !ASYNC_CHECK_COUNT_MASK */
+#ifndef ASYNC_CHECK_COUNT
+#   define ASYNC_CHECK_COUNT	64
+#endif /* !ASYNC_CHECK_COUNT */
 
 /*
  * Boolean flag indicating whether the Tcl bytecode interpreter has been
@@ -1498,11 +1499,9 @@ ExprObjCallback(
  *
  * Results:
  *	A (ByteCode *) is returned pointing to the resulting ByteCode.
- *	The caller must manage its refCount and arrange for a call to
- *	TclCleanupByteCode() when the last reference disappears.
  *
  * Side effects:
- *	The Tcl_ObjType of objPtr is changed to the "bytecode" type,
+ *	The Tcl_ObjType of objPtr is changed to the "exprcode" type,
  *	and the ByteCode is kept in the internal rep (along with context
  *	data for checking validity) for faster operations the next time
  *	CompileExprObj is called on the same value.
@@ -1535,7 +1534,7 @@ CompileExprObj(
 		|| (codePtr->nsPtr != namespacePtr)
 		|| (codePtr->nsEpoch != namespacePtr->resolverEpoch)
 		|| (codePtr->localCachePtr != iPtr->varFramePtr->localCachePtr)) {
-	    FreeExprCodeInternalRep(objPtr);
+	    TclFreeIntRep(objPtr);
 	}
     }
     if (objPtr->typePtr != &exprCodeType) {
@@ -1566,10 +1565,8 @@ CompileExprObj(
 	 */
 
 	TclEmitOpcode(INST_DONE, &compEnv);
-	TclInitByteCodeObj(objPtr, &compEnv);
-	objPtr->typePtr = &exprCodeType;
+	codePtr = TclInitByteCodeObj(objPtr, &exprCodeType, &compEnv);
 	TclFreeCompileEnv(&compEnv);
-	codePtr = objPtr->internalRep.twoPtrValue.ptr1;
 	if (iPtr->varFramePtr->localCachePtr) {
 	    codePtr->localCachePtr = iPtr->varFramePtr->localCachePtr;
 	    codePtr->localCachePtr->refCount++;
@@ -1643,10 +1640,7 @@ FreeExprCodeInternalRep(
 {
     ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1;
 
-    objPtr->typePtr = NULL;
-    if (codePtr->refCount-- <= 1) {
-	TclCleanupByteCode(codePtr);
-    }
+    TclReleaseByteCode(codePtr);
 }
 
 /*
@@ -2032,7 +2026,7 @@ TclNRExecuteByteCode(
 		* sizeof(void *);
     int numWords = (size + sizeof(Tcl_Obj *) - 1) / sizeof(Tcl_Obj *);
 
-    codePtr->refCount++;
+    TclPreserveByteCode(codePtr);
 
     /*
      * Reserve the stack, setup the TEBCdataPtr (TD) and CallFrame
@@ -2114,8 +2108,14 @@ TEBCresume(
      * sporadically: no special need for speed.
      */
 
-    int instructionCount = 0;	/* Counter that is used to work out when to
-				 * call Tcl_AsyncReady() */
+    unsigned interruptCounter = 1;
+				/* Counter that is used to work out when to
+				 * call Tcl_AsyncReady(). This must be 1
+				 * initially so that we call the async-check
+				 * stanza early, otherwise there are command
+				 * sequences that can make the interpreter
+				 * busy-loop without an opportunity to
+				 * recognise an interrupt. */
     const char *curInstName;
 #ifdef TCL_COMPILE_DEBUG
     int traceInstructions;	/* Whether we are doing instruction-level
@@ -2313,10 +2313,11 @@ TEBCresume(
 
     /*
      * Check for asynchronous handlers [Bug 746722]; we do the check every
-     * ASYNC_CHECK_COUNT_MASK instruction, of the form (2**n-1).
+     * ASYNC_CHECK_COUNT instructions.
      */
 
-    if ((instructionCount++ & ASYNC_CHECK_COUNT_MASK) == 0) {
+    if ((--interruptCounter) == 0) {
+	interruptCounter = ASYNC_CHECK_COUNT;
 	DECACHE_STACK_INFO();
 	if (TclAsyncReady(iPtr)) {
 	    result = Tcl_AsyncInvoke(interp, result);
@@ -5737,6 +5738,16 @@ TEBCresume(
 	if (length3 - 1 == toIdx - fromIdx) {
 	    unsigned char *bytes1, *bytes2;
 
+	    /*
+	     * Flush the info in the string internal rep that refers to the
+	     * about-to-be-invalidated UTF-8 rep. This indicates that a new
+	     * buffer needs to be allocated, and assumes that the value is
+	     * already of tclStringTypePtr type, which should be true provided
+	     * we call it after Tcl_GetUnicodeFromObj.
+	     */
+#define MarkStringInternalRepForFlush(objPtr) \
+	    (GET_STRING(objPtr)->allocated = 0)
+
 	    if (Tcl_IsShared(valuePtr)) {
 		objResultPtr = Tcl_DuplicateObj(valuePtr);
 		if (TclIsPureByteArray(objResultPtr)
@@ -5749,17 +5760,7 @@ TEBCresume(
 		    ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL);
 		    memcpy(ustring1 + fromIdx, ustring2,
 			    length3 * sizeof(Tcl_UniChar));
-
-		    /*
-		     * Magic! Flush the info in the string internal rep that
-		     * refers to the about-to-be-invalidated UTF-8 rep. This
-		     * sets the 'allocated' field of the String structure to 0
-		     * to indicate that a new buffer needs to be allocated.
-		     * This is safe; we know we've got a tclStringTypePtr set
-		     * at this point (post Tcl_GetUnicodeFromObj).
-		     */
-
-		    ((int *) objResultPtr->internalRep.twoPtrValue.ptr1)[1] = 0;
+		    MarkStringInternalRepForFlush(objResultPtr);
 		}
 		Tcl_InvalidateStringRep(objResultPtr);
 		TclDecrRefCount(value3Ptr);
@@ -5776,17 +5777,7 @@ TEBCresume(
 		    ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL);
 		    memcpy(ustring1 + fromIdx, ustring2,
 			    length3 * sizeof(Tcl_UniChar));
-
-		    /*
-		     * Magic! Flush the info in the string internal rep that
-		     * refers to the about-to-be-invalidated UTF-8 rep. This
-		     * sets the 'allocated' field of the String structure to 0
-		     * to indicate that a new buffer needs to be allocated.
-		     * This is safe; we know we've got a tclStringTypePtr set
-		     * at this point (post Tcl_GetUnicodeFromObj).
-		     */
-
-		    ((int *) objResultPtr->internalRep.twoPtrValue.ptr1)[1] = 0;
+		    MarkStringInternalRepForFlush(valuePtr);
 		}
 		Tcl_InvalidateStringRep(valuePtr);
 		TclDecrRefCount(value3Ptr);
@@ -8191,9 +8182,7 @@ TEBCresume(
     }
 
     iPtr->cmdFramePtr = bcFramePtr->nextPtr;
-    if (codePtr->refCount-- <= 1) {
-	TclCleanupByteCode(codePtr);
-    }
+    TclReleaseByteCode(codePtr);
     TclStackFree(interp, TD);	/* free my stack */
 
     return result;
diff --git a/generic/tclHash.c b/generic/tclHash.c
index 1991aea..3ea9dd9 100644
--- a/generic/tclHash.c
+++ b/generic/tclHash.c
@@ -321,11 +321,9 @@ CreateHashEntry(
 
 	for (hPtr = tablePtr->buckets[index]; hPtr != NULL;
 		hPtr = hPtr->nextPtr) {
-#if TCL_HASH_KEY_STORE_HASH
 	    if (hash != PTR2UINT(hPtr->hash)) {
 		continue;
 	    }
-#endif
 	    if (((void *) key == hPtr) || compareKeysProc((void *) key, hPtr)) {
 		if (newPtr) {
 		    *newPtr = 0;
@@ -336,11 +334,9 @@ CreateHashEntry(
     } else {
 	for (hPtr = tablePtr->buckets[index]; hPtr != NULL;
 		hPtr = hPtr->nextPtr) {
-#if TCL_HASH_KEY_STORE_HASH
 	    if (hash != PTR2UINT(hPtr->hash)) {
 		continue;
 	    }
-#endif
 	    if (key == hPtr->key.oneWordValue) {
 		if (newPtr) {
 		    *newPtr = 0;
@@ -368,15 +364,9 @@ CreateHashEntry(
     }
 
     hPtr->tablePtr = tablePtr;
-#if TCL_HASH_KEY_STORE_HASH
     hPtr->hash = UINT2PTR(hash);
     hPtr->nextPtr = tablePtr->buckets[index];
     tablePtr->buckets[index] = hPtr;
-#else
-    hPtr->bucketPtr = &tablePtr->buckets[index];
-    hPtr->nextPtr = *hPtr->bucketPtr;
-    *hPtr->bucketPtr = hPtr;
-#endif
     tablePtr->numEntries++;
 
     /*
@@ -416,9 +406,7 @@ Tcl_DeleteHashEntry(
     const Tcl_HashKeyType *typePtr;
     Tcl_HashTable *tablePtr;
     Tcl_HashEntry **bucketPtr;
-#if TCL_HASH_KEY_STORE_HASH
     int index;
-#endif
 
     tablePtr = entryPtr->tablePtr;
 
@@ -433,7 +421,6 @@ Tcl_DeleteHashEntry(
 	typePtr = &tclArrayHashKeyType;
     }
 
-#if TCL_HASH_KEY_STORE_HASH
     if (typePtr->hashKeyProc == NULL
 	    || typePtr->flags & TCL_HASH_KEY_RANDOMIZE_HASH) {
 	index = RANDOM_INDEX(tablePtr, PTR2INT(entryPtr->hash));
@@ -442,9 +429,6 @@ Tcl_DeleteHashEntry(
     }
 
     bucketPtr = &tablePtr->buckets[index];
-#else
-    bucketPtr = entryPtr->bucketPtr;
-#endif
 
     if (*bucketPtr == entryPtr) {
 	*bucketPtr = entryPtr->nextPtr;
@@ -1062,7 +1046,6 @@ RebuildTable(
     for (oldChainPtr = oldBuckets; oldSize > 0; oldSize--, oldChainPtr++) {
 	for (hPtr = *oldChainPtr; hPtr != NULL; hPtr = *oldChainPtr) {
 	    *oldChainPtr = hPtr->nextPtr;
-#if TCL_HASH_KEY_STORE_HASH
 	    if (typePtr->hashKeyProc == NULL
 		    || typePtr->flags & TCL_HASH_KEY_RANDOMIZE_HASH) {
 		index = RANDOM_INDEX(tablePtr, PTR2INT(hPtr->hash));
@@ -1071,26 +1054,6 @@ RebuildTable(
 	    }
 	    hPtr->nextPtr = tablePtr->buckets[index];
 	    tablePtr->buckets[index] = hPtr;
-#else
-	    void *key = Tcl_GetHashKey(tablePtr, hPtr);
-
-	    if (typePtr->hashKeyProc) {
-		unsigned int hash;
-
-		hash = typePtr->hashKeyProc(tablePtr, key);
-		if (typePtr->flags & TCL_HASH_KEY_RANDOMIZE_HASH) {
-		    index = RANDOM_INDEX(tablePtr, hash);
-		} else {
-		    index = hash & tablePtr->mask;
-		}
-	    } else {
-		index = RANDOM_INDEX(tablePtr, key);
-	    }
-
-	    hPtr->bucketPtr = &tablePtr->buckets[index];
-	    hPtr->nextPtr = *hPtr->bucketPtr;
-	    *hPtr->bucketPtr = hPtr;
-#endif
 	}
     }
 
diff --git a/generic/tclIOCmd.c b/generic/tclIOCmd.c
index 834f225..de65da5 100644
--- a/generic/tclIOCmd.c
+++ b/generic/tclIOCmd.c
@@ -16,7 +16,7 @@
  */
 
 typedef struct AcceptCallback {
-    char *script;		/* Script to invoke. */
+    Tcl_Obj *script;		/* Script to invoke. */
     Tcl_Interp *interp;		/* Interpreter in which to run it. */
 } AcceptCallback;
 
@@ -37,8 +37,7 @@ static Tcl_ThreadDataKey dataKey;
  */
 
 static void		FinalizeIOCmdTSD(ClientData clientData);
-static void		AcceptCallbackProc(ClientData callbackData,
-			    Tcl_Channel chan, char *address, int port);
+static Tcl_TcpAcceptProc AcceptCallbackProc;
 static int		ChanPendingObjCmd(ClientData unused,
 			    Tcl_Interp *interp, int objc,
 			    Tcl_Obj *const objv[]);
@@ -1373,15 +1372,22 @@ AcceptCallbackProc(
      */
 
     if (acceptCallbackPtr->interp != NULL) {
-	char portBuf[TCL_INTEGER_SPACE];
-	char *script = acceptCallbackPtr->script;
 	Tcl_Interp *interp = acceptCallbackPtr->interp;
-	int result;
+	Tcl_Obj *script, *objv[2];
+	int result = TCL_OK;
 
-	Tcl_Preserve(script);
-	Tcl_Preserve(interp);
+	objv[0] = acceptCallbackPtr->script;
+	objv[1] = Tcl_NewListObj(3, NULL);
+	Tcl_ListObjAppendElement(NULL, objv[1], Tcl_NewStringObj(
+		Tcl_GetChannelName(chan), -1));
+	Tcl_ListObjAppendElement(NULL, objv[1], Tcl_NewStringObj(address, -1));
+	Tcl_ListObjAppendElement(NULL, objv[1], Tcl_NewIntObj(port));
+
+	script = Tcl_ConcatObj(2, objv);
+	Tcl_IncrRefCount(script);
+	Tcl_DecrRefCount(objv[1]);
 
-	TclFormatInt(portBuf, port);
+	Tcl_Preserve(interp);
 	Tcl_RegisterChannel(interp, chan);
 
 	/*
@@ -1391,8 +1397,9 @@ AcceptCallbackProc(
 
 	Tcl_RegisterChannel(NULL, chan);
 
-	result = Tcl_VarEval(interp, script, " ", Tcl_GetChannelName(chan),
-		" ", address, " ", portBuf, NULL);
+	result = Tcl_EvalObjEx(interp, script, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
+	Tcl_DecrRefCount(script);
+
 	if (result != TCL_OK) {
 	    Tcl_BackgroundException(interp, result);
 	    Tcl_UnregisterChannel(interp, chan);
@@ -1406,7 +1413,6 @@ AcceptCallbackProc(
 	Tcl_UnregisterChannel(NULL, chan);
 
 	Tcl_Release(interp);
-	Tcl_Release(script);
     } else {
 	/*
 	 * The interpreter has been deleted, so there is no useful way to use
@@ -1450,7 +1456,7 @@ TcpServerCloseProc(
 	UnregisterTcpServerInterpCleanupProc(acceptCallbackPtr->interp,
 		acceptCallbackPtr);
     }
-    Tcl_EventuallyFree(acceptCallbackPtr->script, TCL_DYNAMIC);
+    Tcl_DecrRefCount(acceptCallbackPtr->script);
     ckfree(acceptCallbackPtr);
 }
 
@@ -1485,7 +1491,8 @@ Tcl_SocketObjCmd(
 	SKT_ASYNC, SKT_MYADDR, SKT_MYPORT, SKT_SERVER
     };
     int optionIndex, a, server = 0, port, myport = 0, async = 0;
-    const char *host, *script = NULL, *myaddr = NULL;
+    const char *host, *myaddr = NULL;
+    Tcl_Obj *script = NULL;
     Tcl_Channel chan;
 
     if (TclpHasSockets(interp) != TCL_OK) {
@@ -1548,7 +1555,7 @@ Tcl_SocketObjCmd(
 			"no argument given for -server option", -1));
 		return TCL_ERROR;
 	    }
-	    script = TclGetString(objv[a]);
+	    script = objv[a];
 	    break;
 	default:
 	    Tcl_Panic("Tcl_SocketObjCmd: bad option index to SocketOptions");
@@ -1589,16 +1596,14 @@ Tcl_SocketObjCmd(
     if (server) {
 	AcceptCallback *acceptCallbackPtr =
 		ckalloc(sizeof(AcceptCallback));
-	unsigned len = strlen(script) + 1;
-	char *copyScript = ckalloc(len);
 
-	memcpy(copyScript, script, len);
-	acceptCallbackPtr->script = copyScript;
+	Tcl_IncrRefCount(script);
+	acceptCallbackPtr->script = script;
 	acceptCallbackPtr->interp = interp;
 	chan = Tcl_OpenTcpServer(interp, port, host, AcceptCallbackProc,
 		acceptCallbackPtr);
 	if (chan == NULL) {
-	    ckfree(copyScript);
+	    Tcl_DecrRefCount(script);
 	    ckfree(acceptCallbackPtr);
 	    return TCL_ERROR;
 	}
diff --git a/generic/tclInt.h b/generic/tclInt.h
index 42c13dd..1dab0cb 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -3133,6 +3133,7 @@ MODULE_SCOPE int	TclTrimLeft(const char *bytes, int numBytes,
 MODULE_SCOPE int	TclTrimRight(const char *bytes, int numBytes,
 			    const char *trim, int numTrim);
 MODULE_SCOPE int	TclUtfCasecmp(const char *cs, const char *ct);
+MODULE_SCOPE int	TclUtfCount(int ch);
 MODULE_SCOPE Tcl_Obj *	TclpNativeToNormalized(ClientData clientData);
 MODULE_SCOPE Tcl_Obj *	TclpFilesystemPathType(Tcl_Obj *pathPtr);
 MODULE_SCOPE int	TclpDlopen(Tcl_Interp *interp, Tcl_Obj *pathPtr,
@@ -4084,6 +4085,7 @@ MODULE_SCOPE void	TclFreeAllocCache(void *);
 MODULE_SCOPE void *	TclpGetAllocCache(void);
 MODULE_SCOPE void	TclpSetAllocCache(void *);
 MODULE_SCOPE void	TclpFreeAllocMutex(Tcl_Mutex *mutex);
+MODULE_SCOPE void	TclpInitAllocCache(void);
 MODULE_SCOPE void	TclpFreeAllocCache(void *);
 
 /*
diff --git a/generic/tclNamesp.c b/generic/tclNamesp.c
index dfab185..58a86d9 100644
--- a/generic/tclNamesp.c
+++ b/generic/tclNamesp.c
@@ -1105,8 +1105,6 @@ TclTeardownNamespace(
     Interp *iPtr = (Interp *) nsPtr->interp;
     register Tcl_HashEntry *entryPtr;
     Tcl_HashSearch search;
-    Tcl_Namespace *childNsPtr;
-    Tcl_Command cmd;
     int i;
 
     /*
@@ -1121,16 +1119,31 @@ TclTeardownNamespace(
     /*
      * Delete all commands in this namespace. Be careful when traversing the
      * hash table: when each command is deleted, it removes itself from the
-     * command table.
-     *
-     * Don't optimize to Tcl_NextHashEntry() because of traces.
+     * command table. Because of traces (and the desire to avoid the quadratic
+     * problems of just using Tcl_FirstHashEntry over and over, [Bug
+     * f97d4ee020]) we copy to a temporary array and then delete all those
+     * commands.
      */
 
-    for (entryPtr = Tcl_FirstHashEntry(&nsPtr->cmdTable, &search);
-	    entryPtr != NULL;
-	    entryPtr = Tcl_FirstHashEntry(&nsPtr->cmdTable, &search)) {
-	cmd = Tcl_GetHashValue(entryPtr);
-	Tcl_DeleteCommandFromToken((Tcl_Interp *) iPtr, cmd);
+    while (nsPtr->cmdTable.numEntries > 0) {
+	int length = nsPtr->cmdTable.numEntries;
+	Command **cmds = TclStackAlloc((Tcl_Interp *) iPtr,
+		sizeof(Command *) * length);
+
+	i = 0;
+	for (entryPtr = Tcl_FirstHashEntry(&nsPtr->cmdTable, &search);
+		entryPtr != NULL;
+		entryPtr = Tcl_NextHashEntry(&search)) {
+	    cmds[i] = Tcl_GetHashValue(entryPtr);
+	    cmds[i]->refCount++;
+	    i++;
+	}
+	for (i = 0 ; i < length ; i++) {
+	    Tcl_DeleteCommandFromToken((Tcl_Interp *) iPtr,
+		    (Tcl_Command) cmds[i]);
+	    TclCleanupCommandMacro(cmds[i]);
+	}
+	TclStackFree((Tcl_Interp *) iPtr, cmds);
     }
     Tcl_DeleteHashTable(&nsPtr->cmdTable);
     Tcl_InitHashTable(&nsPtr->cmdTable, TCL_STRING_KEYS);
@@ -1175,25 +1188,54 @@ TclTeardownNamespace(
      *
      * BE CAREFUL: When each child is deleted, it will divorce itself from its
      * parent. You can't traverse a hash table properly if its elements are
-     * being deleted. We use only the Tcl_FirstHashEntry function to be safe.
+     * being deleted.  Because of traces (and the desire to avoid the
+     * quadratic problems of just using Tcl_FirstHashEntry over and over, [Bug
+     * f97d4ee020]) we copy to a temporary array and then delete all those
+     * namespaces.
      *
-     * Don't optimize to Tcl_NextHashEntry() because of traces.
+     * Important: leave the hash table itself still live.
      */
 
 #ifndef BREAK_NAMESPACE_COMPAT
-    for (entryPtr = Tcl_FirstHashEntry(&nsPtr->childTable, &search);
-	    entryPtr != NULL;
-	    entryPtr = Tcl_FirstHashEntry(&nsPtr->childTable, &search)) {
-	childNsPtr = Tcl_GetHashValue(entryPtr);
-	Tcl_DeleteNamespace(childNsPtr);
+    while (nsPtr->childTable.numEntries > 0) {
+	int length = nsPtr->childTable.numEntries;
+	Namespace **children = TclStackAlloc((Tcl_Interp *) iPtr,
+		sizeof(Namespace *) * length);
+
+	i = 0;
+	for (entryPtr = Tcl_FirstHashEntry(&nsPtr->childTable, &search);
+		entryPtr != NULL;
+		entryPtr = Tcl_NextHashEntry(&search)) {
+	    children[i] = Tcl_GetHashValue(entryPtr);
+	    children[i]->refCount++;
+	    i++;
+	}
+	for (i = 0 ; i < length ; i++) {
+	    Tcl_DeleteNamespace((Tcl_Namespace *) children[i]);
+	    TclNsDecrRefCount(children[i]);
+	}
+	TclStackFree((Tcl_Interp *) iPtr, children);
     }
 #else
     if (nsPtr->childTablePtr != NULL) {
-	for (entryPtr = Tcl_FirstHashEntry(nsPtr->childTablePtr, &search);
-		entryPtr != NULL;
-		entryPtr = Tcl_FirstHashEntry(nsPtr->childTablePtr,&search)) {
-	    childNsPtr = Tcl_GetHashValue(entryPtr);
-	    Tcl_DeleteNamespace(childNsPtr);
+	while (nsPtr->childTablePtr->numEntries > 0) {
+	    int length = nsPtr->childTablePtr->numEntries;
+	    Namespace **children = TclStackAlloc((Tcl_Interp *) iPtr,
+		    sizeof(Namespace *) * length);
+
+	    i = 0;
+	    for (entryPtr = Tcl_FirstHashEntry(nsPtr->childTablePtr, &search);
+		    entryPtr != NULL;
+		    entryPtr = Tcl_NextHashEntry(&search)) {
+		children[i] = Tcl_GetHashValue(entryPtr);
+		children[i]->refCount++;
+		i++;
+	    }
+	    for (i = 0 ; i < length ; i++) {
+		Tcl_DeleteNamespace((Tcl_Namespace *) children[i]);
+		TclNsDecrRefCount(children[i]);
+	    }
+	    TclStackFree((Tcl_Interp *) iPtr, children);
 	}
     }
 #endif
diff --git a/generic/tclObj.c b/generic/tclObj.c
index c641152..a45a392 100644
--- a/generic/tclObj.c
+++ b/generic/tclObj.c
@@ -320,7 +320,7 @@ const Tcl_HashKeyType tclObjHashKeyType = {
  * does allow them to delete a command when references to it are gone, which
  * is fragile but useful given their somewhat-OO style. Because of this, this
  * structure MUST NOT be const so that the C compiler puts the data in
- * writable memory. [Bug 2558422]
+ * writable memory. [Bug 2558422] [Bug 07d13d99b0a9]
  * TODO: Provide a better API for those extensions so that they can coexist...
  */
 
@@ -4176,7 +4176,8 @@ Tcl_GetCommandFromObj(
      * had is invalid one way or another.
      */
 
-    if (SetCmdNameFromAny(interp, objPtr) != TCL_OK) {
+    /* See [07d13d99b0a9] why we cannot call SetCmdNameFromAny() directly here. */
+    if (tclCmdNameType.setFromAnyProc(interp, objPtr) != TCL_OK) {
         return NULL;
     }
     resPtr = objPtr->internalRep.twoPtrValue.ptr1;
diff --git a/generic/tclProc.c b/generic/tclProc.c
index ac65bde..172b860 100644
--- a/generic/tclProc.c
+++ b/generic/tclProc.c
@@ -69,9 +69,8 @@ const Tcl_ObjType tclProcBodyType = {
 };
 
 /*
- * The [upvar]/[uplevel] level reference type. Uses the twoPtrValue field,
- * encoding the type of level reference in ptr and the actual parsed out
- * offset in ptr2.
+ * The [upvar]/[uplevel] level reference type. Uses the longValue field
+ * to remember the integer value of a parsed #<integer> format.
  *
  * Uses the default behaviour throughout, and never disposes of the string
  * rep; it's just a cache type.
@@ -785,7 +784,7 @@ TclGetFrame(
  * Results:
  *	The return value is -1 if an error occurred in finding the frame (in
  *	this case an error message is left in the interp's result). 1 is
- *	returned if objPtr was either a number or a number preceded by "#" and
+ *	returned if objPtr was either an int or an int preceded by "#" and
  *	it specified a valid frame. 0 is returned if objPtr isn't one of the
  *	two things above (in this case, the lookup acts as if objPtr were
  *	"1"). The variable pointed to by framePtrPtr is filled in with the
@@ -807,95 +806,69 @@ TclObjGetFrame(
 {
     register Interp *iPtr = (Interp *) interp;
     int curLevel, level, result;
-    CallFrame *framePtr;
-    const char *name;
+    const char *name = NULL;
 
     /*
      * Parse object to figure out which level number to go to.
      */
 
-    result = 1;
+    result = 0;
     curLevel = iPtr->varFramePtr->level;
-    if (objPtr == NULL) {
-	name = "1";
-	goto haveLevel1;
-    }
-
-    name = TclGetString(objPtr);
-    if (objPtr->typePtr == &levelReferenceType) {
-	if (objPtr->internalRep.twoPtrValue.ptr1) {
-	    level = curLevel - PTR2INT(objPtr->internalRep.twoPtrValue.ptr2);
-	} else {
-	    level = PTR2INT(objPtr->internalRep.twoPtrValue.ptr2);
-	}
-	if (level < 0) {
-	    goto levelError;
-	}
-	/* TODO: Consider skipping the typePtr checks */
-    } else if (objPtr->typePtr == &tclIntType
-#ifndef TCL_WIDE_INT_IS_LONG
-	    || objPtr->typePtr == &tclWideIntType
-#endif
-	    ) {
-	if (TclGetIntFromObj(NULL, objPtr, &level) != TCL_OK || level < 0) {
-	    goto levelError;
-	}
-	level = curLevel - level;
-    } else if (*name == '#') {
-	if (Tcl_GetInt(interp, name+1, &level) != TCL_OK || level < 0) {
-	    goto levelError;
-	}
 
-	/*
-	 * Cache for future reference.
-	 */
-
-	TclFreeIntRep(objPtr);
-	objPtr->typePtr = &levelReferenceType;
-	objPtr->internalRep.twoPtrValue.ptr1 = (void *) 0;
-	objPtr->internalRep.twoPtrValue.ptr2 = INT2PTR(level);
-    } else if (isdigit(UCHAR(*name))) { /* INTL: digit */
-	if (Tcl_GetInt(interp, name, &level) != TCL_OK) {
-	    return -1;
-	}
-
-	/*
-	 * Cache for future reference.
-	 */
+    /*
+     * Check for integer first, since that has potential to spare us
+     * a generation of a stringrep.
+     */
 
-	TclFreeIntRep(objPtr);
-	objPtr->typePtr = &levelReferenceType;
-	objPtr->internalRep.twoPtrValue.ptr1 = (void *) 1;
-	objPtr->internalRep.twoPtrValue.ptr2 = INT2PTR(level);
+    if (objPtr == NULL) {
+	/* Do nothing */
+    } else if (TCL_OK == Tcl_GetIntFromObj(NULL, objPtr, &level)
+	    && (level >= 0)) {
 	level = curLevel - level;
+	result = 1;
+    } else if (objPtr->typePtr == &levelReferenceType) {
+	level = (int) objPtr->internalRep.longValue;
+	result = 1;
     } else {
-	/*
-	 * Don't cache as the object *isn't* a level reference (might even be
-	 * NULL...)
-	 */
+	name = TclGetString(objPtr);
+	if (name[0] == '#') {
+	    if (TCL_OK == Tcl_GetInt(NULL, name+1, &level) && level >= 0) {
+		TclFreeIntRep(objPtr);
+		objPtr->typePtr = &levelReferenceType;
+		objPtr->internalRep.longValue = level;
+		result = 1;
+	    } else {
+		result = -1;
+	    }
+	} else if (isdigit(UCHAR(name[0]))) { /* INTL: digit */
+	    /*
+	     * If this were an integer, we'd have succeeded already.
+	     * Docs say we have to treat this as a 'bad level'  error.
+	     */
+	    result = -1;
+	}
+    }
 
-    haveLevel1:
+    if (result == 0) {
 	level = curLevel - 1;
-	result = 0;
+	name = "1";
     }
-
-    /*
-     * Figure out which frame to use, and return it to the caller.
-     */
-
-    for (framePtr = iPtr->varFramePtr; framePtr != NULL;
-	    framePtr = framePtr->callerVarPtr) {
-	if (framePtr->level == level) {
-	    break;
+    if (result != -1) {
+	if (level >= 0) {
+	    CallFrame *framePtr;
+	    for (framePtr = iPtr->varFramePtr; framePtr != NULL;
+		    framePtr = framePtr->callerVarPtr) {
+		if (framePtr->level == level) {
+		    *framePtrPtr = framePtr;
+		    return result;
+		}
+	    }
+	}
+	if (name == NULL) {
+	    name = TclGetString(objPtr);
 	}
     }
-    if (framePtr == NULL) {
-	goto levelError;
-    }
-    *framePtrPtr = framePtr;
-    return result;
 
-  levelError:
     Tcl_SetObjResult(interp, Tcl_ObjPrintf("bad level \"%s\"", name));
     Tcl_SetErrorCode(interp, "TCL", "VALUE", "STACKLEVEL", NULL);
     return -1;
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c
index 8d70d20..b480735 100644
--- a/generic/tclStringObj.c
+++ b/generic/tclStringObj.c
@@ -36,15 +36,7 @@
 
 #include "tclInt.h"
 #include "tommath.h"
-
-/*
- * Set COMPAT to 1 to restore the shimmering patterns to those of Tcl 8.5.
- * This is an escape hatch in case the changes have some unexpected unwelcome
- * impact on performance. If things go well, this mechanism can go away when
- * post-8.6 development begins.
- */
-
-#define COMPAT 0
+#include "tclStringRep.h"
 
 /*
  * Prototypes for functions defined later in this file:
@@ -89,60 +81,6 @@ const Tcl_ObjType tclStringType = {
     UpdateStringOfString,	/* updateStringProc */
     SetStringFromAny		/* setFromAnyProc */
 };
-
-/*
- * The following structure is the internal rep for a String object. It keeps
- * track of how much memory has been used and how much has been allocated for
- * the Unicode and UTF string to enable growing and shrinking of the UTF and
- * Unicode reps of the String object with fewer mallocs. To optimize string
- * length and indexing operations, this structure also stores the number of
- * characters (same of UTF and Unicode!) once that value has been computed.
- *
- * Under normal configurations, what Tcl calls "Unicode" is actually UTF-16
- * restricted to the Basic Multilingual Plane (i.e. U+00000 to U+0FFFF). This
- * can be officially modified by altering the definition of Tcl_UniChar in
- * tcl.h, but do not do that unless you are sure what you're doing!
- */
-
-typedef struct String {
-    int numChars;		/* The number of chars in the string. -1 means
-				 * this value has not been calculated. >= 0
-				 * means that there is a valid Unicode rep, or
-				 * that the number of UTF bytes == the number
-				 * of chars. */
-    int allocated;		/* The amount of space actually allocated for
-				 * the UTF string (minus 1 byte for the
-				 * termination char). */
-    int maxChars;		/* Max number of chars that can fit in the
-				 * space allocated for the unicode array. */
-    int hasUnicode;		/* Boolean determining whether the string has
-				 * a Unicode representation. */
-    Tcl_UniChar unicode[1];	/* The array of Unicode chars. The actual size
-				 * of this field depends on the 'maxChars'
-				 * field above. */
-} String;
-
-#define STRING_MAXCHARS \
-	(int)(((size_t)UINT_MAX - sizeof(String))/sizeof(Tcl_UniChar))
-#define STRING_SIZE(numChars) \
-	(sizeof(String) + ((numChars) * sizeof(Tcl_UniChar)))
-#define stringCheckLimits(numChars) \
-    if ((numChars) < 0 || (numChars) > STRING_MAXCHARS) { \
-	Tcl_Panic("max length for a Tcl unicode value (%d chars) exceeded", \
-		STRING_MAXCHARS); \
-    }
-#define stringAttemptAlloc(numChars) \
-	(String *) attemptckalloc((unsigned) STRING_SIZE(numChars) )
-#define stringAlloc(numChars) \
-	(String *) ckalloc((unsigned) STRING_SIZE(numChars) )
-#define stringRealloc(ptr, numChars) \
-    (String *) ckrealloc((ptr), (unsigned) STRING_SIZE(numChars) )
-#define stringAttemptRealloc(ptr, numChars) \
-    (String *) attemptckrealloc((ptr), (unsigned) STRING_SIZE(numChars) )
-#define GET_STRING(objPtr) \
-	((String *) (objPtr)->internalRep.twoPtrValue.ptr1)
-#define SET_STRING(objPtr, stringPtr) \
-	((objPtr)->internalRep.twoPtrValue.ptr1 = (void *) (stringPtr))
 
 /*
  * TCL STRING GROWTH ALGORITHM
@@ -498,18 +436,6 @@ Tcl_GetCharLength(
     if (numChars == -1) {
 	TclNumUtfChars(numChars, objPtr->bytes, objPtr->length);
 	stringPtr->numChars = numChars;
-
-#if COMPAT
-	if (numChars < objPtr->length) {
-	    /*
-	     * Since we've just computed the number of chars, and not all UTF
-	     * chars are 1-byte long, go ahead and populate the unicode
-	     * string.
-	     */
-
-	    FillUnicodeRep(objPtr);
-	}
-#endif
     }
     return numChars;
 }
@@ -1226,11 +1152,7 @@ Tcl_AppendUnicodeToObj(
      * objPtr's string rep.
      */
 
-    if (stringPtr->hasUnicode
-#if COMPAT
-		&& stringPtr->numChars > 0
-#endif
-	    ) {
+    if (stringPtr->hasUnicode) {
 	AppendUnicodeToUnicodeRep(objPtr, unicode, length);
     } else {
 	AppendUnicodeToUtfRep(objPtr, unicode, length);
@@ -1334,11 +1256,7 @@ Tcl_AppendObjToObj(
      * appendObjPtr and append it.
      */
 
-    if (stringPtr->hasUnicode
-#if COMPAT
-		&& stringPtr->numChars > 0
-#endif
-	    ) {
+    if (stringPtr->hasUnicode) {
 	/*
 	 * If appendObjPtr is not of the "String" type, don't convert it.
 	 */
@@ -1371,11 +1289,7 @@ Tcl_AppendObjToObj(
 
     AppendUtfToUtfRep(objPtr, bytes, length);
 
-    if (numChars >= 0 && appendNumChars >= 0
-#if COMPAT
-		&& appendNumChars == length
-#endif
-	    ) {
+    if (numChars >= 0 && appendNumChars >= 0) {
 	stringPtr->numChars = numChars + appendNumChars;
     }
 }
@@ -1499,14 +1413,6 @@ AppendUnicodeToUtfRep(
     if (stringPtr->numChars != -1) {
 	stringPtr->numChars += numChars;
     }
-
-#if COMPAT
-    /*
-     * Invalidate the unicode rep.
-     */
-
-    stringPtr->hasUnicode = 0;
-#endif
 }
 
 /*
@@ -2924,7 +2830,6 @@ DupStringInternalRep(
     String *srcStringPtr = GET_STRING(srcPtr);
     String *copyStringPtr = NULL;
 
-#if COMPAT==0
     if (srcStringPtr->numChars == -1) {
 	/*
 	 * The String struct in the source value holds zero useful data. Don't
@@ -2967,41 +2872,6 @@ DupStringInternalRep(
      */
 
     copyStringPtr->allocated = copyPtr->bytes ? copyPtr->length : 0;
-#else /* COMPAT!=0 */
-    /*
-     * If the src obj is a string of 1-byte Utf chars, then copy the string
-     * rep of the source object and create an "empty" Unicode internal rep for
-     * the new object. Otherwise, copy Unicode internal rep, and invalidate
-     * the string rep of the new object.
-     */
-
-    if (srcStringPtr->hasUnicode && srcStringPtr->numChars > 0) {
-	/*
-	 * Copy the full allocation for the Unicode buffer.
-	 */
-
-	copyStringPtr = stringAlloc(srcStringPtr->maxChars);
-	copyStringPtr->maxChars = srcStringPtr->maxChars;
-	memcpy(copyStringPtr->unicode, srcStringPtr->unicode,
-		srcStringPtr->numChars * sizeof(Tcl_UniChar));
-	copyStringPtr->unicode[srcStringPtr->numChars] = 0;
-	copyStringPtr->allocated = 0;
-    } else {
-	copyStringPtr = stringAlloc(0);
-	copyStringPtr->unicode[0] = 0;
-	copyStringPtr->maxChars = 0;
-
-	/*
-	 * Tricky point: the string value was copied by generic object
-	 * management code, so it doesn't contain any extra bytes that might
-	 * exist in the source object.
-	 */
-
-	copyStringPtr->allocated = copyPtr->length;
-    }
-    copyStringPtr->numChars = srcStringPtr->numChars;
-    copyStringPtr->hasUnicode = srcStringPtr->hasUnicode;
-#endif /* COMPAT==0 */
 
     SET_STRING(copyPtr, copyStringPtr);
     copyPtr->typePtr = &tclStringType;
@@ -3097,7 +2967,7 @@ ExtendStringRepWithUnicode(
      */
 
     int i, origLength, size = 0;
-    char *dst, buf[TCL_UTF_MAX];
+    char *dst;
     String *stringPtr = GET_STRING(objPtr);
 
     if (numChars < 0) {
@@ -3123,7 +2993,7 @@ ExtendStringRepWithUnicode(
     }
 
     for (i = 0; i < numChars && size >= 0; i++) {
-	size += Tcl_UniCharToUtf((int) unicode[i], buf);
+	size += TclUtfCount(unicode[i]);
     }
     if (size < 0) {
 	Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", INT_MAX);
diff --git a/generic/tclStringRep.h b/generic/tclStringRep.h
new file mode 100644
index 0000000..227e6bc
--- /dev/null
+++ b/generic/tclStringRep.h
@@ -0,0 +1,97 @@
+/*
+ * tclStringRep.h --
+ *
+ *	This file contains the definition of the Unicode string internal
+ *	representation and macros to access it.
+ *
+ *	A Unicode string is an internationalized string. Conceptually, a
+ *	Unicode string is an array of 16-bit quantities organized as a
+ *	sequence of properly formed UTF-8 characters. There is a one-to-one
+ *	map between Unicode and UTF characters. Because Unicode characters
+ *	have a fixed width, operations such as indexing operate on Unicode
+ *	data. The String object is optimized for the case where each UTF char
+ *	in a string is only one byte. In this case, we store the value of
+ *	numChars, but we don't store the Unicode data (unless Tcl_GetUnicode
+ *	is explicitly called).
+ *
+ *	The String object type stores one or both formats. The default
+ *	behavior is to store UTF. Once Unicode is calculated by a function, it
+ *	is stored in the internal rep for future access (without an additional
+ *	O(n) cost).
+ *
+ *	To allow many appends to be done to an object without constantly
+ *	reallocating the space for the string or Unicode representation, we
+ *	allocate double the space for the string or Unicode and use the
+ *	internal representation to keep track of how much space is used vs.
+ *	allocated.
+ *
+ * Copyright (c) 1995-1997 Sun Microsystems, Inc.
+ * Copyright (c) 1999 by Scriptics Corporation.
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+/*
+ * The following structure is the internal rep for a String object. It keeps
+ * track of how much memory has been used and how much has been allocated for
+ * the Unicode and UTF string to enable growing and shrinking of the UTF and
+ * Unicode reps of the String object with fewer mallocs. To optimize string
+ * length and indexing operations, this structure also stores the number of
+ * characters (same of UTF and Unicode!) once that value has been computed.
+ *
+ * Under normal configurations, what Tcl calls "Unicode" is actually UTF-16
+ * restricted to the Basic Multilingual Plane (i.e. U+00000 to U+0FFFF). This
+ * can be officially modified by altering the definition of Tcl_UniChar in
+ * tcl.h, but do not do that unless you are sure what you're doing!
+ */
+
+typedef struct String {
+    int numChars;		/* The number of chars in the string. -1 means
+				 * this value has not been calculated. >= 0
+				 * means that there is a valid Unicode rep, or
+				 * that the number of UTF bytes == the number
+				 * of chars. */
+    int allocated;		/* The amount of space actually allocated for
+				 * the UTF string (minus 1 byte for the
+				 * termination char). */
+    int maxChars;		/* Max number of chars that can fit in the
+				 * space allocated for the unicode array. */
+    int hasUnicode;		/* Boolean determining whether the string has
+				 * a Unicode representation. */
+    Tcl_UniChar unicode[1];	/* The array of Unicode chars. The actual size
+				 * of this field depends on the 'maxChars'
+				 * field above. */
+} String;
+
+#define STRING_MAXCHARS \
+    (int)(((size_t)UINT_MAX - sizeof(String))/sizeof(Tcl_UniChar))
+#define STRING_SIZE(numChars) \
+    (sizeof(String) + ((numChars) * sizeof(Tcl_UniChar)))
+#define stringCheckLimits(numChars) \
+    do {								\
+	if ((numChars) < 0 || (numChars) > STRING_MAXCHARS) {		\
+	    Tcl_Panic("max length for a Tcl unicode value (%d chars) exceeded", \
+		      STRING_MAXCHARS);					\
+	}								\
+    } while (0)
+#define stringAttemptAlloc(numChars) \
+    (String *) attemptckalloc((unsigned) STRING_SIZE(numChars))
+#define stringAlloc(numChars) \
+    (String *) ckalloc((unsigned) STRING_SIZE(numChars))
+#define stringRealloc(ptr, numChars) \
+    (String *) ckrealloc((ptr), (unsigned) STRING_SIZE(numChars))
+#define stringAttemptRealloc(ptr, numChars) \
+    (String *) attemptckrealloc((ptr), (unsigned) STRING_SIZE(numChars))
+#define GET_STRING(objPtr) \
+    ((String *) (objPtr)->internalRep.twoPtrValue.ptr1)
+#define SET_STRING(objPtr, stringPtr) \
+    ((objPtr)->internalRep.twoPtrValue.ptr1 = (void *) (stringPtr))
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
diff --git a/generic/tclTest.c b/generic/tclTest.c
index 4695ab5..7c30d36 100644
--- a/generic/tclTest.c
+++ b/generic/tclTest.c
@@ -323,6 +323,9 @@ static int		TestparsevarObjCmd(ClientData dummy,
 static int		TestparsevarnameObjCmd(ClientData dummy,
 			    Tcl_Interp *interp, int objc,
 			    Tcl_Obj *const objv[]);
+static int		TestpreferstableObjCmd(ClientData dummy,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
 static int		TestregexpObjCmd(ClientData dummy,
 			    Tcl_Interp *interp, int objc,
 			    Tcl_Obj *const objv[]);
@@ -653,6 +656,8 @@ Tcltest_Init(
 	    NULL, NULL);
     Tcl_CreateObjCommand(interp, "testparsevarname", TestparsevarnameObjCmd,
 	    NULL, NULL);
+    Tcl_CreateObjCommand(interp, "testpreferstable", TestpreferstableObjCmd,
+	    NULL, NULL);
     Tcl_CreateObjCommand(interp, "testregexp", TestregexpObjCmd,
 	    NULL, NULL);
     Tcl_CreateObjCommand(interp, "testreturn", TestreturnObjCmd,
@@ -3794,6 +3799,36 @@ TestparsevarnameObjCmd(
 /*
  *----------------------------------------------------------------------
  *
+ * TestpreferstableObjCmd --
+ *
+ *	This procedure implements the "testpreferstable" command.  It is
+ *	used for being able to test the "package" command even when the
+ *  environment variable TCL_PKG_PREFER_LATEST is set in your environment.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+TestpreferstableObjCmd(
+    ClientData clientData,	/* Not used. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* The argument objects. */
+{
+    Interp *iPtr = (Interp *) interp;
+    iPtr->packagePrefer = PKG_PREFER_STABLE;
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
  * TestregexpObjCmd --
  *
  *	This procedure implements the "testregexp" command. It is used to give
diff --git a/generic/tclUtf.c b/generic/tclUtf.c
index b878149..6c4cb7f 100644
--- a/generic/tclUtf.c
+++ b/generic/tclUtf.c
@@ -84,17 +84,11 @@ static const unsigned char totalBytes[256] = {
     1,1,1,1
 #endif
 };
-
-/*
- * Functions used only in this module.
- */
-
-static int		UtfCount(int ch);
 
 /*
  *---------------------------------------------------------------------------
  *
- * UtfCount --
+ * TclUtfCount --
  *
  *	Find the number of bytes in the Utf character "ch".
  *
@@ -107,8 +101,8 @@ static int		UtfCount(int ch);
  *---------------------------------------------------------------------------
  */
 
-INLINE static int
-UtfCount(
+int
+TclUtfCount(
     int ch)			/* The Tcl_UniChar whose size is returned. */
 {
     if ((ch > 0) && (ch < UNICODE_SELF)) {
@@ -143,7 +137,7 @@ UtfCount(
  *---------------------------------------------------------------------------
  */
 
-INLINE int
+int
 Tcl_UniCharToUtf(
     int ch,			/* The Tcl_UniChar to be stored in the
 				 * buffer. */
@@ -829,7 +823,7 @@ Tcl_UtfToUpper(
 	 * char to dst if its size is <= the original char.
 	 */
 
-	if (bytes < UtfCount(upChar)) {
+	if (bytes < TclUtfCount(upChar)) {
 	    memcpy(dst, src, (size_t) bytes);
 	    dst += bytes;
 	} else {
@@ -882,7 +876,7 @@ Tcl_UtfToLower(
 	 * char to dst if its size is <= the original char.
 	 */
 
-	if (bytes < UtfCount(lowChar)) {
+	if (bytes < TclUtfCount(lowChar)) {
 	    memcpy(dst, src, (size_t) bytes);
 	    dst += bytes;
 	} else {
@@ -932,7 +926,7 @@ Tcl_UtfToTitle(
 	bytes = TclUtfToUniChar(src, &ch);
 	titleChar = Tcl_UniCharToTitle(ch);
 
-	if (bytes < UtfCount(titleChar)) {
+	if (bytes < TclUtfCount(titleChar)) {
 	    memcpy(dst, src, (size_t) bytes);
 	    dst += bytes;
 	} else {
@@ -944,7 +938,7 @@ Tcl_UtfToTitle(
 	bytes = TclUtfToUniChar(src, &ch);
 	lowChar = Tcl_UniCharToLower(ch);
 
-	if (bytes < UtfCount(lowChar)) {
+	if (bytes < TclUtfCount(lowChar)) {
 	    memcpy(dst, src, (size_t) bytes);
 	    dst += bytes;
 	} else {
diff --git a/generic/tclVar.c b/generic/tclVar.c
index 5574f30..b5b5b10 100644
--- a/generic/tclVar.c
+++ b/generic/tclVar.c
@@ -202,14 +202,9 @@ MODULE_SCOPE Var *	TclLookupSimpleVar(Tcl_Interp *interp,
 
 static Tcl_DupInternalRepProc	DupLocalVarName;
 static Tcl_FreeInternalRepProc	FreeLocalVarName;
-static Tcl_UpdateStringProc	PanicOnUpdateVarName;
 
 static Tcl_FreeInternalRepProc	FreeParsedVarName;
 static Tcl_DupInternalRepProc	DupParsedVarName;
-static Tcl_UpdateStringProc	UpdateParsedVarName;
-
-static Tcl_UpdateStringProc	PanicOnUpdateVarName;
-static Tcl_SetFromAnyProc	PanicOnSetVarName;
 
 /*
  * Types of Tcl_Objs used to cache variable lookups.
@@ -232,12 +227,12 @@ static Tcl_SetFromAnyProc	PanicOnSetVarName;
 
 static const Tcl_ObjType localVarNameType = {
     "localVarName",
-    FreeLocalVarName, DupLocalVarName, PanicOnUpdateVarName, PanicOnSetVarName
+    FreeLocalVarName, DupLocalVarName, NULL, NULL
 };
 
 static const Tcl_ObjType tclParsedVarNameType = {
     "parsedVarName",
-    FreeParsedVarName, DupParsedVarName, UpdateParsedVarName, PanicOnSetVarName
+    FreeParsedVarName, DupParsedVarName, NULL, NULL
 };
 
 /*
@@ -536,7 +531,6 @@ TclObjLookupVarEx(
     const char *errMsg = NULL;
     CallFrame *varFramePtr = iPtr->varFramePtr;
     const char *part2 = part2Ptr? TclGetString(part2Ptr):NULL;
-    char *newPart2 = NULL;
     *arrayPtrPtr = NULL;
 
     if (typePtr == &localVarNameType) {
@@ -583,9 +577,7 @@ TclObjLookupVarEx(
 		}
 		return NULL;
 	    }
-	    part2 = newPart2 = part1Ptr->internalRep.twoPtrValue.ptr2;
-	    if (newPart2) {
-		part2Ptr = Tcl_NewStringObj(newPart2, -1);
+	    if ((part2Ptr = part1Ptr->internalRep.twoPtrValue.ptr2)) {
 		if (createPart2) {
 		    Tcl_IncrRefCount(part2Ptr);
 		}
@@ -629,11 +621,7 @@ TclObjLookupVarEx(
 		len2 = len1 - i - 2;
 		len1 = i;
 
-		newPart2 = ckalloc(len2 + 1);
-		memcpy(newPart2, part2, (unsigned) len2);
-		*(newPart2+len2) = '\0';
-		part2 = newPart2;
-		part2Ptr = Tcl_NewStringObj(newPart2, -1);
+		part2Ptr = Tcl_NewStringObj(part2, len2);
 		if (createPart2) {
 		    Tcl_IncrRefCount(part2Ptr);
 		}
@@ -658,7 +646,8 @@ TclObjLookupVarEx(
 		Tcl_IncrRefCount(part1Ptr);
 
 		objPtr->internalRep.twoPtrValue.ptr1 = part1Ptr;
-		objPtr->internalRep.twoPtrValue.ptr2 = (void *) part2;
+		Tcl_IncrRefCount(part2Ptr);
+		objPtr->internalRep.twoPtrValue.ptr2 = part2Ptr;
 
 		typePtr = part1Ptr->typePtr;
 		part1 = TclGetString(part1Ptr);
@@ -683,9 +672,6 @@ TclObjLookupVarEx(
 	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "VARNAME",
 		    TclGetString(part1Ptr), NULL);
 	}
-	if (newPart2) {
-	    Tcl_DecrRefCount(part2Ptr);
-	}
 	return NULL;
     }
 
@@ -734,9 +720,6 @@ TclObjLookupVarEx(
 	*arrayPtrPtr = varPtr;
 	varPtr = TclLookupArrayElement(interp, part1Ptr, part2Ptr, flags, msg,
 		createPart1, createPart2, varPtr, -1);
-	if (newPart2) {
-	    Tcl_DecrRefCount(part2Ptr);
-	}
     }
     return varPtr;
 }
@@ -5518,28 +5501,6 @@ TclObjVarErrMsg(
  */
 
 /*
- * Panic functions that should never be called in normal operation.
- */
-
-static void
-PanicOnUpdateVarName(
-    Tcl_Obj *objPtr)
-{
-    Tcl_Panic("%s of type %s should not be called", "updateStringProc",
-	    objPtr->typePtr->name);
-}
-
-static int
-PanicOnSetVarName(
-    Tcl_Interp *interp,
-    Tcl_Obj *objPtr)
-{
-    Tcl_Panic("%s of type %s should not be called", "setFromAnyProc",
-	    objPtr->typePtr->name);
-    return TCL_ERROR;
-}
-
-/*
  * localVarName -
  *
  * INTERNALREP DEFINITION:
@@ -5592,11 +5553,11 @@ FreeParsedVarName(
     Tcl_Obj *objPtr)
 {
     register Tcl_Obj *arrayPtr = objPtr->internalRep.twoPtrValue.ptr1;
-    register char *elem = objPtr->internalRep.twoPtrValue.ptr2;
+    register Tcl_Obj *elem = objPtr->internalRep.twoPtrValue.ptr2;
 
     if (arrayPtr != NULL) {
 	TclDecrRefCount(arrayPtr);
-	ckfree(elem);
+	TclDecrRefCount(elem);
     }
     objPtr->typePtr = NULL;
 }
@@ -5607,58 +5568,17 @@ DupParsedVarName(
     Tcl_Obj *dupPtr)
 {
     register Tcl_Obj *arrayPtr = srcPtr->internalRep.twoPtrValue.ptr1;
-    register char *elem = srcPtr->internalRep.twoPtrValue.ptr2;
-    char *elemCopy;
-    unsigned elemLen;
+    register Tcl_Obj *elem = srcPtr->internalRep.twoPtrValue.ptr2;
 
     if (arrayPtr != NULL) {
 	Tcl_IncrRefCount(arrayPtr);
-	elemLen = strlen(elem);
-	elemCopy = ckalloc(elemLen + 1);
-	memcpy(elemCopy, elem, elemLen);
-	*(elemCopy + elemLen) = '\0';
-	elem = elemCopy;
+	Tcl_IncrRefCount(elem);
     }
 
     dupPtr->internalRep.twoPtrValue.ptr1 = arrayPtr;
     dupPtr->internalRep.twoPtrValue.ptr2 = elem;
     dupPtr->typePtr = &tclParsedVarNameType;
 }
-
-static void
-UpdateParsedVarName(
-    Tcl_Obj *objPtr)
-{
-    Tcl_Obj *arrayPtr = objPtr->internalRep.twoPtrValue.ptr1;
-    char *part2 = objPtr->internalRep.twoPtrValue.ptr2;
-    const char *part1;
-    char *p;
-    int len1, len2, totalLen;
-
-    if (arrayPtr == NULL) {
-	/*
-	 * This is a parsed scalar name: what is it doing here?
-	 */
-
-	Tcl_Panic("scalar parsedVarName without a string rep");
-    }
-
-    part1 = TclGetStringFromObj(arrayPtr, &len1);
-    len2 = strlen(part2);
-
-    totalLen = len1 + len2 + 2;
-    p = ckalloc(totalLen + 1);
-    objPtr->bytes = p;
-    objPtr->length = totalLen;
-
-    memcpy(p, part1, (unsigned) len1);
-    p += len1;
-    *p++ = '(';
-    memcpy(p, part2, (unsigned) len2);
-    p += len2;
-    *p++ = ')';
-    *p = '\0';
-}
 
 /*
  *----------------------------------------------------------------------
diff --git a/generic/tclZlib.c b/generic/tclZlib.c
index 50d9a30..691d57a 100644
--- a/generic/tclZlib.c
+++ b/generic/tclZlib.c
@@ -1194,11 +1194,12 @@ Tcl_ZlibStreamPut(
 	zshPtr->stream.next_out = (Bytef *) dataTmp;
 
 	e = deflate(&zshPtr->stream, flush);
-	while (e == Z_BUF_ERROR) {
+	while (e == Z_BUF_ERROR || (flush == Z_FINISH && e == Z_OK)) {
 	    /*
-	     * Output buffer too small to hold the data being generated; so
-	     * put a new buffer into place after saving the old generated
-	     * data to the outData list.
+	     * Output buffer too small to hold the data being generated or we
+	     * are doing the end-of-stream flush (which can spit out masses of
+	     * data). This means we need to put a new buffer into place after
+	     * saving the old generated data to the outData list.
 	     */
 
 	    obj = Tcl_NewByteArrayObj((unsigned char *) dataTmp, outSize);
diff --git a/library/clock.tcl b/library/clock.tcl
index 8e4b657..535a67d 100755
--- a/library/clock.tcl
+++ b/library/clock.tcl
@@ -4248,7 +4248,7 @@ proc ::tcl::clock::add { clockval args } {
              ?-gmt boolean? ?-locale LOCALE? ?-timezone ZONE?\""
     }
     if { [catch { expr {wide($clockval)} } result] } {
-	return -code error $result
+	return -code error "expected integer but got \"$clockval\""
     }
 
     set offsets {}
@@ -4287,9 +4287,6 @@ proc ::tcl::clock::add { clockval args } {
 	    -errorcode [list CLOCK gmtWithTimezone] \
 	    "cannot use -gmt and -timezone in same call"
     }
-    if { [catch { expr { wide($clockval) } } result] } {
-	return -code error "expected integer but got \"$clockval\""
-    }
     if { ![string is boolean -strict $gmt] } {
 	return -code error "expected boolean value but got \"$gmt\""
     } elseif { $gmt } {
@@ -4326,6 +4323,11 @@ proc ::tcl::clock::add { clockval args } {
 			    $changeover]
 		}
 
+		weekdays - weekday {
+		    set clockval [AddWeekDays $quantity $clockval $timezone \
+			    $changeover]
+		}
+
 		hours - hour {
 		    set clockval [expr { 3600 * $quantity + $clockval }]
 		}
@@ -4425,6 +4427,56 @@ proc ::tcl::clock::AddMonths { months clockval timezone changeover } {
 
 #----------------------------------------------------------------------
 #
+# AddWeekDays --
+#
+#	Add a given number of week days (skipping Saturdays and Sundays)
+#	to a given clock value in a given time zone.
+#
+# Parameters:
+#	days - Number of days to add (may be negative)
+#	clockval - Seconds since the epoch before the operation
+#	timezone - Time zone in which the operation is to be performed
+#	changeover - Julian Day on which the Gregorian calendar was adopted
+#		     in the target locale.
+#
+# Results:
+#	Returns the new clock value as a number of seconds since the epoch.
+#
+# Side effects:
+#	None.
+#
+#----------------------------------------------------------------------
+
+proc ::tcl::clock::AddWeekDays { days clockval timezone changeover } {
+
+    if {$days == 0} {
+        return $clockval
+    }
+
+    set day [format $clockval -format %u]
+
+    set weeks  [expr {$days / 5}]
+    set rdays  [expr {$days % 5}]
+    set toAdd  [expr {7 * $weeks + $rdays}]
+    set resDay [expr {$day + ($toAdd % 7)}]
+
+    # Adjust if we start from a weekend
+    if {$day > 5} {
+	set adj [expr {5 - $day}]
+	incr toAdd  $adj
+	incr resDay $adj
+    }
+
+    # Adjust if we end up on a weekend
+    if {$resDay > 5} {
+	incr toAdd 2
+    }
+
+    AddDays $toAdd $clockval $timezone $changeover
+}
+
+#----------------------------------------------------------------------
+#
 # AddDays --
 #
 #	Add a given number of days to a given clock value in a given time
diff --git a/library/reg/pkgIndex.tcl b/library/reg/pkgIndex.tcl
index 49fd1ac..b1fe234 100755
--- a/library/reg/pkgIndex.tcl
+++ b/library/reg/pkgIndex.tcl
@@ -1,9 +1,9 @@
 if {([info commands ::tcl::pkgconfig] eq "")
 	|| ([info sharedlibextension] ne ".dll")} return
 if {[::tcl::pkgconfig get debug]} {
-    package ifneeded registry 1.3.1 \
+    package ifneeded registry 1.3.2 \
             [list load [file join $dir tclreg13g.dll] registry]
 } else {
-    package ifneeded registry 1.3.1 \
+    package ifneeded registry 1.3.2 \
             [list load [file join $dir tclreg13.dll] registry]
 }
diff --git a/library/tcltest/pkgIndex.tcl b/library/tcltest/pkgIndex.tcl
index 987725f..5ac8823 100644
--- a/library/tcltest/pkgIndex.tcl
+++ b/library/tcltest/pkgIndex.tcl
@@ -9,4 +9,4 @@
 # full path name of this file's directory.
 
 if {![package vsatisfies [package provide Tcl] 8.5]} {return}
-package ifneeded tcltest 2.3.8 [list source [file join $dir tcltest.tcl]]
+package ifneeded tcltest 2.4.0 [list source [file join $dir tcltest.tcl]]
diff --git a/library/tcltest/tcltest.tcl b/library/tcltest/tcltest.tcl
index 29ef778..9997187 100644
--- a/library/tcltest/tcltest.tcl
+++ b/library/tcltest/tcltest.tcl
@@ -22,7 +22,7 @@ namespace eval tcltest {
     # When the version number changes, be sure to update the pkgIndex.tcl file,
     # and the install directory in the Makefiles.  When the minor version
     # changes (new feature) be sure to update the man page as well.
-    variable Version 2.3.8
+    variable Version 2.4.0
 
     # Compatibility support for dumb variables defined in tcltest 1
     # Do not use these.  Call [package provide Tcl] and [info patchlevel]
@@ -611,16 +611,27 @@ namespace eval tcltest {
 
     proc AcceptVerbose { level } {
 	set level [AcceptList $level]
+	set levelMap {
+	    l list
+	    p pass
+	    b body
+	    s skip
+	    t start
+	    e error
+	    l line
+	    m msec
+	    u usec
+	}
+	set levelRegexp "^([join [dict values $levelMap] |])\$"
 	if {[llength $level] == 1} {
-	    if {![regexp {^(pass|body|skip|start|error|line)$} $level]} {
+	    if {![regexp $levelRegexp $level]} {
 		# translate single characters abbreviations to expanded list
-		set level [string map {p pass b body s skip t start e error l line} \
-			[split $level {}]]
+		set level [string map $levelMap [split $level {}]]
 	    }
 	}
 	set valid [list]
 	foreach v $level {
-	    if {[regexp {^(pass|body|skip|start|error|line)$} $v]} {
+	    if {[regexp $levelRegexp $v]} {
 		lappend valid $v
 	    }
 	}
@@ -1972,6 +1983,11 @@ proc tcltest::test {name description args} {
     # Only run the test body if the setup was successful
     if {!$setupFailure} {
 
+	# Register startup time
+	if {[IsVerbose msec] || [IsVerbose usec]} {
+	    set timeStart [clock microseconds]
+	}
+
 	# Verbose notification of $body start
 	if {[IsVerbose start]} {
 	    puts [outputChannel] "---- $name start"
@@ -2076,6 +2092,16 @@ proc tcltest::test {name description args} {
 	}
     }
 
+    if {[IsVerbose msec] || [IsVerbose usec]} {
+	set t [expr {[clock microseconds] - $timeStart}]
+	if {[IsVerbose usec]} {
+	    puts [outputChannel] "++++ $name took $t μs"
+	}
+	if {[IsVerbose msec]} {
+	    puts [outputChannel] "++++ $name took [expr {round($t/1000.)}] ms"
+	}
+    }
+
     # if we didn't experience any failures, then we passed
     variable numTests
     if {!($setupFailure || $cleanupFailure || $coreFailure
diff --git a/library/tzdata/America/Caracas b/library/tzdata/America/Caracas
index 2ba87ae..253c4ce 100644
--- a/library/tzdata/America/Caracas
+++ b/library/tzdata/America/Caracas
@@ -6,4 +6,5 @@ set TZData(:America/Caracas) {
     {-1826739140 -16200 0 VET}
     {-157750200 -14400 0 VET}
     {1197183600 -16200 0 VET}
+    {1462086000 -14400 0 VET}
 }
diff --git a/library/tzdata/America/Port-au-Prince b/library/tzdata/America/Port-au-Prince
index f1d7fc4..b8b60d6 100644
--- a/library/tzdata/America/Port-au-Prince
+++ b/library/tzdata/America/Port-au-Prince
@@ -46,172 +46,4 @@ set TZData(:America/Port-au-Prince) {
     {1414908000 -18000 0 EST}
     {1425798000 -14400 1 EDT}
     {1446357600 -18000 0 EST}
-    {1457852400 -14400 1 EDT}
-    {1478412000 -18000 0 EST}
-    {1489302000 -14400 1 EDT}
-    {1509861600 -18000 0 EST}
-    {1520751600 -14400 1 EDT}
-    {1541311200 -18000 0 EST}
-    {1552201200 -14400 1 EDT}
-    {1572760800 -18000 0 EST}
-    {1583650800 -14400 1 EDT}
-    {1604210400 -18000 0 EST}
-    {1615705200 -14400 1 EDT}
-    {1636264800 -18000 0 EST}
-    {1647154800 -14400 1 EDT}
-    {1667714400 -18000 0 EST}
-    {1678604400 -14400 1 EDT}
-    {1699164000 -18000 0 EST}
-    {1710054000 -14400 1 EDT}
-    {1730613600 -18000 0 EST}
-    {1741503600 -14400 1 EDT}
-    {1762063200 -18000 0 EST}
-    {1772953200 -14400 1 EDT}
-    {1793512800 -18000 0 EST}
-    {1805007600 -14400 1 EDT}
-    {1825567200 -18000 0 EST}
-    {1836457200 -14400 1 EDT}
-    {1857016800 -18000 0 EST}
-    {1867906800 -14400 1 EDT}
-    {1888466400 -18000 0 EST}
-    {1899356400 -14400 1 EDT}
-    {1919916000 -18000 0 EST}
-    {1930806000 -14400 1 EDT}
-    {1951365600 -18000 0 EST}
-    {1962860400 -14400 1 EDT}
-    {1983420000 -18000 0 EST}
-    {1994310000 -14400 1 EDT}
-    {2014869600 -18000 0 EST}
-    {2025759600 -14400 1 EDT}
-    {2046319200 -18000 0 EST}
-    {2057209200 -14400 1 EDT}
-    {2077768800 -18000 0 EST}
-    {2088658800 -14400 1 EDT}
-    {2109218400 -18000 0 EST}
-    {2120108400 -14400 1 EDT}
-    {2140668000 -18000 0 EST}
-    {2152162800 -14400 1 EDT}
-    {2172722400 -18000 0 EST}
-    {2183612400 -14400 1 EDT}
-    {2204172000 -18000 0 EST}
-    {2215062000 -14400 1 EDT}
-    {2235621600 -18000 0 EST}
-    {2246511600 -14400 1 EDT}
-    {2267071200 -18000 0 EST}
-    {2277961200 -14400 1 EDT}
-    {2298520800 -18000 0 EST}
-    {2309410800 -14400 1 EDT}
-    {2329970400 -18000 0 EST}
-    {2341465200 -14400 1 EDT}
-    {2362024800 -18000 0 EST}
-    {2372914800 -14400 1 EDT}
-    {2393474400 -18000 0 EST}
-    {2404364400 -14400 1 EDT}
-    {2424924000 -18000 0 EST}
-    {2435814000 -14400 1 EDT}
-    {2456373600 -18000 0 EST}
-    {2467263600 -14400 1 EDT}
-    {2487823200 -18000 0 EST}
-    {2499318000 -14400 1 EDT}
-    {2519877600 -18000 0 EST}
-    {2530767600 -14400 1 EDT}
-    {2551327200 -18000 0 EST}
-    {2562217200 -14400 1 EDT}
-    {2582776800 -18000 0 EST}
-    {2593666800 -14400 1 EDT}
-    {2614226400 -18000 0 EST}
-    {2625116400 -14400 1 EDT}
-    {2645676000 -18000 0 EST}
-    {2656566000 -14400 1 EDT}
-    {2677125600 -18000 0 EST}
-    {2688620400 -14400 1 EDT}
-    {2709180000 -18000 0 EST}
-    {2720070000 -14400 1 EDT}
-    {2740629600 -18000 0 EST}
-    {2751519600 -14400 1 EDT}
-    {2772079200 -18000 0 EST}
-    {2782969200 -14400 1 EDT}
-    {2803528800 -18000 0 EST}
-    {2814418800 -14400 1 EDT}
-    {2834978400 -18000 0 EST}
-    {2846473200 -14400 1 EDT}
-    {2867032800 -18000 0 EST}
-    {2877922800 -14400 1 EDT}
-    {2898482400 -18000 0 EST}
-    {2909372400 -14400 1 EDT}
-    {2929932000 -18000 0 EST}
-    {2940822000 -14400 1 EDT}
-    {2961381600 -18000 0 EST}
-    {2972271600 -14400 1 EDT}
-    {2992831200 -18000 0 EST}
-    {3003721200 -14400 1 EDT}
-    {3024280800 -18000 0 EST}
-    {3035775600 -14400 1 EDT}
-    {3056335200 -18000 0 EST}
-    {3067225200 -14400 1 EDT}
-    {3087784800 -18000 0 EST}
-    {3098674800 -14400 1 EDT}
-    {3119234400 -18000 0 EST}
-    {3130124400 -14400 1 EDT}
-    {3150684000 -18000 0 EST}
-    {3161574000 -14400 1 EDT}
-    {3182133600 -18000 0 EST}
-    {3193023600 -14400 1 EDT}
-    {3213583200 -18000 0 EST}
-    {3225078000 -14400 1 EDT}
-    {3245637600 -18000 0 EST}
-    {3256527600 -14400 1 EDT}
-    {3277087200 -18000 0 EST}
-    {3287977200 -14400 1 EDT}
-    {3308536800 -18000 0 EST}
-    {3319426800 -14400 1 EDT}
-    {3339986400 -18000 0 EST}
-    {3350876400 -14400 1 EDT}
-    {3371436000 -18000 0 EST}
-    {3382930800 -14400 1 EDT}
-    {3403490400 -18000 0 EST}
-    {3414380400 -14400 1 EDT}
-    {3434940000 -18000 0 EST}
-    {3445830000 -14400 1 EDT}
-    {3466389600 -18000 0 EST}
-    {3477279600 -14400 1 EDT}
-    {3497839200 -18000 0 EST}
-    {3508729200 -14400 1 EDT}
-    {3529288800 -18000 0 EST}
-    {3540178800 -14400 1 EDT}
-    {3560738400 -18000 0 EST}
-    {3572233200 -14400 1 EDT}
-    {3592792800 -18000 0 EST}
-    {3603682800 -14400 1 EDT}
-    {3624242400 -18000 0 EST}
-    {3635132400 -14400 1 EDT}
-    {3655692000 -18000 0 EST}
-    {3666582000 -14400 1 EDT}
-    {3687141600 -18000 0 EST}
-    {3698031600 -14400 1 EDT}
-    {3718591200 -18000 0 EST}
-    {3730086000 -14400 1 EDT}
-    {3750645600 -18000 0 EST}
-    {3761535600 -14400 1 EDT}
-    {3782095200 -18000 0 EST}
-    {3792985200 -14400 1 EDT}
-    {3813544800 -18000 0 EST}
-    {3824434800 -14400 1 EDT}
-    {3844994400 -18000 0 EST}
-    {3855884400 -14400 1 EDT}
-    {3876444000 -18000 0 EST}
-    {3887334000 -14400 1 EDT}
-    {3907893600 -18000 0 EST}
-    {3919388400 -14400 1 EDT}
-    {3939948000 -18000 0 EST}
-    {3950838000 -14400 1 EDT}
-    {3971397600 -18000 0 EST}
-    {3982287600 -14400 1 EDT}
-    {4002847200 -18000 0 EST}
-    {4013737200 -14400 1 EDT}
-    {4034296800 -18000 0 EST}
-    {4045186800 -14400 1 EDT}
-    {4065746400 -18000 0 EST}
-    {4076636400 -14400 1 EDT}
-    {4097196000 -18000 0 EST}
 }
diff --git a/library/tzdata/America/Santiago b/library/tzdata/America/Santiago
index b6d9b38..3a5c0fd 100644
--- a/library/tzdata/America/Santiago
+++ b/library/tzdata/America/Santiago
@@ -118,5 +118,172 @@ set TZData(:America/Santiago) {
     {1378612800 -10800 1 CLST}
     {1398567600 -14400 0 CLT}
     {1410062400 -10800 1 CLST}
-    {1430017200 -10800 0 CLT}
+    {1463281200 -14400 0 CLT}
+    {1471147200 -10800 1 CLST}
+    {1494730800 -14400 0 CLT}
+    {1502596800 -10800 1 CLST}
+    {1526180400 -14400 0 CLT}
+    {1534046400 -10800 1 CLST}
+    {1557630000 -14400 0 CLT}
+    {1565496000 -10800 1 CLST}
+    {1589079600 -14400 0 CLT}
+    {1596945600 -10800 1 CLST}
+    {1620529200 -14400 0 CLT}
+    {1629000000 -10800 1 CLST}
+    {1652583600 -14400 0 CLT}
+    {1660449600 -10800 1 CLST}
+    {1684033200 -14400 0 CLT}
+    {1691899200 -10800 1 CLST}
+    {1715482800 -14400 0 CLT}
+    {1723348800 -10800 1 CLST}
+    {1746932400 -14400 0 CLT}
+    {1754798400 -10800 1 CLST}
+    {1778382000 -14400 0 CLT}
+    {1786248000 -10800 1 CLST}
+    {1809831600 -14400 0 CLT}
+    {1818302400 -10800 1 CLST}
+    {1841886000 -14400 0 CLT}
+    {1849752000 -10800 1 CLST}
+    {1873335600 -14400 0 CLT}
+    {1881201600 -10800 1 CLST}
+    {1904785200 -14400 0 CLT}
+    {1912651200 -10800 1 CLST}
+    {1936234800 -14400 0 CLT}
+    {1944100800 -10800 1 CLST}
+    {1967684400 -14400 0 CLT}
+    {1976155200 -10800 1 CLST}
+    {1999738800 -14400 0 CLT}
+    {2007604800 -10800 1 CLST}
+    {2031188400 -14400 0 CLT}
+    {2039054400 -10800 1 CLST}
+    {2062638000 -14400 0 CLT}
+    {2070504000 -10800 1 CLST}
+    {2094087600 -14400 0 CLT}
+    {2101953600 -10800 1 CLST}
+    {2125537200 -14400 0 CLT}
+    {2133403200 -10800 1 CLST}
+    {2156986800 -14400 0 CLT}
+    {2165457600 -10800 1 CLST}
+    {2189041200 -14400 0 CLT}
+    {2196907200 -10800 1 CLST}
+    {2220490800 -14400 0 CLT}
+    {2228356800 -10800 1 CLST}
+    {2251940400 -14400 0 CLT}
+    {2259806400 -10800 1 CLST}
+    {2283390000 -14400 0 CLT}
+    {2291256000 -10800 1 CLST}
+    {2314839600 -14400 0 CLT}
+    {2322705600 -10800 1 CLST}
+    {2346894000 -14400 0 CLT}
+    {2354760000 -10800 1 CLST}
+    {2378343600 -14400 0 CLT}
+    {2386209600 -10800 1 CLST}
+    {2409793200 -14400 0 CLT}
+    {2417659200 -10800 1 CLST}
+    {2441242800 -14400 0 CLT}
+    {2449108800 -10800 1 CLST}
+    {2472692400 -14400 0 CLT}
+    {2480558400 -10800 1 CLST}
+    {2504142000 -14400 0 CLT}
+    {2512612800 -10800 1 CLST}
+    {2536196400 -14400 0 CLT}
+    {2544062400 -10800 1 CLST}
+    {2567646000 -14400 0 CLT}
+    {2575512000 -10800 1 CLST}
+    {2599095600 -14400 0 CLT}
+    {2606961600 -10800 1 CLST}
+    {2630545200 -14400 0 CLT}
+    {2638411200 -10800 1 CLST}
+    {2661994800 -14400 0 CLT}
+    {2669860800 -10800 1 CLST}
+    {2693444400 -14400 0 CLT}
+    {2701915200 -10800 1 CLST}
+    {2725498800 -14400 0 CLT}
+    {2733364800 -10800 1 CLST}
+    {2756948400 -14400 0 CLT}
+    {2764814400 -10800 1 CLST}
+    {2788398000 -14400 0 CLT}
+    {2796264000 -10800 1 CLST}
+    {2819847600 -14400 0 CLT}
+    {2827713600 -10800 1 CLST}
+    {2851297200 -14400 0 CLT}
+    {2859768000 -10800 1 CLST}
+    {2883351600 -14400 0 CLT}
+    {2891217600 -10800 1 CLST}
+    {2914801200 -14400 0 CLT}
+    {2922667200 -10800 1 CLST}
+    {2946250800 -14400 0 CLT}
+    {2954116800 -10800 1 CLST}
+    {2977700400 -14400 0 CLT}
+    {2985566400 -10800 1 CLST}
+    {3009150000 -14400 0 CLT}
+    {3017016000 -10800 1 CLST}
+    {3040599600 -14400 0 CLT}
+    {3049070400 -10800 1 CLST}
+    {3072654000 -14400 0 CLT}
+    {3080520000 -10800 1 CLST}
+    {3104103600 -14400 0 CLT}
+    {3111969600 -10800 1 CLST}
+    {3135553200 -14400 0 CLT}
+    {3143419200 -10800 1 CLST}
+    {3167002800 -14400 0 CLT}
+    {3174868800 -10800 1 CLST}
+    {3198452400 -14400 0 CLT}
+    {3206318400 -10800 1 CLST}
+    {3230506800 -14400 0 CLT}
+    {3238372800 -10800 1 CLST}
+    {3261956400 -14400 0 CLT}
+    {3269822400 -10800 1 CLST}
+    {3293406000 -14400 0 CLT}
+    {3301272000 -10800 1 CLST}
+    {3324855600 -14400 0 CLT}
+    {3332721600 -10800 1 CLST}
+    {3356305200 -14400 0 CLT}
+    {3364171200 -10800 1 CLST}
+    {3387754800 -14400 0 CLT}
+    {3396225600 -10800 1 CLST}
+    {3419809200 -14400 0 CLT}
+    {3427675200 -10800 1 CLST}
+    {3451258800 -14400 0 CLT}
+    {3459124800 -10800 1 CLST}
+    {3482708400 -14400 0 CLT}
+    {3490574400 -10800 1 CLST}
+    {3514158000 -14400 0 CLT}
+    {3522024000 -10800 1 CLST}
+    {3545607600 -14400 0 CLT}
+    {3553473600 -10800 1 CLST}
+    {3577057200 -14400 0 CLT}
+    {3585528000 -10800 1 CLST}
+    {3609111600 -14400 0 CLT}
+    {3616977600 -10800 1 CLST}
+    {3640561200 -14400 0 CLT}
+    {3648427200 -10800 1 CLST}
+    {3672010800 -14400 0 CLT}
+    {3679876800 -10800 1 CLST}
+    {3703460400 -14400 0 CLT}
+    {3711326400 -10800 1 CLST}
+    {3734910000 -14400 0 CLT}
+    {3743380800 -10800 1 CLST}
+    {3766964400 -14400 0 CLT}
+    {3774830400 -10800 1 CLST}
+    {3798414000 -14400 0 CLT}
+    {3806280000 -10800 1 CLST}
+    {3829863600 -14400 0 CLT}
+    {3837729600 -10800 1 CLST}
+    {3861313200 -14400 0 CLT}
+    {3869179200 -10800 1 CLST}
+    {3892762800 -14400 0 CLT}
+    {3900628800 -10800 1 CLST}
+    {3924212400 -14400 0 CLT}
+    {3932683200 -10800 1 CLST}
+    {3956266800 -14400 0 CLT}
+    {3964132800 -10800 1 CLST}
+    {3987716400 -14400 0 CLT}
+    {3995582400 -10800 1 CLST}
+    {4019166000 -14400 0 CLT}
+    {4027032000 -10800 1 CLST}
+    {4050615600 -14400 0 CLT}
+    {4058481600 -10800 1 CLST}
+    {4082065200 -14400 0 CLT}
+    {4089931200 -10800 1 CLST}
 }
diff --git a/library/tzdata/Antarctica/Palmer b/library/tzdata/Antarctica/Palmer
index 2c43861..5767985 100644
--- a/library/tzdata/Antarctica/Palmer
+++ b/library/tzdata/Antarctica/Palmer
@@ -81,5 +81,172 @@ set TZData(:Antarctica/Palmer) {
     {1378612800 -10800 1 CLST}
     {1398567600 -14400 0 CLT}
     {1410062400 -10800 1 CLST}
-    {1430017200 -10800 0 CLT}
+    {1463281200 -14400 0 CLT}
+    {1471147200 -10800 1 CLST}
+    {1494730800 -14400 0 CLT}
+    {1502596800 -10800 1 CLST}
+    {1526180400 -14400 0 CLT}
+    {1534046400 -10800 1 CLST}
+    {1557630000 -14400 0 CLT}
+    {1565496000 -10800 1 CLST}
+    {1589079600 -14400 0 CLT}
+    {1596945600 -10800 1 CLST}
+    {1620529200 -14400 0 CLT}
+    {1629000000 -10800 1 CLST}
+    {1652583600 -14400 0 CLT}
+    {1660449600 -10800 1 CLST}
+    {1684033200 -14400 0 CLT}
+    {1691899200 -10800 1 CLST}
+    {1715482800 -14400 0 CLT}
+    {1723348800 -10800 1 CLST}
+    {1746932400 -14400 0 CLT}
+    {1754798400 -10800 1 CLST}
+    {1778382000 -14400 0 CLT}
+    {1786248000 -10800 1 CLST}
+    {1809831600 -14400 0 CLT}
+    {1818302400 -10800 1 CLST}
+    {1841886000 -14400 0 CLT}
+    {1849752000 -10800 1 CLST}
+    {1873335600 -14400 0 CLT}
+    {1881201600 -10800 1 CLST}
+    {1904785200 -14400 0 CLT}
+    {1912651200 -10800 1 CLST}
+    {1936234800 -14400 0 CLT}
+    {1944100800 -10800 1 CLST}
+    {1967684400 -14400 0 CLT}
+    {1976155200 -10800 1 CLST}
+    {1999738800 -14400 0 CLT}
+    {2007604800 -10800 1 CLST}
+    {2031188400 -14400 0 CLT}
+    {2039054400 -10800 1 CLST}
+    {2062638000 -14400 0 CLT}
+    {2070504000 -10800 1 CLST}
+    {2094087600 -14400 0 CLT}
+    {2101953600 -10800 1 CLST}
+    {2125537200 -14400 0 CLT}
+    {2133403200 -10800 1 CLST}
+    {2156986800 -14400 0 CLT}
+    {2165457600 -10800 1 CLST}
+    {2189041200 -14400 0 CLT}
+    {2196907200 -10800 1 CLST}
+    {2220490800 -14400 0 CLT}
+    {2228356800 -10800 1 CLST}
+    {2251940400 -14400 0 CLT}
+    {2259806400 -10800 1 CLST}
+    {2283390000 -14400 0 CLT}
+    {2291256000 -10800 1 CLST}
+    {2314839600 -14400 0 CLT}
+    {2322705600 -10800 1 CLST}
+    {2346894000 -14400 0 CLT}
+    {2354760000 -10800 1 CLST}
+    {2378343600 -14400 0 CLT}
+    {2386209600 -10800 1 CLST}
+    {2409793200 -14400 0 CLT}
+    {2417659200 -10800 1 CLST}
+    {2441242800 -14400 0 CLT}
+    {2449108800 -10800 1 CLST}
+    {2472692400 -14400 0 CLT}
+    {2480558400 -10800 1 CLST}
+    {2504142000 -14400 0 CLT}
+    {2512612800 -10800 1 CLST}
+    {2536196400 -14400 0 CLT}
+    {2544062400 -10800 1 CLST}
+    {2567646000 -14400 0 CLT}
+    {2575512000 -10800 1 CLST}
+    {2599095600 -14400 0 CLT}
+    {2606961600 -10800 1 CLST}
+    {2630545200 -14400 0 CLT}
+    {2638411200 -10800 1 CLST}
+    {2661994800 -14400 0 CLT}
+    {2669860800 -10800 1 CLST}
+    {2693444400 -14400 0 CLT}
+    {2701915200 -10800 1 CLST}
+    {2725498800 -14400 0 CLT}
+    {2733364800 -10800 1 CLST}
+    {2756948400 -14400 0 CLT}
+    {2764814400 -10800 1 CLST}
+    {2788398000 -14400 0 CLT}
+    {2796264000 -10800 1 CLST}
+    {2819847600 -14400 0 CLT}
+    {2827713600 -10800 1 CLST}
+    {2851297200 -14400 0 CLT}
+    {2859768000 -10800 1 CLST}
+    {2883351600 -14400 0 CLT}
+    {2891217600 -10800 1 CLST}
+    {2914801200 -14400 0 CLT}
+    {2922667200 -10800 1 CLST}
+    {2946250800 -14400 0 CLT}
+    {2954116800 -10800 1 CLST}
+    {2977700400 -14400 0 CLT}
+    {2985566400 -10800 1 CLST}
+    {3009150000 -14400 0 CLT}
+    {3017016000 -10800 1 CLST}
+    {3040599600 -14400 0 CLT}
+    {3049070400 -10800 1 CLST}
+    {3072654000 -14400 0 CLT}
+    {3080520000 -10800 1 CLST}
+    {3104103600 -14400 0 CLT}
+    {3111969600 -10800 1 CLST}
+    {3135553200 -14400 0 CLT}
+    {3143419200 -10800 1 CLST}
+    {3167002800 -14400 0 CLT}
+    {3174868800 -10800 1 CLST}
+    {3198452400 -14400 0 CLT}
+    {3206318400 -10800 1 CLST}
+    {3230506800 -14400 0 CLT}
+    {3238372800 -10800 1 CLST}
+    {3261956400 -14400 0 CLT}
+    {3269822400 -10800 1 CLST}
+    {3293406000 -14400 0 CLT}
+    {3301272000 -10800 1 CLST}
+    {3324855600 -14400 0 CLT}
+    {3332721600 -10800 1 CLST}
+    {3356305200 -14400 0 CLT}
+    {3364171200 -10800 1 CLST}
+    {3387754800 -14400 0 CLT}
+    {3396225600 -10800 1 CLST}
+    {3419809200 -14400 0 CLT}
+    {3427675200 -10800 1 CLST}
+    {3451258800 -14400 0 CLT}
+    {3459124800 -10800 1 CLST}
+    {3482708400 -14400 0 CLT}
+    {3490574400 -10800 1 CLST}
+    {3514158000 -14400 0 CLT}
+    {3522024000 -10800 1 CLST}
+    {3545607600 -14400 0 CLT}
+    {3553473600 -10800 1 CLST}
+    {3577057200 -14400 0 CLT}
+    {3585528000 -10800 1 CLST}
+    {3609111600 -14400 0 CLT}
+    {3616977600 -10800 1 CLST}
+    {3640561200 -14400 0 CLT}
+    {3648427200 -10800 1 CLST}
+    {3672010800 -14400 0 CLT}
+    {3679876800 -10800 1 CLST}
+    {3703460400 -14400 0 CLT}
+    {3711326400 -10800 1 CLST}
+    {3734910000 -14400 0 CLT}
+    {3743380800 -10800 1 CLST}
+    {3766964400 -14400 0 CLT}
+    {3774830400 -10800 1 CLST}
+    {3798414000 -14400 0 CLT}
+    {3806280000 -10800 1 CLST}
+    {3829863600 -14400 0 CLT}
+    {3837729600 -10800 1 CLST}
+    {3861313200 -14400 0 CLT}
+    {3869179200 -10800 1 CLST}
+    {3892762800 -14400 0 CLT}
+    {3900628800 -10800 1 CLST}
+    {3924212400 -14400 0 CLT}
+    {3932683200 -10800 1 CLST}
+    {3956266800 -14400 0 CLT}
+    {3964132800 -10800 1 CLST}
+    {3987716400 -14400 0 CLT}
+    {3995582400 -10800 1 CLST}
+    {4019166000 -14400 0 CLT}
+    {4027032000 -10800 1 CLST}
+    {4050615600 -14400 0 CLT}
+    {4058481600 -10800 1 CLST}
+    {4082065200 -14400 0 CLT}
+    {4089931200 -10800 1 CLST}
 }
diff --git a/library/tzdata/Asia/Almaty b/library/tzdata/Asia/Almaty
index 68dee29..2b83197 100644
--- a/library/tzdata/Asia/Almaty
+++ b/library/tzdata/Asia/Almaty
@@ -2,55 +2,56 @@
 
 set TZData(:Asia/Almaty) {
     {-9223372036854775808 18468 0 LMT}
-    {-1441170468 18000 0 ALMT}
-    {-1247547600 21600 0 ALMT}
-    {354909600 25200 1 ALMST}
-    {370717200 21600 0 ALMT}
-    {386445600 25200 1 ALMST}
-    {402253200 21600 0 ALMT}
-    {417981600 25200 1 ALMST}
-    {433789200 21600 0 ALMT}
-    {449604000 25200 1 ALMST}
-    {465336000 21600 0 ALMT}
-    {481060800 25200 1 ALMST}
-    {496785600 21600 0 ALMT}
-    {512510400 25200 1 ALMST}
-    {528235200 21600 0 ALMT}
-    {543960000 25200 1 ALMST}
-    {559684800 21600 0 ALMT}
-    {575409600 25200 1 ALMST}
-    {591134400 21600 0 ALMT}
-    {606859200 25200 1 ALMST}
-    {622584000 21600 0 ALMT}
-    {638308800 25200 1 ALMST}
-    {654638400 21600 0 ALMT}
-    {662666400 21600 0 ALMT}
-    {694202400 21600 0 ALMT}
-    {701802000 25200 1 ALMST}
-    {717523200 21600 0 ALMT}
-    {733262400 25200 1 ALMST}
-    {748987200 21600 0 ALMT}
-    {764712000 25200 1 ALMST}
-    {780436800 21600 0 ALMT}
-    {796161600 25200 1 ALMST}
-    {811886400 21600 0 ALMT}
-    {828216000 25200 1 ALMST}
-    {846360000 21600 0 ALMT}
-    {859665600 25200 1 ALMST}
-    {877809600 21600 0 ALMT}
-    {891115200 25200 1 ALMST}
-    {909259200 21600 0 ALMT}
-    {922564800 25200 1 ALMST}
-    {941313600 21600 0 ALMT}
-    {954014400 25200 1 ALMST}
-    {972763200 21600 0 ALMT}
-    {985464000 25200 1 ALMST}
-    {1004212800 21600 0 ALMT}
-    {1017518400 25200 1 ALMST}
-    {1035662400 21600 0 ALMT}
-    {1048968000 25200 1 ALMST}
-    {1067112000 21600 0 ALMT}
-    {1080417600 25200 1 ALMST}
-    {1099166400 21600 0 ALMT}
-    {1110823200 21600 0 ALMT}
+    {-1441170468 18000 0 +05}
+    {-1247547600 21600 0 +06}
+    {354909600 25200 1 +07}
+    {370717200 21600 0 +06}
+    {386445600 25200 1 +07}
+    {402253200 21600 0 +06}
+    {417981600 25200 1 +07}
+    {433789200 21600 0 +06}
+    {449604000 25200 1 +07}
+    {465336000 21600 0 +06}
+    {481060800 25200 1 +07}
+    {496785600 21600 0 +06}
+    {512510400 25200 1 +07}
+    {528235200 21600 0 +06}
+    {543960000 25200 1 +07}
+    {559684800 21600 0 +06}
+    {575409600 25200 1 +07}
+    {591134400 21600 0 +06}
+    {606859200 25200 1 +07}
+    {622584000 21600 0 +06}
+    {638308800 25200 1 +07}
+    {654638400 21600 0 +06}
+    {670363200 18000 0 +05}
+    {670366800 21600 1 +06}
+    {686091600 18000 0 +05}
+    {695768400 21600 0 +06}
+    {701812800 25200 1 +07}
+    {717537600 21600 0 +06}
+    {733262400 25200 1 +07}
+    {748987200 21600 0 +06}
+    {764712000 25200 1 +07}
+    {780436800 21600 0 +06}
+    {796161600 25200 1 +07}
+    {811886400 21600 0 +06}
+    {828216000 25200 1 +07}
+    {846360000 21600 0 +06}
+    {859665600 25200 1 +07}
+    {877809600 21600 0 +06}
+    {891115200 25200 1 +07}
+    {909259200 21600 0 +06}
+    {922564800 25200 1 +07}
+    {941313600 21600 0 +06}
+    {954014400 25200 1 +07}
+    {972763200 21600 0 +06}
+    {985464000 25200 1 +07}
+    {1004212800 21600 0 +06}
+    {1017518400 25200 1 +07}
+    {1035662400 21600 0 +06}
+    {1048968000 25200 1 +07}
+    {1067112000 21600 0 +06}
+    {1080417600 25200 1 +07}
+    {1099166400 21600 0 +06}
 }
diff --git a/library/tzdata/Asia/Anadyr b/library/tzdata/Asia/Anadyr
index 50ace50..2e8ffc7 100644
--- a/library/tzdata/Asia/Anadyr
+++ b/library/tzdata/Asia/Anadyr
@@ -29,8 +29,8 @@ set TZData(:Asia/Anadyr) {
     {670345200 43200 1 ANAST}
     {686070000 39600 0 ANAT}
     {695746800 43200 0 ANAMMTT}
-    {701780400 46800 1 ANAST}
-    {717501600 43200 0 ANAT}
+    {701791200 46800 1 ANAST}
+    {717516000 43200 0 ANAT}
     {733240800 46800 1 ANAST}
     {748965600 43200 0 ANAT}
     {764690400 46800 1 ANAST}
diff --git a/library/tzdata/Asia/Aqtau b/library/tzdata/Asia/Aqtau
index 11e89a2..90cc94d 100644
--- a/library/tzdata/Asia/Aqtau
+++ b/library/tzdata/Asia/Aqtau
@@ -2,57 +2,58 @@
 
 set TZData(:Asia/Aqtau) {
     {-9223372036854775808 12064 0 LMT}
-    {-1441164064 14400 0 FORT}
-    {-1247544000 18000 0 FORT}
-    {-220942800 18000 0 SHET}
-    {370724400 21600 0 SHET}
-    {386445600 18000 0 SHET}
-    {386449200 21600 1 SHEST}
-    {402256800 18000 0 SHET}
-    {417985200 21600 1 SHEST}
-    {433792800 18000 0 SHET}
-    {449607600 21600 1 SHEST}
-    {465339600 18000 0 SHET}
-    {481064400 21600 1 SHEST}
-    {496789200 18000 0 SHET}
-    {512514000 21600 1 SHEST}
-    {528238800 18000 0 SHET}
-    {543963600 21600 1 SHEST}
-    {559688400 18000 0 SHET}
-    {575413200 21600 1 SHEST}
-    {591138000 18000 0 SHET}
-    {606862800 21600 1 SHEST}
-    {622587600 18000 0 SHET}
-    {638312400 21600 1 SHEST}
-    {654642000 18000 0 SHET}
-    {662670000 18000 0 SHET}
-    {692823600 18000 0 AQTT}
-    {701805600 21600 1 AQTST}
-    {717526800 18000 0 AQTT}
-    {733266000 21600 1 AQTST}
-    {748990800 18000 0 AQTT}
-    {764715600 21600 1 AQTST}
-    {780440400 18000 0 AQTT}
-    {796165200 14400 0 AQTT}
-    {796168800 18000 1 AQTST}
-    {811893600 14400 0 AQTT}
-    {828223200 18000 1 AQTST}
-    {846367200 14400 0 AQTT}
-    {859672800 18000 1 AQTST}
-    {877816800 14400 0 AQTT}
-    {891122400 18000 1 AQTST}
-    {909266400 14400 0 AQTT}
-    {922572000 18000 1 AQTST}
-    {941320800 14400 0 AQTT}
-    {954021600 18000 1 AQTST}
-    {972770400 14400 0 AQTT}
-    {985471200 18000 1 AQTST}
-    {1004220000 14400 0 AQTT}
-    {1017525600 18000 1 AQTST}
-    {1035669600 14400 0 AQTT}
-    {1048975200 18000 1 AQTST}
-    {1067119200 14400 0 AQTT}
-    {1080424800 18000 1 AQTST}
-    {1099173600 14400 0 AQTT}
-    {1110830400 18000 0 AQTT}
+    {-1441164064 14400 0 +04}
+    {-1247544000 18000 0 +05}
+    {-220942800 18000 0 +05}
+    {370724400 21600 0 +06}
+    {386445600 18000 0 +05}
+    {386449200 21600 1 +06}
+    {402256800 18000 0 +05}
+    {417985200 21600 1 +06}
+    {433792800 18000 0 +05}
+    {449607600 21600 1 +06}
+    {465339600 18000 0 +05}
+    {481064400 21600 1 +06}
+    {496789200 18000 0 +05}
+    {512514000 21600 1 +06}
+    {528238800 18000 0 +05}
+    {543963600 21600 1 +06}
+    {559688400 18000 0 +05}
+    {575413200 21600 1 +06}
+    {591138000 18000 0 +05}
+    {606862800 21600 1 +06}
+    {622587600 18000 0 +05}
+    {638312400 21600 1 +06}
+    {654642000 18000 0 +05}
+    {670366800 14400 0 +04}
+    {670370400 18000 1 +05}
+    {686095200 14400 0 +04}
+    {695772000 18000 0 +05}
+    {701816400 21600 1 +06}
+    {717541200 18000 0 +05}
+    {733266000 21600 1 +06}
+    {748990800 18000 0 +05}
+    {764715600 21600 1 +06}
+    {780440400 18000 0 +05}
+    {780444000 14400 0 +04}
+    {796168800 18000 1 +05}
+    {811893600 14400 0 +04}
+    {828223200 18000 1 +05}
+    {846367200 14400 0 +04}
+    {859672800 18000 1 +05}
+    {877816800 14400 0 +04}
+    {891122400 18000 1 +05}
+    {909266400 14400 0 +04}
+    {922572000 18000 1 +05}
+    {941320800 14400 0 +04}
+    {954021600 18000 1 +05}
+    {972770400 14400 0 +04}
+    {985471200 18000 1 +05}
+    {1004220000 14400 0 +04}
+    {1017525600 18000 1 +05}
+    {1035669600 14400 0 +04}
+    {1048975200 18000 1 +05}
+    {1067119200 14400 0 +04}
+    {1080424800 18000 1 +05}
+    {1099173600 18000 0 +05}
 }
diff --git a/library/tzdata/Asia/Aqtobe b/library/tzdata/Asia/Aqtobe
index c857491..55ef556 100644
--- a/library/tzdata/Asia/Aqtobe
+++ b/library/tzdata/Asia/Aqtobe
@@ -2,56 +2,57 @@
 
 set TZData(:Asia/Aqtobe) {
     {-9223372036854775808 13720 0 LMT}
-    {-1441165720 14400 0 AKTT}
-    {-1247544000 18000 0 AKTT}
-    {354913200 21600 1 AKTST}
-    {370720800 21600 0 AKTT}
-    {386445600 18000 0 AKTT}
-    {386449200 21600 1 AKTST}
-    {402256800 18000 0 AKTT}
-    {417985200 21600 1 AKTST}
-    {433792800 18000 0 AKTT}
-    {449607600 21600 1 AKTST}
-    {465339600 18000 0 AKTT}
-    {481064400 21600 1 AKTST}
-    {496789200 18000 0 AKTT}
-    {512514000 21600 1 AKTST}
-    {528238800 18000 0 AKTT}
-    {543963600 21600 1 AKTST}
-    {559688400 18000 0 AKTT}
-    {575413200 21600 1 AKTST}
-    {591138000 18000 0 AKTT}
-    {606862800 21600 1 AKTST}
-    {622587600 18000 0 AKTT}
-    {638312400 21600 1 AKTST}
-    {654642000 18000 0 AKTT}
-    {662670000 18000 0 AKTT}
-    {692823600 18000 0 AQTT}
-    {701805600 21600 1 AQTST}
-    {717526800 18000 0 AQTT}
-    {733266000 21600 1 AQTST}
-    {748990800 18000 0 AQTT}
-    {764715600 21600 1 AQTST}
-    {780440400 18000 0 AQTT}
-    {796165200 21600 1 AQTST}
-    {811890000 18000 0 AQTT}
-    {828219600 21600 1 AQTST}
-    {846363600 18000 0 AQTT}
-    {859669200 21600 1 AQTST}
-    {877813200 18000 0 AQTT}
-    {891118800 21600 1 AQTST}
-    {909262800 18000 0 AQTT}
-    {922568400 21600 1 AQTST}
-    {941317200 18000 0 AQTT}
-    {954018000 21600 1 AQTST}
-    {972766800 18000 0 AQTT}
-    {985467600 21600 1 AQTST}
-    {1004216400 18000 0 AQTT}
-    {1017522000 21600 1 AQTST}
-    {1035666000 18000 0 AQTT}
-    {1048971600 21600 1 AQTST}
-    {1067115600 18000 0 AQTT}
-    {1080421200 21600 1 AQTST}
-    {1099170000 18000 0 AQTT}
-    {1110826800 18000 0 AQTT}
+    {-1441165720 14400 0 +04}
+    {-1247544000 18000 0 +05}
+    {354913200 21600 1 +06}
+    {370720800 21600 0 +06}
+    {386445600 18000 0 +05}
+    {386449200 21600 1 +06}
+    {402256800 18000 0 +05}
+    {417985200 21600 1 +06}
+    {433792800 18000 0 +05}
+    {449607600 21600 1 +06}
+    {465339600 18000 0 +05}
+    {481064400 21600 1 +06}
+    {496789200 18000 0 +05}
+    {512514000 21600 1 +06}
+    {528238800 18000 0 +05}
+    {543963600 21600 1 +06}
+    {559688400 18000 0 +05}
+    {575413200 21600 1 +06}
+    {591138000 18000 0 +05}
+    {606862800 21600 1 +06}
+    {622587600 18000 0 +05}
+    {638312400 21600 1 +06}
+    {654642000 18000 0 +05}
+    {670366800 14400 0 +04}
+    {670370400 18000 1 +05}
+    {686095200 14400 0 +04}
+    {695772000 18000 0 +05}
+    {701816400 21600 1 +06}
+    {717541200 18000 0 +05}
+    {733266000 21600 1 +06}
+    {748990800 18000 0 +05}
+    {764715600 21600 1 +06}
+    {780440400 18000 0 +05}
+    {796165200 21600 1 +06}
+    {811890000 18000 0 +05}
+    {828219600 21600 1 +06}
+    {846363600 18000 0 +05}
+    {859669200 21600 1 +06}
+    {877813200 18000 0 +05}
+    {891118800 21600 1 +06}
+    {909262800 18000 0 +05}
+    {922568400 21600 1 +06}
+    {941317200 18000 0 +05}
+    {954018000 21600 1 +06}
+    {972766800 18000 0 +05}
+    {985467600 21600 1 +06}
+    {1004216400 18000 0 +05}
+    {1017522000 21600 1 +06}
+    {1035666000 18000 0 +05}
+    {1048971600 21600 1 +06}
+    {1067115600 18000 0 +05}
+    {1080421200 21600 1 +06}
+    {1099170000 18000 0 +05}
 }
diff --git a/library/tzdata/Asia/Baku b/library/tzdata/Asia/Baku
index e50071b..bc0701a 100644
--- a/library/tzdata/Asia/Baku
+++ b/library/tzdata/Asia/Baku
@@ -27,7 +27,7 @@ set TZData(:Asia/Baku) {
     {670370400 14400 1 BAKST}
     {683496000 14400 0 AZST}
     {686098800 10800 0 AZT}
-    {701812800 14400 1 AZST}
+    {701823600 14400 1 AZST}
     {717537600 14400 0 AZT}
     {820440000 14400 0 AZT}
     {828234000 18000 1 AZST}
@@ -71,172 +71,4 @@ set TZData(:Asia/Baku) {
     {1414281600 14400 0 AZT}
     {1427587200 18000 1 AZST}
     {1445731200 14400 0 AZT}
-    {1459036800 18000 1 AZST}
-    {1477785600 14400 0 AZT}
-    {1490486400 18000 1 AZST}
-    {1509235200 14400 0 AZT}
-    {1521936000 18000 1 AZST}
-    {1540684800 14400 0 AZT}
-    {1553990400 18000 1 AZST}
-    {1572134400 14400 0 AZT}
-    {1585440000 18000 1 AZST}
-    {1603584000 14400 0 AZT}
-    {1616889600 18000 1 AZST}
-    {1635638400 14400 0 AZT}
-    {1648339200 18000 1 AZST}
-    {1667088000 14400 0 AZT}
-    {1679788800 18000 1 AZST}
-    {1698537600 14400 0 AZT}
-    {1711843200 18000 1 AZST}
-    {1729987200 14400 0 AZT}
-    {1743292800 18000 1 AZST}
-    {1761436800 14400 0 AZT}
-    {1774742400 18000 1 AZST}
-    {1792886400 14400 0 AZT}
-    {1806192000 18000 1 AZST}
-    {1824940800 14400 0 AZT}
-    {1837641600 18000 1 AZST}
-    {1856390400 14400 0 AZT}
-    {1869091200 18000 1 AZST}
-    {1887840000 14400 0 AZT}
-    {1901145600 18000 1 AZST}
-    {1919289600 14400 0 AZT}
-    {1932595200 18000 1 AZST}
-    {1950739200 14400 0 AZT}
-    {1964044800 18000 1 AZST}
-    {1982793600 14400 0 AZT}
-    {1995494400 18000 1 AZST}
-    {2014243200 14400 0 AZT}
-    {2026944000 18000 1 AZST}
-    {2045692800 14400 0 AZT}
-    {2058393600 18000 1 AZST}
-    {2077142400 14400 0 AZT}
-    {2090448000 18000 1 AZST}
-    {2108592000 14400 0 AZT}
-    {2121897600 18000 1 AZST}
-    {2140041600 14400 0 AZT}
-    {2153347200 18000 1 AZST}
-    {2172096000 14400 0 AZT}
-    {2184796800 18000 1 AZST}
-    {2203545600 14400 0 AZT}
-    {2216246400 18000 1 AZST}
-    {2234995200 14400 0 AZT}
-    {2248300800 18000 1 AZST}
-    {2266444800 14400 0 AZT}
-    {2279750400 18000 1 AZST}
-    {2297894400 14400 0 AZT}
-    {2311200000 18000 1 AZST}
-    {2329344000 14400 0 AZT}
-    {2342649600 18000 1 AZST}
-    {2361398400 14400 0 AZT}
-    {2374099200 18000 1 AZST}
-    {2392848000 14400 0 AZT}
-    {2405548800 18000 1 AZST}
-    {2424297600 14400 0 AZT}
-    {2437603200 18000 1 AZST}
-    {2455747200 14400 0 AZT}
-    {2469052800 18000 1 AZST}
-    {2487196800 14400 0 AZT}
-    {2500502400 18000 1 AZST}
-    {2519251200 14400 0 AZT}
-    {2531952000 18000 1 AZST}
-    {2550700800 14400 0 AZT}
-    {2563401600 18000 1 AZST}
-    {2582150400 14400 0 AZT}
-    {2595456000 18000 1 AZST}
-    {2613600000 14400 0 AZT}
-    {2626905600 18000 1 AZST}
-    {2645049600 14400 0 AZT}
-    {2658355200 18000 1 AZST}
-    {2676499200 14400 0 AZT}
-    {2689804800 18000 1 AZST}
-    {2708553600 14400 0 AZT}
-    {2721254400 18000 1 AZST}
-    {2740003200 14400 0 AZT}
-    {2752704000 18000 1 AZST}
-    {2771452800 14400 0 AZT}
-    {2784758400 18000 1 AZST}
-    {2802902400 14400 0 AZT}
-    {2816208000 18000 1 AZST}
-    {2834352000 14400 0 AZT}
-    {2847657600 18000 1 AZST}
-    {2866406400 14400 0 AZT}
-    {2879107200 18000 1 AZST}
-    {2897856000 14400 0 AZT}
-    {2910556800 18000 1 AZST}
-    {2929305600 14400 0 AZT}
-    {2942006400 18000 1 AZST}
-    {2960755200 14400 0 AZT}
-    {2974060800 18000 1 AZST}
-    {2992204800 14400 0 AZT}
-    {3005510400 18000 1 AZST}
-    {3023654400 14400 0 AZT}
-    {3036960000 18000 1 AZST}
-    {3055708800 14400 0 AZT}
-    {3068409600 18000 1 AZST}
-    {3087158400 14400 0 AZT}
-    {3099859200 18000 1 AZST}
-    {3118608000 14400 0 AZT}
-    {3131913600 18000 1 AZST}
-    {3150057600 14400 0 AZT}
-    {3163363200 18000 1 AZST}
-    {3181507200 14400 0 AZT}
-    {3194812800 18000 1 AZST}
-    {3212956800 14400 0 AZT}
-    {3226262400 18000 1 AZST}
-    {3245011200 14400 0 AZT}
-    {3257712000 18000 1 AZST}
-    {3276460800 14400 0 AZT}
-    {3289161600 18000 1 AZST}
-    {3307910400 14400 0 AZT}
-    {3321216000 18000 1 AZST}
-    {3339360000 14400 0 AZT}
-    {3352665600 18000 1 AZST}
-    {3370809600 14400 0 AZT}
-    {3384115200 18000 1 AZST}
-    {3402864000 14400 0 AZT}
-    {3415564800 18000 1 AZST}
-    {3434313600 14400 0 AZT}
-    {3447014400 18000 1 AZST}
-    {3465763200 14400 0 AZT}
-    {3479068800 18000 1 AZST}
-    {3497212800 14400 0 AZT}
-    {3510518400 18000 1 AZST}
-    {3528662400 14400 0 AZT}
-    {3541968000 18000 1 AZST}
-    {3560112000 14400 0 AZT}
-    {3573417600 18000 1 AZST}
-    {3592166400 14400 0 AZT}
-    {3604867200 18000 1 AZST}
-    {3623616000 14400 0 AZT}
-    {3636316800 18000 1 AZST}
-    {3655065600 14400 0 AZT}
-    {3668371200 18000 1 AZST}
-    {3686515200 14400 0 AZT}
-    {3699820800 18000 1 AZST}
-    {3717964800 14400 0 AZT}
-    {3731270400 18000 1 AZST}
-    {3750019200 14400 0 AZT}
-    {3762720000 18000 1 AZST}
-    {3781468800 14400 0 AZT}
-    {3794169600 18000 1 AZST}
-    {3812918400 14400 0 AZT}
-    {3825619200 18000 1 AZST}
-    {3844368000 14400 0 AZT}
-    {3857673600 18000 1 AZST}
-    {3875817600 14400 0 AZT}
-    {3889123200 18000 1 AZST}
-    {3907267200 14400 0 AZT}
-    {3920572800 18000 1 AZST}
-    {3939321600 14400 0 AZT}
-    {3952022400 18000 1 AZST}
-    {3970771200 14400 0 AZT}
-    {3983472000 18000 1 AZST}
-    {4002220800 14400 0 AZT}
-    {4015526400 18000 1 AZST}
-    {4033670400 14400 0 AZT}
-    {4046976000 18000 1 AZST}
-    {4065120000 14400 0 AZT}
-    {4078425600 18000 1 AZST}
-    {4096569600 14400 0 AZT}
 }
diff --git a/library/tzdata/Asia/Barnaul b/library/tzdata/Asia/Barnaul
new file mode 100644
index 0000000..bf6abbf
--- /dev/null
+++ b/library/tzdata/Asia/Barnaul
@@ -0,0 +1,73 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Asia/Barnaul) {
+    {-9223372036854775808 20100 0 LMT}
+    {-1579844100 21600 0 +06}
+    {-1247551200 25200 0 +08}
+    {354906000 28800 1 +08}
+    {370713600 25200 0 +07}
+    {386442000 28800 1 +08}
+    {402249600 25200 0 +07}
+    {417978000 28800 1 +08}
+    {433785600 25200 0 +07}
+    {449600400 28800 1 +08}
+    {465332400 25200 0 +07}
+    {481057200 28800 1 +08}
+    {496782000 25200 0 +07}
+    {512506800 28800 1 +08}
+    {528231600 25200 0 +07}
+    {543956400 28800 1 +08}
+    {559681200 25200 0 +07}
+    {575406000 28800 1 +08}
+    {591130800 25200 0 +07}
+    {606855600 28800 1 +08}
+    {622580400 25200 0 +07}
+    {638305200 28800 1 +08}
+    {654634800 25200 0 +07}
+    {670359600 21600 0 +07}
+    {670363200 25200 1 +07}
+    {686088000 21600 0 +06}
+    {695764800 25200 0 +08}
+    {701809200 28800 1 +08}
+    {717534000 25200 0 +07}
+    {733258800 28800 1 +08}
+    {748983600 25200 0 +07}
+    {764708400 28800 1 +08}
+    {780433200 25200 0 +07}
+    {796158000 28800 1 +08}
+    {801594000 25200 0 +07}
+    {811886400 21600 0 +06}
+    {828216000 25200 1 +07}
+    {846360000 21600 0 +06}
+    {859665600 25200 1 +07}
+    {877809600 21600 0 +06}
+    {891115200 25200 1 +07}
+    {909259200 21600 0 +06}
+    {922564800 25200 1 +07}
+    {941313600 21600 0 +06}
+    {954014400 25200 1 +07}
+    {972763200 21600 0 +06}
+    {985464000 25200 1 +07}
+    {1004212800 21600 0 +06}
+    {1017518400 25200 1 +07}
+    {1035662400 21600 0 +06}
+    {1048968000 25200 1 +07}
+    {1067112000 21600 0 +06}
+    {1080417600 25200 1 +07}
+    {1099166400 21600 0 +06}
+    {1111867200 25200 1 +07}
+    {1130616000 21600 0 +06}
+    {1143316800 25200 1 +07}
+    {1162065600 21600 0 +06}
+    {1174766400 25200 1 +07}
+    {1193515200 21600 0 +06}
+    {1206820800 25200 1 +07}
+    {1224964800 21600 0 +06}
+    {1238270400 25200 1 +07}
+    {1256414400 21600 0 +06}
+    {1269720000 25200 1 +07}
+    {1288468800 21600 0 +06}
+    {1301169600 25200 0 +07}
+    {1414263600 21600 0 +06}
+    {1459022400 25200 0 +07}
+}
diff --git a/library/tzdata/Asia/Chita b/library/tzdata/Asia/Chita
index 6aef523..2517beb 100644
--- a/library/tzdata/Asia/Chita
+++ b/library/tzdata/Asia/Chita
@@ -28,8 +28,8 @@ set TZData(:Asia/Chita) {
     {670356000 32400 1 YAKST}
     {686080800 28800 0 YAKT}
     {695757600 32400 0 YAKMMTT}
-    {701791200 36000 1 YAKST}
-    {717512400 32400 0 YAKT}
+    {701802000 36000 1 YAKST}
+    {717526800 32400 0 YAKT}
     {733251600 36000 1 YAKST}
     {748976400 32400 0 YAKT}
     {764701200 36000 1 YAKST}
diff --git a/library/tzdata/Asia/Gaza b/library/tzdata/Asia/Gaza
index 805b6b7..6adfe6d 100644
--- a/library/tzdata/Asia/Gaza
+++ b/library/tzdata/Asia/Gaza
@@ -107,172 +107,172 @@ set TZData(:Asia/Gaza) {
     {1414098000 7200 0 EET}
     {1427493600 10800 1 EEST}
     {1445547600 7200 0 EET}
-    {1458943200 10800 1 EEST}
+    {1458946800 10800 1 EEST}
     {1476997200 7200 0 EET}
-    {1490997600 10800 1 EEST}
+    {1490396400 10800 1 EEST}
     {1509051600 7200 0 EET}
-    {1522447200 10800 1 EEST}
+    {1522450800 10800 1 EEST}
     {1540501200 7200 0 EET}
-    {1553896800 10800 1 EEST}
+    {1553900400 10800 1 EEST}
     {1571950800 7200 0 EET}
-    {1585346400 10800 1 EEST}
+    {1585350000 10800 1 EEST}
     {1603400400 7200 0 EET}
-    {1616796000 10800 1 EEST}
+    {1616799600 10800 1 EEST}
     {1634850000 7200 0 EET}
-    {1648245600 10800 1 EEST}
+    {1648249200 10800 1 EEST}
     {1666299600 7200 0 EET}
-    {1680300000 10800 1 EEST}
+    {1679698800 10800 1 EEST}
     {1698354000 7200 0 EET}
-    {1711749600 10800 1 EEST}
+    {1711753200 10800 1 EEST}
     {1729803600 7200 0 EET}
-    {1743199200 10800 1 EEST}
+    {1743202800 10800 1 EEST}
     {1761253200 7200 0 EET}
-    {1774648800 10800 1 EEST}
+    {1774652400 10800 1 EEST}
     {1792702800 7200 0 EET}
-    {1806098400 10800 1 EEST}
+    {1806102000 10800 1 EEST}
     {1824152400 7200 0 EET}
-    {1838152800 10800 1 EEST}
+    {1837551600 10800 1 EEST}
     {1856206800 7200 0 EET}
-    {1869602400 10800 1 EEST}
+    {1869606000 10800 1 EEST}
     {1887656400 7200 0 EET}
-    {1901052000 10800 1 EEST}
+    {1901055600 10800 1 EEST}
     {1919106000 7200 0 EET}
-    {1932501600 10800 1 EEST}
+    {1932505200 10800 1 EEST}
     {1950555600 7200 0 EET}
-    {1963951200 10800 1 EEST}
+    {1963954800 10800 1 EEST}
     {1982005200 7200 0 EET}
-    {1995400800 10800 1 EEST}
+    {1995404400 10800 1 EEST}
     {2013454800 7200 0 EET}
-    {2027455200 10800 1 EEST}
+    {2026854000 10800 1 EEST}
     {2045509200 7200 0 EET}
-    {2058904800 10800 1 EEST}
+    {2058908400 10800 1 EEST}
     {2076958800 7200 0 EET}
-    {2090354400 10800 1 EEST}
+    {2090358000 10800 1 EEST}
     {2108408400 7200 0 EET}
-    {2121804000 10800 1 EEST}
+    {2121807600 10800 1 EEST}
     {2139858000 7200 0 EET}
-    {2153253600 10800 1 EEST}
+    {2153257200 10800 1 EEST}
     {2171307600 7200 0 EET}
-    {2184703200 10800 1 EEST}
+    {2184706800 10800 1 EEST}
     {2202757200 7200 0 EET}
-    {2216757600 10800 1 EEST}
+    {2216761200 10800 1 EEST}
     {2234811600 7200 0 EET}
-    {2248207200 10800 1 EEST}
+    {2248210800 10800 1 EEST}
     {2266261200 7200 0 EET}
-    {2279656800 10800 1 EEST}
+    {2279660400 10800 1 EEST}
     {2297710800 7200 0 EET}
-    {2311106400 10800 1 EEST}
+    {2311110000 10800 1 EEST}
     {2329160400 7200 0 EET}
-    {2342556000 10800 1 EEST}
+    {2342559600 10800 1 EEST}
     {2360610000 7200 0 EET}
-    {2374610400 10800 1 EEST}
+    {2374009200 10800 1 EEST}
     {2392664400 7200 0 EET}
-    {2406060000 10800 1 EEST}
+    {2406063600 10800 1 EEST}
     {2424114000 7200 0 EET}
-    {2437509600 10800 1 EEST}
+    {2437513200 10800 1 EEST}
     {2455563600 7200 0 EET}
-    {2468959200 10800 1 EEST}
+    {2468962800 10800 1 EEST}
     {2487013200 7200 0 EET}
-    {2500408800 10800 1 EEST}
+    {2500412400 10800 1 EEST}
     {2518462800 7200 0 EET}
-    {2531858400 10800 1 EEST}
+    {2531862000 10800 1 EEST}
     {2549912400 7200 0 EET}
-    {2563912800 10800 1 EEST}
+    {2563311600 10800 1 EEST}
     {2581966800 7200 0 EET}
-    {2595362400 10800 1 EEST}
+    {2595366000 10800 1 EEST}
     {2613416400 7200 0 EET}
-    {2626812000 10800 1 EEST}
+    {2626815600 10800 1 EEST}
     {2644866000 7200 0 EET}
-    {2658261600 10800 1 EEST}
+    {2658265200 10800 1 EEST}
     {2676315600 7200 0 EET}
-    {2689711200 10800 1 EEST}
+    {2689714800 10800 1 EEST}
     {2707765200 7200 0 EET}
-    {2721765600 10800 1 EEST}
+    {2721164400 10800 1 EEST}
     {2739819600 7200 0 EET}
-    {2753215200 10800 1 EEST}
+    {2753218800 10800 1 EEST}
     {2771269200 7200 0 EET}
-    {2784664800 10800 1 EEST}
+    {2784668400 10800 1 EEST}
     {2802718800 7200 0 EET}
-    {2816114400 10800 1 EEST}
+    {2816118000 10800 1 EEST}
     {2834168400 7200 0 EET}
-    {2847564000 10800 1 EEST}
+    {2847567600 10800 1 EEST}
     {2865618000 7200 0 EET}
-    {2879013600 10800 1 EEST}
+    {2879017200 10800 1 EEST}
     {2897067600 7200 0 EET}
-    {2911068000 10800 1 EEST}
+    {2910466800 10800 1 EEST}
     {2929122000 7200 0 EET}
-    {2942517600 10800 1 EEST}
+    {2942521200 10800 1 EEST}
     {2960571600 7200 0 EET}
-    {2973967200 10800 1 EEST}
+    {2973970800 10800 1 EEST}
     {2992021200 7200 0 EET}
-    {3005416800 10800 1 EEST}
+    {3005420400 10800 1 EEST}
     {3023470800 7200 0 EET}
-    {3036866400 10800 1 EEST}
+    {3036870000 10800 1 EEST}
     {3054920400 7200 0 EET}
-    {3068316000 10800 1 EEST}
+    {3068319600 10800 1 EEST}
     {3086370000 7200 0 EET}
-    {3100370400 10800 1 EEST}
+    {3100374000 10800 1 EEST}
     {3118424400 7200 0 EET}
-    {3131820000 10800 1 EEST}
+    {3131823600 10800 1 EEST}
     {3149874000 7200 0 EET}
-    {3163269600 10800 1 EEST}
+    {3163273200 10800 1 EEST}
     {3181323600 7200 0 EET}
-    {3194719200 10800 1 EEST}
+    {3194722800 10800 1 EEST}
     {3212773200 7200 0 EET}
-    {3226168800 10800 1 EEST}
+    {3226172400 10800 1 EEST}
     {3244222800 7200 0 EET}
-    {3258223200 10800 1 EEST}
+    {3257622000 10800 1 EEST}
     {3276277200 7200 0 EET}
-    {3289672800 10800 1 EEST}
+    {3289676400 10800 1 EEST}
     {3307726800 7200 0 EET}
-    {3321122400 10800 1 EEST}
+    {3321126000 10800 1 EEST}
     {3339176400 7200 0 EET}
-    {3352572000 10800 1 EEST}
+    {3352575600 10800 1 EEST}
     {3370626000 7200 0 EET}
-    {3384021600 10800 1 EEST}
+    {3384025200 10800 1 EEST}
     {3402075600 7200 0 EET}
-    {3415471200 10800 1 EEST}
+    {3415474800 10800 1 EEST}
     {3433525200 7200 0 EET}
-    {3447525600 10800 1 EEST}
+    {3446924400 10800 1 EEST}
     {3465579600 7200 0 EET}
-    {3478975200 10800 1 EEST}
+    {3478978800 10800 1 EEST}
     {3497029200 7200 0 EET}
-    {3510424800 10800 1 EEST}
+    {3510428400 10800 1 EEST}
     {3528478800 7200 0 EET}
-    {3541874400 10800 1 EEST}
+    {3541878000 10800 1 EEST}
     {3559928400 7200 0 EET}
-    {3573324000 10800 1 EEST}
+    {3573327600 10800 1 EEST}
     {3591378000 7200 0 EET}
-    {3605378400 10800 1 EEST}
+    {3604777200 10800 1 EEST}
     {3623432400 7200 0 EET}
-    {3636828000 10800 1 EEST}
+    {3636831600 10800 1 EEST}
     {3654882000 7200 0 EET}
-    {3668277600 10800 1 EEST}
+    {3668281200 10800 1 EEST}
     {3686331600 7200 0 EET}
-    {3699727200 10800 1 EEST}
+    {3699730800 10800 1 EEST}
     {3717781200 7200 0 EET}
-    {3731176800 10800 1 EEST}
+    {3731180400 10800 1 EEST}
     {3749230800 7200 0 EET}
-    {3762626400 10800 1 EEST}
+    {3762630000 10800 1 EEST}
     {3780680400 7200 0 EET}
-    {3794680800 10800 1 EEST}
+    {3794079600 10800 1 EEST}
     {3812734800 7200 0 EET}
-    {3826130400 10800 1 EEST}
+    {3826134000 10800 1 EEST}
     {3844184400 7200 0 EET}
-    {3857580000 10800 1 EEST}
+    {3857583600 10800 1 EEST}
     {3875634000 7200 0 EET}
-    {3889029600 10800 1 EEST}
+    {3889033200 10800 1 EEST}
     {3907083600 7200 0 EET}
-    {3920479200 10800 1 EEST}
+    {3920482800 10800 1 EEST}
     {3938533200 7200 0 EET}
-    {3951928800 10800 1 EEST}
+    {3951932400 10800 1 EEST}
     {3969982800 7200 0 EET}
-    {3983983200 10800 1 EEST}
+    {3983986800 10800 1 EEST}
     {4002037200 7200 0 EET}
-    {4015432800 10800 1 EEST}
+    {4015436400 10800 1 EEST}
     {4033486800 7200 0 EET}
-    {4046882400 10800 1 EEST}
+    {4046886000 10800 1 EEST}
     {4064936400 7200 0 EET}
-    {4078332000 10800 1 EEST}
+    {4078335600 10800 1 EEST}
     {4096386000 7200 0 EET}
 }
diff --git a/library/tzdata/Asia/Hebron b/library/tzdata/Asia/Hebron
index 9049d93..2db45f2 100644
--- a/library/tzdata/Asia/Hebron
+++ b/library/tzdata/Asia/Hebron
@@ -106,172 +106,172 @@ set TZData(:Asia/Hebron) {
     {1414098000 7200 0 EET}
     {1427493600 10800 1 EEST}
     {1445547600 7200 0 EET}
-    {1458943200 10800 1 EEST}
+    {1458946800 10800 1 EEST}
     {1476997200 7200 0 EET}
-    {1490997600 10800 1 EEST}
+    {1490396400 10800 1 EEST}
     {1509051600 7200 0 EET}
-    {1522447200 10800 1 EEST}
+    {1522450800 10800 1 EEST}
     {1540501200 7200 0 EET}
-    {1553896800 10800 1 EEST}
+    {1553900400 10800 1 EEST}
     {1571950800 7200 0 EET}
-    {1585346400 10800 1 EEST}
+    {1585350000 10800 1 EEST}
     {1603400400 7200 0 EET}
-    {1616796000 10800 1 EEST}
+    {1616799600 10800 1 EEST}
     {1634850000 7200 0 EET}
-    {1648245600 10800 1 EEST}
+    {1648249200 10800 1 EEST}
     {1666299600 7200 0 EET}
-    {1680300000 10800 1 EEST}
+    {1679698800 10800 1 EEST}
     {1698354000 7200 0 EET}
-    {1711749600 10800 1 EEST}
+    {1711753200 10800 1 EEST}
     {1729803600 7200 0 EET}
-    {1743199200 10800 1 EEST}
+    {1743202800 10800 1 EEST}
     {1761253200 7200 0 EET}
-    {1774648800 10800 1 EEST}
+    {1774652400 10800 1 EEST}
     {1792702800 7200 0 EET}
-    {1806098400 10800 1 EEST}
+    {1806102000 10800 1 EEST}
     {1824152400 7200 0 EET}
-    {1838152800 10800 1 EEST}
+    {1837551600 10800 1 EEST}
     {1856206800 7200 0 EET}
-    {1869602400 10800 1 EEST}
+    {1869606000 10800 1 EEST}
     {1887656400 7200 0 EET}
-    {1901052000 10800 1 EEST}
+    {1901055600 10800 1 EEST}
     {1919106000 7200 0 EET}
-    {1932501600 10800 1 EEST}
+    {1932505200 10800 1 EEST}
     {1950555600 7200 0 EET}
-    {1963951200 10800 1 EEST}
+    {1963954800 10800 1 EEST}
     {1982005200 7200 0 EET}
-    {1995400800 10800 1 EEST}
+    {1995404400 10800 1 EEST}
     {2013454800 7200 0 EET}
-    {2027455200 10800 1 EEST}
+    {2026854000 10800 1 EEST}
     {2045509200 7200 0 EET}
-    {2058904800 10800 1 EEST}
+    {2058908400 10800 1 EEST}
     {2076958800 7200 0 EET}
-    {2090354400 10800 1 EEST}
+    {2090358000 10800 1 EEST}
     {2108408400 7200 0 EET}
-    {2121804000 10800 1 EEST}
+    {2121807600 10800 1 EEST}
     {2139858000 7200 0 EET}
-    {2153253600 10800 1 EEST}
+    {2153257200 10800 1 EEST}
     {2171307600 7200 0 EET}
-    {2184703200 10800 1 EEST}
+    {2184706800 10800 1 EEST}
     {2202757200 7200 0 EET}
-    {2216757600 10800 1 EEST}
+    {2216761200 10800 1 EEST}
     {2234811600 7200 0 EET}
-    {2248207200 10800 1 EEST}
+    {2248210800 10800 1 EEST}
     {2266261200 7200 0 EET}
-    {2279656800 10800 1 EEST}
+    {2279660400 10800 1 EEST}
     {2297710800 7200 0 EET}
-    {2311106400 10800 1 EEST}
+    {2311110000 10800 1 EEST}
     {2329160400 7200 0 EET}
-    {2342556000 10800 1 EEST}
+    {2342559600 10800 1 EEST}
     {2360610000 7200 0 EET}
-    {2374610400 10800 1 EEST}
+    {2374009200 10800 1 EEST}
     {2392664400 7200 0 EET}
-    {2406060000 10800 1 EEST}
+    {2406063600 10800 1 EEST}
     {2424114000 7200 0 EET}
-    {2437509600 10800 1 EEST}
+    {2437513200 10800 1 EEST}
     {2455563600 7200 0 EET}
-    {2468959200 10800 1 EEST}
+    {2468962800 10800 1 EEST}
     {2487013200 7200 0 EET}
-    {2500408800 10800 1 EEST}
+    {2500412400 10800 1 EEST}
     {2518462800 7200 0 EET}
-    {2531858400 10800 1 EEST}
+    {2531862000 10800 1 EEST}
     {2549912400 7200 0 EET}
-    {2563912800 10800 1 EEST}
+    {2563311600 10800 1 EEST}
     {2581966800 7200 0 EET}
-    {2595362400 10800 1 EEST}
+    {2595366000 10800 1 EEST}
     {2613416400 7200 0 EET}
-    {2626812000 10800 1 EEST}
+    {2626815600 10800 1 EEST}
     {2644866000 7200 0 EET}
-    {2658261600 10800 1 EEST}
+    {2658265200 10800 1 EEST}
     {2676315600 7200 0 EET}
-    {2689711200 10800 1 EEST}
+    {2689714800 10800 1 EEST}
     {2707765200 7200 0 EET}
-    {2721765600 10800 1 EEST}
+    {2721164400 10800 1 EEST}
     {2739819600 7200 0 EET}
-    {2753215200 10800 1 EEST}
+    {2753218800 10800 1 EEST}
     {2771269200 7200 0 EET}
-    {2784664800 10800 1 EEST}
+    {2784668400 10800 1 EEST}
     {2802718800 7200 0 EET}
-    {2816114400 10800 1 EEST}
+    {2816118000 10800 1 EEST}
     {2834168400 7200 0 EET}
-    {2847564000 10800 1 EEST}
+    {2847567600 10800 1 EEST}
     {2865618000 7200 0 EET}
-    {2879013600 10800 1 EEST}
+    {2879017200 10800 1 EEST}
     {2897067600 7200 0 EET}
-    {2911068000 10800 1 EEST}
+    {2910466800 10800 1 EEST}
     {2929122000 7200 0 EET}
-    {2942517600 10800 1 EEST}
+    {2942521200 10800 1 EEST}
     {2960571600 7200 0 EET}
-    {2973967200 10800 1 EEST}
+    {2973970800 10800 1 EEST}
     {2992021200 7200 0 EET}
-    {3005416800 10800 1 EEST}
+    {3005420400 10800 1 EEST}
     {3023470800 7200 0 EET}
-    {3036866400 10800 1 EEST}
+    {3036870000 10800 1 EEST}
     {3054920400 7200 0 EET}
-    {3068316000 10800 1 EEST}
+    {3068319600 10800 1 EEST}
     {3086370000 7200 0 EET}
-    {3100370400 10800 1 EEST}
+    {3100374000 10800 1 EEST}
     {3118424400 7200 0 EET}
-    {3131820000 10800 1 EEST}
+    {3131823600 10800 1 EEST}
     {3149874000 7200 0 EET}
-    {3163269600 10800 1 EEST}
+    {3163273200 10800 1 EEST}
     {3181323600 7200 0 EET}
-    {3194719200 10800 1 EEST}
+    {3194722800 10800 1 EEST}
     {3212773200 7200 0 EET}
-    {3226168800 10800 1 EEST}
+    {3226172400 10800 1 EEST}
     {3244222800 7200 0 EET}
-    {3258223200 10800 1 EEST}
+    {3257622000 10800 1 EEST}
     {3276277200 7200 0 EET}
-    {3289672800 10800 1 EEST}
+    {3289676400 10800 1 EEST}
     {3307726800 7200 0 EET}
-    {3321122400 10800 1 EEST}
+    {3321126000 10800 1 EEST}
     {3339176400 7200 0 EET}
-    {3352572000 10800 1 EEST}
+    {3352575600 10800 1 EEST}
     {3370626000 7200 0 EET}
-    {3384021600 10800 1 EEST}
+    {3384025200 10800 1 EEST}
     {3402075600 7200 0 EET}
-    {3415471200 10800 1 EEST}
+    {3415474800 10800 1 EEST}
     {3433525200 7200 0 EET}
-    {3447525600 10800 1 EEST}
+    {3446924400 10800 1 EEST}
     {3465579600 7200 0 EET}
-    {3478975200 10800 1 EEST}
+    {3478978800 10800 1 EEST}
     {3497029200 7200 0 EET}
-    {3510424800 10800 1 EEST}
+    {3510428400 10800 1 EEST}
     {3528478800 7200 0 EET}
-    {3541874400 10800 1 EEST}
+    {3541878000 10800 1 EEST}
     {3559928400 7200 0 EET}
-    {3573324000 10800 1 EEST}
+    {3573327600 10800 1 EEST}
     {3591378000 7200 0 EET}
-    {3605378400 10800 1 EEST}
+    {3604777200 10800 1 EEST}
     {3623432400 7200 0 EET}
-    {3636828000 10800 1 EEST}
+    {3636831600 10800 1 EEST}
     {3654882000 7200 0 EET}
-    {3668277600 10800 1 EEST}
+    {3668281200 10800 1 EEST}
     {3686331600 7200 0 EET}
-    {3699727200 10800 1 EEST}
+    {3699730800 10800 1 EEST}
     {3717781200 7200 0 EET}
-    {3731176800 10800 1 EEST}
+    {3731180400 10800 1 EEST}
     {3749230800 7200 0 EET}
-    {3762626400 10800 1 EEST}
+    {3762630000 10800 1 EEST}
     {3780680400 7200 0 EET}
-    {3794680800 10800 1 EEST}
+    {3794079600 10800 1 EEST}
     {3812734800 7200 0 EET}
-    {3826130400 10800 1 EEST}
+    {3826134000 10800 1 EEST}
     {3844184400 7200 0 EET}
-    {3857580000 10800 1 EEST}
+    {3857583600 10800 1 EEST}
     {3875634000 7200 0 EET}
-    {3889029600 10800 1 EEST}
+    {3889033200 10800 1 EEST}
     {3907083600 7200 0 EET}
-    {3920479200 10800 1 EEST}
+    {3920482800 10800 1 EEST}
     {3938533200 7200 0 EET}
-    {3951928800 10800 1 EEST}
+    {3951932400 10800 1 EEST}
     {3969982800 7200 0 EET}
-    {3983983200 10800 1 EEST}
+    {3983986800 10800 1 EEST}
     {4002037200 7200 0 EET}
-    {4015432800 10800 1 EEST}
+    {4015436400 10800 1 EEST}
     {4033486800 7200 0 EET}
-    {4046882400 10800 1 EEST}
+    {4046886000 10800 1 EEST}
     {4064936400 7200 0 EET}
-    {4078332000 10800 1 EEST}
+    {4078335600 10800 1 EEST}
     {4096386000 7200 0 EET}
 }
diff --git a/library/tzdata/Asia/Irkutsk b/library/tzdata/Asia/Irkutsk
index 08e5798..ebe00c3 100644
--- a/library/tzdata/Asia/Irkutsk
+++ b/library/tzdata/Asia/Irkutsk
@@ -29,8 +29,8 @@ set TZData(:Asia/Irkutsk) {
     {670359600 28800 1 IRKST}
     {686084400 25200 0 IRKT}
     {695761200 28800 0 IRKMMTT}
-    {701794800 32400 1 IRKST}
-    {717516000 28800 0 IRKT}
+    {701805600 32400 1 IRKST}
+    {717530400 28800 0 IRKT}
     {733255200 32400 1 IRKST}
     {748980000 28800 0 IRKT}
     {764704800 32400 1 IRKST}
diff --git a/library/tzdata/Asia/Kamchatka b/library/tzdata/Asia/Kamchatka
index 82abcfa..2b77154 100644
--- a/library/tzdata/Asia/Kamchatka
+++ b/library/tzdata/Asia/Kamchatka
@@ -28,8 +28,8 @@ set TZData(:Asia/Kamchatka) {
     {670345200 43200 1 PETST}
     {686070000 39600 0 PETT}
     {695746800 43200 0 PETMMTT}
-    {701780400 46800 1 PETST}
-    {717501600 43200 0 PETT}
+    {701791200 46800 1 PETST}
+    {717516000 43200 0 PETT}
     {733240800 46800 1 PETST}
     {748965600 43200 0 PETT}
     {764690400 46800 1 PETST}
diff --git a/library/tzdata/Asia/Khandyga b/library/tzdata/Asia/Khandyga
index b2dc97a..b898e0d 100644
--- a/library/tzdata/Asia/Khandyga
+++ b/library/tzdata/Asia/Khandyga
@@ -28,8 +28,8 @@ set TZData(:Asia/Khandyga) {
     {670356000 32400 1 YAKST}
     {686080800 28800 0 YAKT}
     {695757600 32400 0 YAKMMTT}
-    {701791200 36000 1 YAKST}
-    {717512400 32400 0 YAKT}
+    {701802000 36000 1 YAKST}
+    {717526800 32400 0 YAKT}
     {733251600 36000 1 YAKST}
     {748976400 32400 0 YAKT}
     {764701200 36000 1 YAKST}
diff --git a/library/tzdata/Asia/Krasnoyarsk b/library/tzdata/Asia/Krasnoyarsk
index 17ea6c0..3c6285e 100644
--- a/library/tzdata/Asia/Krasnoyarsk
+++ b/library/tzdata/Asia/Krasnoyarsk
@@ -28,8 +28,8 @@ set TZData(:Asia/Krasnoyarsk) {
     {670363200 25200 1 KRAST}
     {686088000 21600 0 KRAT}
     {695764800 25200 0 KRAMMTT}
-    {701798400 28800 1 KRAST}
-    {717519600 25200 0 KRAT}
+    {701809200 28800 1 KRAST}
+    {717534000 25200 0 KRAT}
     {733258800 28800 1 KRAST}
     {748983600 25200 0 KRAT}
     {764708400 28800 1 KRAST}
diff --git a/library/tzdata/Asia/Magadan b/library/tzdata/Asia/Magadan
index bf796a7..afe78da 100644
--- a/library/tzdata/Asia/Magadan
+++ b/library/tzdata/Asia/Magadan
@@ -28,8 +28,8 @@ set TZData(:Asia/Magadan) {
     {670348800 39600 1 MAGST}
     {686073600 36000 0 MAGT}
     {695750400 39600 0 MAGMMTT}
-    {701784000 43200 1 MAGST}
-    {717505200 39600 0 MAGT}
+    {701794800 43200 1 MAGST}
+    {717519600 39600 0 MAGT}
     {733244400 43200 1 MAGST}
     {748969200 39600 0 MAGT}
     {764694000 43200 1 MAGST}
@@ -68,4 +68,5 @@ set TZData(:Asia/Magadan) {
     {1288450800 39600 0 MAGT}
     {1301151600 43200 0 MAGT}
     {1414245600 36000 0 MAGT}
+    {1461427200 39600 0 MAGT}
 }
diff --git a/library/tzdata/Asia/Novokuznetsk b/library/tzdata/Asia/Novokuznetsk
index ab3c2d5..f079faa 100644
--- a/library/tzdata/Asia/Novokuznetsk
+++ b/library/tzdata/Asia/Novokuznetsk
@@ -28,8 +28,8 @@ set TZData(:Asia/Novokuznetsk) {
     {670363200 25200 1 KRAST}
     {686088000 21600 0 KRAT}
     {695764800 25200 0 KRAMMTT}
-    {701798400 28800 1 KRAST}
-    {717519600 25200 0 KRAT}
+    {701809200 28800 1 KRAST}
+    {717534000 25200 0 KRAT}
     {733258800 28800 1 KRAST}
     {748983600 25200 0 KRAT}
     {764708400 28800 1 KRAST}
diff --git a/library/tzdata/Asia/Novosibirsk b/library/tzdata/Asia/Novosibirsk
index 7227780..54c83fa 100644
--- a/library/tzdata/Asia/Novosibirsk
+++ b/library/tzdata/Asia/Novosibirsk
@@ -28,8 +28,8 @@ set TZData(:Asia/Novosibirsk) {
     {670363200 25200 1 NOVST}
     {686088000 21600 0 NOVT}
     {695764800 25200 0 NOVMMTT}
-    {701798400 28800 1 NOVST}
-    {717519600 25200 0 NOVT}
+    {701809200 28800 1 NOVST}
+    {717534000 25200 0 NOVT}
     {733258800 28800 1 NOVST}
     {738090000 25200 0 NOVST}
     {748987200 21600 0 NOVT}
diff --git a/library/tzdata/Asia/Omsk b/library/tzdata/Asia/Omsk
index f25b8d4..a6fa180 100644
--- a/library/tzdata/Asia/Omsk
+++ b/library/tzdata/Asia/Omsk
@@ -28,8 +28,8 @@ set TZData(:Asia/Omsk) {
     {670366800 21600 1 OMSST}
     {686091600 18000 0 OMST}
     {695768400 21600 0 OMSMMTT}
-    {701802000 25200 1 OMSST}
-    {717523200 21600 0 OMST}
+    {701812800 25200 1 OMSST}
+    {717537600 21600 0 OMST}
     {733262400 25200 1 OMSST}
     {748987200 21600 0 OMST}
     {764712000 25200 1 OMSST}
diff --git a/library/tzdata/Asia/Oral b/library/tzdata/Asia/Oral
index 88b9a29..962111b 100644
--- a/library/tzdata/Asia/Oral
+++ b/library/tzdata/Asia/Oral
@@ -2,57 +2,57 @@
 
 set TZData(:Asia/Oral) {
     {-9223372036854775808 12324 0 LMT}
-    {-1441164324 14400 0 URAT}
-    {-1247544000 18000 0 URAT}
-    {354913200 21600 1 URAST}
-    {370720800 21600 0 URAT}
-    {386445600 18000 0 URAT}
-    {386449200 21600 1 URAST}
-    {402256800 18000 0 URAT}
-    {417985200 21600 1 URAST}
-    {433792800 18000 0 URAT}
-    {449607600 21600 1 URAST}
-    {465339600 18000 0 URAT}
-    {481064400 21600 1 URAST}
-    {496789200 18000 0 URAT}
-    {512514000 21600 1 URAST}
-    {528238800 18000 0 URAT}
-    {543963600 21600 1 URAST}
-    {559688400 18000 0 URAT}
-    {575413200 21600 1 URAST}
-    {591138000 18000 0 URAT}
-    {606862800 14400 0 URAT}
-    {606866400 18000 1 URAST}
-    {622591200 14400 0 URAT}
-    {638316000 18000 1 URAST}
-    {654645600 14400 0 URAT}
-    {662673600 14400 0 URAT}
-    {692827200 14400 0 ORAT}
-    {701809200 18000 1 ORAST}
-    {717530400 14400 0 ORAT}
-    {733269600 18000 1 ORAST}
-    {748994400 14400 0 ORAT}
-    {764719200 18000 1 ORAST}
-    {780444000 14400 0 ORAT}
-    {796168800 18000 1 ORAST}
-    {811893600 14400 0 ORAT}
-    {828223200 18000 1 ORAST}
-    {846367200 14400 0 ORAT}
-    {859672800 18000 1 ORAST}
-    {877816800 14400 0 ORAT}
-    {891122400 18000 1 ORAST}
-    {909266400 14400 0 ORAT}
-    {922572000 18000 1 ORAST}
-    {941320800 14400 0 ORAT}
-    {954021600 18000 1 ORAST}
-    {972770400 14400 0 ORAT}
-    {985471200 18000 1 ORAST}
-    {1004220000 14400 0 ORAT}
-    {1017525600 18000 1 ORAST}
-    {1035669600 14400 0 ORAT}
-    {1048975200 18000 1 ORAST}
-    {1067119200 14400 0 ORAT}
-    {1080424800 18000 1 ORAST}
-    {1099173600 14400 0 ORAT}
-    {1110830400 18000 0 ORAT}
+    {-1441164324 14400 0 +04}
+    {-1247544000 18000 0 +05}
+    {354913200 21600 1 +06}
+    {370720800 21600 0 +06}
+    {386445600 18000 0 +05}
+    {386449200 21600 1 +06}
+    {402256800 18000 0 +05}
+    {417985200 21600 1 +06}
+    {433792800 18000 0 +05}
+    {449607600 21600 1 +06}
+    {465339600 18000 0 +05}
+    {481064400 21600 1 +06}
+    {496789200 18000 0 +05}
+    {512514000 21600 1 +06}
+    {528238800 18000 0 +05}
+    {543963600 21600 1 +06}
+    {559688400 18000 0 +05}
+    {575413200 21600 1 +06}
+    {591138000 18000 0 +05}
+    {606862800 14400 0 +04}
+    {606866400 18000 1 +05}
+    {622591200 14400 0 +04}
+    {638316000 18000 1 +05}
+    {654645600 14400 0 +04}
+    {670370400 18000 1 +05}
+    {686095200 14400 0 +04}
+    {701816400 14400 0 +04}
+    {701820000 18000 1 +05}
+    {717544800 14400 0 +04}
+    {733269600 18000 1 +05}
+    {748994400 14400 0 +04}
+    {764719200 18000 1 +05}
+    {780444000 14400 0 +04}
+    {796168800 18000 1 +05}
+    {811893600 14400 0 +04}
+    {828223200 18000 1 +05}
+    {846367200 14400 0 +04}
+    {859672800 18000 1 +05}
+    {877816800 14400 0 +04}
+    {891122400 18000 1 +05}
+    {909266400 14400 0 +04}
+    {922572000 18000 1 +05}
+    {941320800 14400 0 +04}
+    {954021600 18000 1 +05}
+    {972770400 14400 0 +04}
+    {985471200 18000 1 +05}
+    {1004220000 14400 0 +04}
+    {1017525600 18000 1 +05}
+    {1035669600 14400 0 +04}
+    {1048975200 18000 1 +05}
+    {1067119200 14400 0 +04}
+    {1080424800 18000 1 +05}
+    {1099173600 18000 0 +05}
 }
diff --git a/library/tzdata/Asia/Qyzylorda b/library/tzdata/Asia/Qyzylorda
index 16da574..b2e9472 100644
--- a/library/tzdata/Asia/Qyzylorda
+++ b/library/tzdata/Asia/Qyzylorda
@@ -2,57 +2,56 @@
 
 set TZData(:Asia/Qyzylorda) {
     {-9223372036854775808 15712 0 LMT}
-    {-1441167712 14400 0 KIZT}
-    {-1247544000 18000 0 KIZT}
-    {354913200 21600 1 KIZST}
-    {370720800 21600 0 KIZT}
-    {386445600 18000 0 KIZT}
-    {386449200 21600 1 KIZST}
-    {402256800 18000 0 KIZT}
-    {417985200 21600 1 KIZST}
-    {433792800 18000 0 KIZT}
-    {449607600 21600 1 KIZST}
-    {465339600 18000 0 KIZT}
-    {481064400 21600 1 KIZST}
-    {496789200 18000 0 KIZT}
-    {512514000 21600 1 KIZST}
-    {528238800 18000 0 KIZT}
-    {543963600 21600 1 KIZST}
-    {559688400 18000 0 KIZT}
-    {575413200 21600 1 KIZST}
-    {591138000 18000 0 KIZT}
-    {606862800 21600 1 KIZST}
-    {622587600 18000 0 KIZT}
-    {638312400 21600 1 KIZST}
-    {654642000 18000 0 KIZT}
-    {662670000 18000 0 KIZT}
-    {692823600 18000 0 QYZT}
-    {695768400 21600 0 QYZT}
-    {701802000 25200 1 QYZST}
-    {717523200 21600 0 QYZT}
-    {733262400 25200 1 QYZST}
-    {748987200 21600 0 QYZT}
-    {764712000 25200 1 QYZST}
-    {780436800 21600 0 QYZT}
-    {796161600 25200 1 QYZST}
-    {811886400 21600 0 QYZT}
-    {828216000 25200 1 QYZST}
-    {846360000 21600 0 QYZT}
-    {859665600 25200 1 QYZST}
-    {877809600 21600 0 QYZT}
-    {891115200 25200 1 QYZST}
-    {909259200 21600 0 QYZT}
-    {922564800 25200 1 QYZST}
-    {941313600 21600 0 QYZT}
-    {954014400 25200 1 QYZST}
-    {972763200 21600 0 QYZT}
-    {985464000 25200 1 QYZST}
-    {1004212800 21600 0 QYZT}
-    {1017518400 25200 1 QYZST}
-    {1035662400 21600 0 QYZT}
-    {1048968000 25200 1 QYZST}
-    {1067112000 21600 0 QYZT}
-    {1080417600 25200 1 QYZST}
-    {1099166400 21600 0 QYZT}
-    {1110823200 21600 0 QYZT}
+    {-1441167712 14400 0 +04}
+    {-1247544000 18000 0 +05}
+    {354913200 21600 1 +06}
+    {370720800 21600 0 +06}
+    {386445600 18000 0 +05}
+    {386449200 21600 1 +06}
+    {402256800 18000 0 +05}
+    {417985200 21600 1 +06}
+    {433792800 18000 0 +05}
+    {449607600 21600 1 +06}
+    {465339600 18000 0 +05}
+    {481064400 21600 1 +06}
+    {496789200 18000 0 +05}
+    {512514000 21600 1 +06}
+    {528238800 18000 0 +05}
+    {543963600 21600 1 +06}
+    {559688400 18000 0 +05}
+    {575413200 21600 1 +06}
+    {591138000 18000 0 +05}
+    {606862800 21600 1 +06}
+    {622587600 18000 0 +05}
+    {638312400 21600 1 +06}
+    {654642000 18000 0 +05}
+    {670366800 14400 0 +04}
+    {670370400 18000 1 +05}
+    {701812800 18000 0 +05}
+    {701816400 21600 1 +06}
+    {717541200 18000 0 +05}
+    {733266000 21600 1 +06}
+    {748990800 18000 0 +05}
+    {764715600 21600 1 +06}
+    {780440400 18000 0 +05}
+    {796165200 21600 1 +06}
+    {811890000 18000 0 +05}
+    {828219600 21600 1 +06}
+    {846363600 18000 0 +05}
+    {859669200 21600 1 +06}
+    {877813200 18000 0 +05}
+    {891118800 21600 1 +06}
+    {909262800 18000 0 +05}
+    {922568400 21600 1 +06}
+    {941317200 18000 0 +05}
+    {954018000 21600 1 +06}
+    {972766800 18000 0 +05}
+    {985467600 21600 1 +06}
+    {1004216400 18000 0 +05}
+    {1017522000 21600 1 +06}
+    {1035666000 18000 0 +05}
+    {1048971600 21600 1 +06}
+    {1067115600 18000 0 +05}
+    {1080421200 21600 1 +06}
+    {1099170000 21600 0 +06}
 }
diff --git a/library/tzdata/Asia/Sakhalin b/library/tzdata/Asia/Sakhalin
index eed20ba..1de22f4 100644
--- a/library/tzdata/Asia/Sakhalin
+++ b/library/tzdata/Asia/Sakhalin
@@ -29,8 +29,8 @@ set TZData(:Asia/Sakhalin) {
     {670348800 39600 1 SAKST}
     {686073600 36000 0 SAKT}
     {695750400 39600 0 SAKMMTT}
-    {701784000 43200 1 SAKST}
-    {717505200 39600 0 SAKT}
+    {701794800 43200 1 SAKST}
+    {717519600 39600 0 SAKT}
     {733244400 43200 1 SAKST}
     {748969200 39600 0 SAKT}
     {764694000 43200 1 SAKST}
@@ -70,4 +70,5 @@ set TZData(:Asia/Sakhalin) {
     {1288454400 36000 0 SAKT}
     {1301155200 39600 0 SAKT}
     {1414249200 36000 0 SAKT}
+    {1459008000 39600 0 SAKT}
 }
diff --git a/library/tzdata/Asia/Srednekolymsk b/library/tzdata/Asia/Srednekolymsk
index d1dd879..a0586aa 100644
--- a/library/tzdata/Asia/Srednekolymsk
+++ b/library/tzdata/Asia/Srednekolymsk
@@ -28,8 +28,8 @@ set TZData(:Asia/Srednekolymsk) {
     {670348800 39600 1 MAGST}
     {686073600 36000 0 MAGT}
     {695750400 39600 0 MAGMMTT}
-    {701784000 43200 1 MAGST}
-    {717505200 39600 0 MAGT}
+    {701794800 43200 1 MAGST}
+    {717519600 39600 0 MAGT}
     {733244400 43200 1 MAGST}
     {748969200 39600 0 MAGT}
     {764694000 43200 1 MAGST}
diff --git a/library/tzdata/Asia/Tomsk b/library/tzdata/Asia/Tomsk
new file mode 100644
index 0000000..0694d01
--- /dev/null
+++ b/library/tzdata/Asia/Tomsk
@@ -0,0 +1,73 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Asia/Tomsk) {
+    {-9223372036854775808 20391 0 LMT}
+    {-1578807591 21600 0 +06}
+    {-1247551200 25200 0 +08}
+    {354906000 28800 1 +08}
+    {370713600 25200 0 +07}
+    {386442000 28800 1 +08}
+    {402249600 25200 0 +07}
+    {417978000 28800 1 +08}
+    {433785600 25200 0 +07}
+    {449600400 28800 1 +08}
+    {465332400 25200 0 +07}
+    {481057200 28800 1 +08}
+    {496782000 25200 0 +07}
+    {512506800 28800 1 +08}
+    {528231600 25200 0 +07}
+    {543956400 28800 1 +08}
+    {559681200 25200 0 +07}
+    {575406000 28800 1 +08}
+    {591130800 25200 0 +07}
+    {606855600 28800 1 +08}
+    {622580400 25200 0 +07}
+    {638305200 28800 1 +08}
+    {654634800 25200 0 +07}
+    {670359600 21600 0 +07}
+    {670363200 25200 1 +07}
+    {686088000 21600 0 +06}
+    {695764800 25200 0 +08}
+    {701809200 28800 1 +08}
+    {717534000 25200 0 +07}
+    {733258800 28800 1 +08}
+    {748983600 25200 0 +07}
+    {764708400 28800 1 +08}
+    {780433200 25200 0 +07}
+    {796158000 28800 1 +08}
+    {811882800 25200 0 +07}
+    {828212400 28800 1 +08}
+    {846356400 25200 0 +07}
+    {859662000 28800 1 +08}
+    {877806000 25200 0 +07}
+    {891111600 28800 1 +08}
+    {909255600 25200 0 +07}
+    {922561200 28800 1 +08}
+    {941310000 25200 0 +07}
+    {954010800 28800 1 +08}
+    {972759600 25200 0 +07}
+    {985460400 28800 1 +08}
+    {1004209200 25200 0 +07}
+    {1017514800 28800 1 +08}
+    {1020196800 25200 0 +07}
+    {1035662400 21600 0 +06}
+    {1048968000 25200 1 +07}
+    {1067112000 21600 0 +06}
+    {1080417600 25200 1 +07}
+    {1099166400 21600 0 +06}
+    {1111867200 25200 1 +07}
+    {1130616000 21600 0 +06}
+    {1143316800 25200 1 +07}
+    {1162065600 21600 0 +06}
+    {1174766400 25200 1 +07}
+    {1193515200 21600 0 +06}
+    {1206820800 25200 1 +07}
+    {1224964800 21600 0 +06}
+    {1238270400 25200 1 +07}
+    {1256414400 21600 0 +06}
+    {1269720000 25200 1 +07}
+    {1288468800 21600 0 +06}
+    {1301169600 25200 0 +07}
+    {1414263600 21600 0 +06}
+    {1464465600 25200 0 +07}
+}
diff --git a/library/tzdata/Asia/Ust-Nera b/library/tzdata/Asia/Ust-Nera
index 90fa7d5..3380b7b 100644
--- a/library/tzdata/Asia/Ust-Nera
+++ b/library/tzdata/Asia/Ust-Nera
@@ -27,8 +27,8 @@ set TZData(:Asia/Ust-Nera) {
     {670348800 39600 1 MAGST}
     {686073600 36000 0 MAGT}
     {695750400 39600 0 MAGMMTT}
-    {701784000 43200 1 MAGST}
-    {717505200 39600 0 MAGT}
+    {701794800 43200 1 MAGST}
+    {717519600 39600 0 MAGT}
     {733244400 43200 1 MAGST}
     {748969200 39600 0 MAGT}
     {764694000 43200 1 MAGST}
diff --git a/library/tzdata/Asia/Vladivostok b/library/tzdata/Asia/Vladivostok
index 119ff57..b279d1c 100644
--- a/library/tzdata/Asia/Vladivostok
+++ b/library/tzdata/Asia/Vladivostok
@@ -28,8 +28,8 @@ set TZData(:Asia/Vladivostok) {
     {670352400 36000 1 VLAST}
     {686077200 32400 0 VLAT}
     {695754000 36000 0 VLAMMTT}
-    {701787600 39600 1 VLAST}
-    {717508800 36000 0 VLAT}
+    {701798400 39600 1 VLAST}
+    {717523200 36000 0 VLAT}
     {733248000 39600 1 VLAST}
     {748972800 36000 0 VLAT}
     {764697600 39600 1 VLAST}
diff --git a/library/tzdata/Asia/Yakutsk b/library/tzdata/Asia/Yakutsk
index 17493a6..0074379 100644
--- a/library/tzdata/Asia/Yakutsk
+++ b/library/tzdata/Asia/Yakutsk
@@ -28,8 +28,8 @@ set TZData(:Asia/Yakutsk) {
     {670356000 32400 1 YAKST}
     {686080800 28800 0 YAKT}
     {695757600 32400 0 YAKMMTT}
-    {701791200 36000 1 YAKST}
-    {717512400 32400 0 YAKT}
+    {701802000 36000 1 YAKST}
+    {717526800 32400 0 YAKT}
     {733251600 36000 1 YAKST}
     {748976400 32400 0 YAKT}
     {764701200 36000 1 YAKST}
diff --git a/library/tzdata/Asia/Yekaterinburg b/library/tzdata/Asia/Yekaterinburg
index 2678958..fdd89b0 100644
--- a/library/tzdata/Asia/Yekaterinburg
+++ b/library/tzdata/Asia/Yekaterinburg
@@ -29,8 +29,8 @@ set TZData(:Asia/Yekaterinburg) {
     {670370400 18000 1 SVEST}
     {686095200 14400 0 SVET}
     {695772000 18000 0 YEKMMTT}
-    {701805600 21600 1 YEKST}
-    {717526800 18000 0 YEKT}
+    {701816400 21600 1 YEKST}
+    {717541200 18000 0 YEKT}
     {733266000 21600 1 YEKST}
     {748990800 18000 0 YEKT}
     {764715600 21600 1 YEKST}
diff --git a/library/tzdata/Asia/Yerevan b/library/tzdata/Asia/Yerevan
index 22008ef..c552403 100644
--- a/library/tzdata/Asia/Yerevan
+++ b/library/tzdata/Asia/Yerevan
@@ -27,8 +27,8 @@ set TZData(:Asia/Yerevan) {
     {670370400 14400 1 YERST}
     {685569600 14400 0 AMST}
     {686098800 10800 0 AMT}
-    {701812800 14400 1 AMST}
-    {717534000 10800 0 AMT}
+    {701823600 14400 1 AMST}
+    {717548400 10800 0 AMT}
     {733273200 14400 1 AMST}
     {748998000 10800 0 AMT}
     {764722800 14400 1 AMST}
@@ -66,5 +66,5 @@ set TZData(:Asia/Yerevan) {
     {1288476000 14400 0 AMT}
     {1301176800 18000 1 AMST}
     {1319925600 14400 0 AMT}
-    {1332626400 14400 0 AMT}
+    {1328731200 14400 0 AMT}
 }
diff --git a/library/tzdata/Europe/Astrakhan b/library/tzdata/Europe/Astrakhan
new file mode 100644
index 0000000..9881bb8
--- /dev/null
+++ b/library/tzdata/Europe/Astrakhan
@@ -0,0 +1,71 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Europe/Astrakhan) {
+    {-9223372036854775808 11532 0 LMT}
+    {-1441249932 10800 0 +03}
+    {-1247540400 14400 0 +05}
+    {354916800 18000 1 +05}
+    {370724400 14400 0 +04}
+    {386452800 18000 1 +05}
+    {402260400 14400 0 +04}
+    {417988800 18000 1 +05}
+    {433796400 14400 0 +04}
+    {449611200 18000 1 +05}
+    {465343200 14400 0 +04}
+    {481068000 18000 1 +05}
+    {496792800 14400 0 +04}
+    {512517600 18000 1 +05}
+    {528242400 14400 0 +04}
+    {543967200 18000 1 +05}
+    {559692000 14400 0 +04}
+    {575416800 18000 1 +05}
+    {591141600 14400 0 +04}
+    {606866400 10800 0 +04}
+    {606870000 14400 1 +04}
+    {622594800 10800 0 +03}
+    {638319600 14400 1 +04}
+    {654649200 10800 0 +03}
+    {670374000 14400 0 +04}
+    {701820000 10800 0 +04}
+    {701823600 14400 1 +04}
+    {717548400 10800 0 +03}
+    {733273200 14400 1 +04}
+    {748998000 10800 0 +03}
+    {764722800 14400 1 +04}
+    {780447600 10800 0 +03}
+    {796172400 14400 1 +04}
+    {811897200 10800 0 +03}
+    {828226800 14400 1 +04}
+    {846370800 10800 0 +03}
+    {859676400 14400 1 +04}
+    {877820400 10800 0 +03}
+    {891126000 14400 1 +04}
+    {909270000 10800 0 +03}
+    {922575600 14400 1 +04}
+    {941324400 10800 0 +03}
+    {954025200 14400 1 +04}
+    {972774000 10800 0 +03}
+    {985474800 14400 1 +04}
+    {1004223600 10800 0 +03}
+    {1017529200 14400 1 +04}
+    {1035673200 10800 0 +03}
+    {1048978800 14400 1 +04}
+    {1067122800 10800 0 +03}
+    {1080428400 14400 1 +04}
+    {1099177200 10800 0 +03}
+    {1111878000 14400 1 +04}
+    {1130626800 10800 0 +03}
+    {1143327600 14400 1 +04}
+    {1162076400 10800 0 +03}
+    {1174777200 14400 1 +04}
+    {1193526000 10800 0 +03}
+    {1206831600 14400 1 +04}
+    {1224975600 10800 0 +03}
+    {1238281200 14400 1 +04}
+    {1256425200 10800 0 +03}
+    {1269730800 14400 1 +04}
+    {1288479600 10800 0 +03}
+    {1301180400 14400 0 +04}
+    {1414274400 10800 0 +03}
+    {1459033200 14400 0 +04}
+}
diff --git a/library/tzdata/Europe/Chisinau b/library/tzdata/Europe/Chisinau
index 5c240e7..db4c6db 100644
--- a/library/tzdata/Europe/Chisinau
+++ b/library/tzdata/Europe/Chisinau
@@ -46,9 +46,9 @@ set TZData(:Europe/Chisinau) {
     {591145200 10800 0 MSK}
     {606870000 14400 1 MSD}
     {622594800 10800 0 MSK}
-    {631141200 10800 0 MSK}
-    {641941200 7200 0 EET}
-    {662680800 7200 0 EEMMTT}
+    {638319600 14400 1 MSD}
+    {641948400 10800 0 EEST}
+    {654652800 7200 0 EET}
     {670377600 10800 1 EEST}
     {686102400 7200 0 EET}
     {694216800 7200 0 EET}
diff --git a/library/tzdata/Europe/Kaliningrad b/library/tzdata/Europe/Kaliningrad
index d03f7d0..85add82 100644
--- a/library/tzdata/Europe/Kaliningrad
+++ b/library/tzdata/Europe/Kaliningrad
@@ -35,15 +35,15 @@ set TZData(:Europe/Kaliningrad) {
     {559695600 10800 0 MSK}
     {575420400 14400 1 MSD}
     {591145200 10800 0 MSK}
-    {606870000 14400 1 MSD}
-    {622594800 10800 0 MSK}
-    {638319600 14400 1 MSD}
-    {654649200 10800 0 MSK}
-    {670374000 7200 0 EEMMTT}
+    {606870000 7200 0 EEMMTT}
+    {606873600 10800 1 EEST}
+    {622598400 7200 0 EET}
+    {638323200 10800 1 EEST}
+    {654652800 7200 0 EET}
     {670377600 10800 1 EEST}
     {686102400 7200 0 EET}
-    {701816400 10800 1 EEST}
-    {717537600 7200 0 EET}
+    {701827200 10800 1 EEST}
+    {717552000 7200 0 EET}
     {733276800 10800 1 EEST}
     {749001600 7200 0 EET}
     {764726400 10800 1 EEST}
diff --git a/library/tzdata/Europe/Kirov b/library/tzdata/Europe/Kirov
new file mode 100644
index 0000000..82ffc9e
--- /dev/null
+++ b/library/tzdata/Europe/Kirov
@@ -0,0 +1,70 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Europe/Kirov) {
+    {-9223372036854775808 11928 0 LMT}
+    {-1593825528 10800 0 +03}
+    {-1247540400 14400 0 +05}
+    {354916800 18000 1 +05}
+    {370724400 14400 0 +04}
+    {386452800 18000 1 +05}
+    {402260400 14400 0 +04}
+    {417988800 18000 1 +05}
+    {433796400 14400 0 +04}
+    {449611200 18000 1 +05}
+    {465343200 14400 0 +04}
+    {481068000 18000 1 +05}
+    {496792800 14400 0 +04}
+    {512517600 18000 1 +05}
+    {528242400 14400 0 +04}
+    {543967200 18000 1 +05}
+    {559692000 14400 0 +04}
+    {575416800 18000 1 +05}
+    {591141600 14400 0 +04}
+    {606866400 10800 0 +04}
+    {606870000 14400 1 +04}
+    {622594800 10800 0 +03}
+    {638319600 14400 1 +04}
+    {654649200 10800 0 +03}
+    {670374000 14400 0 +04}
+    {701820000 10800 0 +04}
+    {701823600 14400 1 +04}
+    {717548400 10800 0 +03}
+    {733273200 14400 1 +04}
+    {748998000 10800 0 +03}
+    {764722800 14400 1 +04}
+    {780447600 10800 0 +03}
+    {796172400 14400 1 +04}
+    {811897200 10800 0 +03}
+    {828226800 14400 1 +04}
+    {846370800 10800 0 +03}
+    {859676400 14400 1 +04}
+    {877820400 10800 0 +03}
+    {891126000 14400 1 +04}
+    {909270000 10800 0 +03}
+    {922575600 14400 1 +04}
+    {941324400 10800 0 +03}
+    {954025200 14400 1 +04}
+    {972774000 10800 0 +03}
+    {985474800 14400 1 +04}
+    {1004223600 10800 0 +03}
+    {1017529200 14400 1 +04}
+    {1035673200 10800 0 +03}
+    {1048978800 14400 1 +04}
+    {1067122800 10800 0 +03}
+    {1080428400 14400 1 +04}
+    {1099177200 10800 0 +03}
+    {1111878000 14400 1 +04}
+    {1130626800 10800 0 +03}
+    {1143327600 14400 1 +04}
+    {1162076400 10800 0 +03}
+    {1174777200 14400 1 +04}
+    {1193526000 10800 0 +03}
+    {1206831600 14400 1 +04}
+    {1224975600 10800 0 +03}
+    {1238281200 14400 1 +04}
+    {1256425200 10800 0 +03}
+    {1269730800 14400 1 +04}
+    {1288479600 10800 0 +03}
+    {1301180400 14400 0 +04}
+    {1414274400 10800 0 +03}
+}
diff --git a/library/tzdata/Europe/Minsk b/library/tzdata/Europe/Minsk
index 0acb4aa..5e47063 100644
--- a/library/tzdata/Europe/Minsk
+++ b/library/tzdata/Europe/Minsk
@@ -33,7 +33,8 @@ set TZData(:Europe/Minsk) {
     {670374000 10800 1 EEST}
     {686102400 7200 0 EET}
     {701820000 10800 1 EEST}
-    {717544800 7200 0 EET}
+    {717544800 10800 0 EEST}
+    {717552000 7200 0 EET}
     {733276800 10800 1 EEST}
     {749001600 7200 0 EET}
     {764726400 10800 1 EEST}
diff --git a/library/tzdata/Europe/Moscow b/library/tzdata/Europe/Moscow
index 686b3d0..1e2f45b 100644
--- a/library/tzdata/Europe/Moscow
+++ b/library/tzdata/Europe/Moscow
@@ -40,8 +40,8 @@ set TZData(:Europe/Moscow) {
     {670377600 10800 1 EEST}
     {686102400 7200 0 EET}
     {695779200 10800 0 MSD}
-    {701812800 14400 1 MSD}
-    {717534000 10800 0 MSK}
+    {701823600 14400 1 MSD}
+    {717548400 10800 0 MSK}
     {733273200 14400 1 MSD}
     {748998000 10800 0 MSK}
     {764722800 14400 1 MSD}
diff --git a/library/tzdata/Europe/Samara b/library/tzdata/Europe/Samara
index ee9d989..08203c0 100644
--- a/library/tzdata/Europe/Samara
+++ b/library/tzdata/Europe/Samara
@@ -28,10 +28,10 @@ set TZData(:Europe/Samara) {
     {654649200 10800 0 MSK}
     {670374000 7200 0 EEMMTT}
     {670377600 10800 1 EEST}
-    {686102400 10800 0 KUYT}
+    {686102400 10800 0 SAMT}
     {687916800 14400 0 SAMT}
-    {701809200 18000 1 SAMST}
-    {717530400 14400 0 SAMT}
+    {701820000 18000 1 SAMST}
+    {717544800 14400 0 SAMT}
     {733269600 18000 1 SAMST}
     {748994400 14400 0 SAMT}
     {764719200 18000 1 SAMST}
diff --git a/library/tzdata/Europe/Ulyanovsk b/library/tzdata/Europe/Ulyanovsk
new file mode 100644
index 0000000..d5c33b5
--- /dev/null
+++ b/library/tzdata/Europe/Ulyanovsk
@@ -0,0 +1,73 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Europe/Ulyanovsk) {
+    {-9223372036854775808 11616 0 LMT}
+    {-1593825216 10800 0 +03}
+    {-1247540400 14400 0 +05}
+    {354916800 18000 1 +05}
+    {370724400 14400 0 +04}
+    {386452800 18000 1 +05}
+    {402260400 14400 0 +04}
+    {417988800 18000 1 +05}
+    {433796400 14400 0 +04}
+    {449611200 18000 1 +05}
+    {465343200 14400 0 +04}
+    {481068000 18000 1 +05}
+    {496792800 14400 0 +04}
+    {512517600 18000 1 +05}
+    {528242400 14400 0 +04}
+    {543967200 18000 1 +05}
+    {559692000 14400 0 +04}
+    {575416800 18000 1 +05}
+    {591141600 14400 0 +04}
+    {606866400 10800 0 +04}
+    {606870000 14400 1 +04}
+    {622594800 10800 0 +03}
+    {638319600 14400 1 +04}
+    {654649200 10800 0 +03}
+    {670374000 7200 0 +03}
+    {670377600 10800 1 +03}
+    {686102400 7200 0 +02}
+    {695779200 10800 0 +04}
+    {701823600 14400 1 +04}
+    {717548400 10800 0 +03}
+    {733273200 14400 1 +04}
+    {748998000 10800 0 +03}
+    {764722800 14400 1 +04}
+    {780447600 10800 0 +03}
+    {796172400 14400 1 +04}
+    {811897200 10800 0 +03}
+    {828226800 14400 1 +04}
+    {846370800 10800 0 +03}
+    {859676400 14400 1 +04}
+    {877820400 10800 0 +03}
+    {891126000 14400 1 +04}
+    {909270000 10800 0 +03}
+    {922575600 14400 1 +04}
+    {941324400 10800 0 +03}
+    {954025200 14400 1 +04}
+    {972774000 10800 0 +03}
+    {985474800 14400 1 +04}
+    {1004223600 10800 0 +03}
+    {1017529200 14400 1 +04}
+    {1035673200 10800 0 +03}
+    {1048978800 14400 1 +04}
+    {1067122800 10800 0 +03}
+    {1080428400 14400 1 +04}
+    {1099177200 10800 0 +03}
+    {1111878000 14400 1 +04}
+    {1130626800 10800 0 +03}
+    {1143327600 14400 1 +04}
+    {1162076400 10800 0 +03}
+    {1174777200 14400 1 +04}
+    {1193526000 10800 0 +03}
+    {1206831600 14400 1 +04}
+    {1224975600 10800 0 +03}
+    {1238281200 14400 1 +04}
+    {1256425200 10800 0 +03}
+    {1269730800 14400 1 +04}
+    {1288479600 10800 0 +03}
+    {1301180400 14400 0 +04}
+    {1414274400 10800 0 +03}
+    {1459033200 14400 0 +04}
+}
diff --git a/library/tzdata/Europe/Vilnius b/library/tzdata/Europe/Vilnius
index 62d5d87..5e73150 100644
--- a/library/tzdata/Europe/Vilnius
+++ b/library/tzdata/Europe/Vilnius
@@ -30,11 +30,12 @@ set TZData(:Europe/Vilnius) {
     {559695600 10800 0 MSK}
     {575420400 14400 1 MSD}
     {591145200 10800 0 MSK}
-    {606870000 14400 1 MSD}
-    {622594800 10800 0 MSK}
-    {638319600 14400 1 MSD}
-    {654649200 10800 0 MSK}
-    {670374000 10800 1 EEST}
+    {606870000 7200 0 EEMMTT}
+    {606873600 10800 1 EEST}
+    {622598400 7200 0 EET}
+    {638323200 10800 1 EEST}
+    {654652800 7200 0 EET}
+    {670377600 10800 1 EEST}
     {686102400 7200 0 EET}
     {701827200 10800 1 EEST}
     {717552000 7200 0 EET}
diff --git a/library/tzdata/Europe/Volgograd b/library/tzdata/Europe/Volgograd
index d71fb0b..83996b0 100644
--- a/library/tzdata/Europe/Volgograd
+++ b/library/tzdata/Europe/Volgograd
@@ -20,16 +20,17 @@ set TZData(:Europe/Volgograd) {
     {528242400 14400 0 VOLT}
     {543967200 18000 1 VOLST}
     {559692000 14400 0 VOLT}
-    {575416800 18000 1 VOLST}
-    {591141600 14400 0 VOLT}
-    {606866400 10800 0 VOLMMTT}
+    {575416800 10800 0 VOLMMTT}
+    {575420400 14400 1 VOLST}
+    {591145200 10800 0 VOLT}
     {606870000 14400 1 VOLST}
     {622594800 10800 0 VOLT}
     {638319600 14400 1 VOLST}
     {654649200 10800 0 VOLT}
     {670374000 14400 0 VOLT}
-    {701820000 14400 0 MSD}
-    {717534000 10800 0 MSK}
+    {701820000 10800 0 MSD}
+    {701823600 14400 1 MSD}
+    {717548400 10800 0 MSK}
     {733273200 14400 1 MSD}
     {748998000 10800 0 MSK}
     {764722800 14400 1 MSD}
diff --git a/library/tzdata/Pacific/Easter b/library/tzdata/Pacific/Easter
index 4b45ba2..ef0f2d5 100644
--- a/library/tzdata/Pacific/Easter
+++ b/library/tzdata/Pacific/Easter
@@ -97,5 +97,172 @@ set TZData(:Pacific/Easter) {
     {1378612800 -18000 1 EASST}
     {1398567600 -21600 0 EAST}
     {1410062400 -18000 1 EASST}
-    {1430017200 -18000 0 EAST}
+    {1463281200 -21600 0 EAST}
+    {1471147200 -18000 1 EASST}
+    {1494730800 -21600 0 EAST}
+    {1502596800 -18000 1 EASST}
+    {1526180400 -21600 0 EAST}
+    {1534046400 -18000 1 EASST}
+    {1557630000 -21600 0 EAST}
+    {1565496000 -18000 1 EASST}
+    {1589079600 -21600 0 EAST}
+    {1596945600 -18000 1 EASST}
+    {1620529200 -21600 0 EAST}
+    {1629000000 -18000 1 EASST}
+    {1652583600 -21600 0 EAST}
+    {1660449600 -18000 1 EASST}
+    {1684033200 -21600 0 EAST}
+    {1691899200 -18000 1 EASST}
+    {1715482800 -21600 0 EAST}
+    {1723348800 -18000 1 EASST}
+    {1746932400 -21600 0 EAST}
+    {1754798400 -18000 1 EASST}
+    {1778382000 -21600 0 EAST}
+    {1786248000 -18000 1 EASST}
+    {1809831600 -21600 0 EAST}
+    {1818302400 -18000 1 EASST}
+    {1841886000 -21600 0 EAST}
+    {1849752000 -18000 1 EASST}
+    {1873335600 -21600 0 EAST}
+    {1881201600 -18000 1 EASST}
+    {1904785200 -21600 0 EAST}
+    {1912651200 -18000 1 EASST}
+    {1936234800 -21600 0 EAST}
+    {1944100800 -18000 1 EASST}
+    {1967684400 -21600 0 EAST}
+    {1976155200 -18000 1 EASST}
+    {1999738800 -21600 0 EAST}
+    {2007604800 -18000 1 EASST}
+    {2031188400 -21600 0 EAST}
+    {2039054400 -18000 1 EASST}
+    {2062638000 -21600 0 EAST}
+    {2070504000 -18000 1 EASST}
+    {2094087600 -21600 0 EAST}
+    {2101953600 -18000 1 EASST}
+    {2125537200 -21600 0 EAST}
+    {2133403200 -18000 1 EASST}
+    {2156986800 -21600 0 EAST}
+    {2165457600 -18000 1 EASST}
+    {2189041200 -21600 0 EAST}
+    {2196907200 -18000 1 EASST}
+    {2220490800 -21600 0 EAST}
+    {2228356800 -18000 1 EASST}
+    {2251940400 -21600 0 EAST}
+    {2259806400 -18000 1 EASST}
+    {2283390000 -21600 0 EAST}
+    {2291256000 -18000 1 EASST}
+    {2314839600 -21600 0 EAST}
+    {2322705600 -18000 1 EASST}
+    {2346894000 -21600 0 EAST}
+    {2354760000 -18000 1 EASST}
+    {2378343600 -21600 0 EAST}
+    {2386209600 -18000 1 EASST}
+    {2409793200 -21600 0 EAST}
+    {2417659200 -18000 1 EASST}
+    {2441242800 -21600 0 EAST}
+    {2449108800 -18000 1 EASST}
+    {2472692400 -21600 0 EAST}
+    {2480558400 -18000 1 EASST}
+    {2504142000 -21600 0 EAST}
+    {2512612800 -18000 1 EASST}
+    {2536196400 -21600 0 EAST}
+    {2544062400 -18000 1 EASST}
+    {2567646000 -21600 0 EAST}
+    {2575512000 -18000 1 EASST}
+    {2599095600 -21600 0 EAST}
+    {2606961600 -18000 1 EASST}
+    {2630545200 -21600 0 EAST}
+    {2638411200 -18000 1 EASST}
+    {2661994800 -21600 0 EAST}
+    {2669860800 -18000 1 EASST}
+    {2693444400 -21600 0 EAST}
+    {2701915200 -18000 1 EASST}
+    {2725498800 -21600 0 EAST}
+    {2733364800 -18000 1 EASST}
+    {2756948400 -21600 0 EAST}
+    {2764814400 -18000 1 EASST}
+    {2788398000 -21600 0 EAST}
+    {2796264000 -18000 1 EASST}
+    {2819847600 -21600 0 EAST}
+    {2827713600 -18000 1 EASST}
+    {2851297200 -21600 0 EAST}
+    {2859768000 -18000 1 EASST}
+    {2883351600 -21600 0 EAST}
+    {2891217600 -18000 1 EASST}
+    {2914801200 -21600 0 EAST}
+    {2922667200 -18000 1 EASST}
+    {2946250800 -21600 0 EAST}
+    {2954116800 -18000 1 EASST}
+    {2977700400 -21600 0 EAST}
+    {2985566400 -18000 1 EASST}
+    {3009150000 -21600 0 EAST}
+    {3017016000 -18000 1 EASST}
+    {3040599600 -21600 0 EAST}
+    {3049070400 -18000 1 EASST}
+    {3072654000 -21600 0 EAST}
+    {3080520000 -18000 1 EASST}
+    {3104103600 -21600 0 EAST}
+    {3111969600 -18000 1 EASST}
+    {3135553200 -21600 0 EAST}
+    {3143419200 -18000 1 EASST}
+    {3167002800 -21600 0 EAST}
+    {3174868800 -18000 1 EASST}
+    {3198452400 -21600 0 EAST}
+    {3206318400 -18000 1 EASST}
+    {3230506800 -21600 0 EAST}
+    {3238372800 -18000 1 EASST}
+    {3261956400 -21600 0 EAST}
+    {3269822400 -18000 1 EASST}
+    {3293406000 -21600 0 EAST}
+    {3301272000 -18000 1 EASST}
+    {3324855600 -21600 0 EAST}
+    {3332721600 -18000 1 EASST}
+    {3356305200 -21600 0 EAST}
+    {3364171200 -18000 1 EASST}
+    {3387754800 -21600 0 EAST}
+    {3396225600 -18000 1 EASST}
+    {3419809200 -21600 0 EAST}
+    {3427675200 -18000 1 EASST}
+    {3451258800 -21600 0 EAST}
+    {3459124800 -18000 1 EASST}
+    {3482708400 -21600 0 EAST}
+    {3490574400 -18000 1 EASST}
+    {3514158000 -21600 0 EAST}
+    {3522024000 -18000 1 EASST}
+    {3545607600 -21600 0 EAST}
+    {3553473600 -18000 1 EASST}
+    {3577057200 -21600 0 EAST}
+    {3585528000 -18000 1 EASST}
+    {3609111600 -21600 0 EAST}
+    {3616977600 -18000 1 EASST}
+    {3640561200 -21600 0 EAST}
+    {3648427200 -18000 1 EASST}
+    {3672010800 -21600 0 EAST}
+    {3679876800 -18000 1 EASST}
+    {3703460400 -21600 0 EAST}
+    {3711326400 -18000 1 EASST}
+    {3734910000 -21600 0 EAST}
+    {3743380800 -18000 1 EASST}
+    {3766964400 -21600 0 EAST}
+    {3774830400 -18000 1 EASST}
+    {3798414000 -21600 0 EAST}
+    {3806280000 -18000 1 EASST}
+    {3829863600 -21600 0 EAST}
+    {3837729600 -18000 1 EASST}
+    {3861313200 -21600 0 EAST}
+    {3869179200 -18000 1 EASST}
+    {3892762800 -21600 0 EAST}
+    {3900628800 -18000 1 EASST}
+    {3924212400 -21600 0 EAST}
+    {3932683200 -18000 1 EASST}
+    {3956266800 -21600 0 EAST}
+    {3964132800 -18000 1 EASST}
+    {3987716400 -21600 0 EAST}
+    {3995582400 -18000 1 EASST}
+    {4019166000 -21600 0 EAST}
+    {4027032000 -18000 1 EASST}
+    {4050615600 -21600 0 EAST}
+    {4058481600 -18000 1 EASST}
+    {4082065200 -21600 0 EAST}
+    {4089931200 -18000 1 EASST}
 }
diff --git a/library/word.tcl b/library/word.tcl
index b8f34a5..0246530 100644
--- a/library/word.tcl
+++ b/library/word.tcl
@@ -11,15 +11,13 @@
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 
 # The following variables are used to determine which characters are
-# interpreted as white space.
-
-if {$::tcl_platform(platform) eq "windows"} {
-    # Windows style - any but a unicode space char
-    set ::tcl_wordchars {\S}
-    set ::tcl_nonwordchars {\s}
-} else {
-    # Motif style - any unicode word char (number, letter, or underscore)
+# interpreted as word characters. See bug [f1253530cdd8]. Will
+# probably be removed in Tcl 9.
+
+if {![info exists ::tcl_wordchars]} {
     set ::tcl_wordchars {\w}
+}
+if {![info exists ::tcl_nonwordchars]} {
     set ::tcl_nonwordchars {\W}
 }
 
diff --git a/tests/README b/tests/README
index ce2382e..e86100f 100644
--- a/tests/README
+++ b/tests/README
@@ -59,7 +59,7 @@ should correspond to the Tcl or C code file that they are testing.
 For example, the test file for the C file "tclCmdAH.c" is
 "cmdAH.test".  Test files that contain black-box tests may not
 correspond to any Tcl or C code file so they should match the pattern
-"*_bb.test". 
+"*_bb.test".
 
 Be sure your new test file can be run from any working directory.
 
@@ -72,12 +72,12 @@ as well as an installation environment.  If your test file contains
 tests that should not be run in one or more of those cases, please use
 the constraints mechanism to skip those tests.
 
-4. Incompatibilities of package tcltest 2.1 with 
+4. Incompatibilities of package tcltest 2.1 with
    testing machinery of very old versions of Tcl:
 ------------------------------------------------
 
 1) Global variables such as VERBOSE, TESTS, and testConfig of the
-   old machinery correspond to the [configure -verbose], 
+   old machinery correspond to the [configure -verbose],
    [configure -match], and [testConstraint] commands of tcltest 2.1,
    respectively.
 
diff --git a/tests/apply.test b/tests/apply.test
index ba19b81..597cd97 100644
--- a/tests/apply.test
+++ b/tests/apply.test
@@ -228,7 +228,7 @@ test apply-8.3 {args treatment} {
     apply [list {x args} $applyBody] 1 2 3
 } {{x 1} {args {2 3}}}
 test apply-8.4 {default values} {
-    apply [list {{x 1} {y 2}} $applyBody] 
+    apply [list {{x 1} {y 2}} $applyBody]
 } {{x 1} {y 2}}
 test apply-8.5 {default values} {
     apply [list {{x 1} {y 2}} $applyBody] 3 4
diff --git a/tests/assemble.test b/tests/assemble.test
index b0487e6..d17bfd9 100644
--- a/tests/assemble.test
+++ b/tests/assemble.test
@@ -301,12 +301,12 @@ test assemble-7.1 {add, wrong # args} {
     -result {wrong # args*}
 }
 test assemble-7.2 {add} {
-    -body { 
+    -body {
 	assemble {
 	    push 2
 	    push 2
 	    add
-	} 
+	}
     }
     -result {4}
 }
@@ -349,7 +349,7 @@ test assemble-7.5 {bitwise ops} {
 }
 test assemble-7.6 {div} {
     -body {
-	assemble {push 999999; push 7; div} 
+	assemble {push 999999; push 7; div}
     }
     -result 142857
 }
@@ -360,7 +360,7 @@ test assemble-7.7 {dup} {
 	}
     }
     -result 9
-}	
+}
 test assemble-7.8 {eq} {
     -body {
 	list \
@@ -638,7 +638,7 @@ test assemble-7.24 {lsetList} {
 test assemble-7.25 {lshift} {
     -body {
 	assemble {push 16; push 4; lshift}
-    } 
+    }
     -result 256
 }
 test assemble-7.26 {mod} {
@@ -678,7 +678,7 @@ test assemble-7.30 {pop} {
 test assemble-7.31 {rshift} {
     -body {
 	assemble {push 257; push 4; rshift}
-    } 
+    }
     -result 16
 }
 test assemble-7.32 {storeArrayStk} {
@@ -1201,7 +1201,7 @@ test assemble-10.7 {expr - noncompilable} {
 
 # assemble-11 - ASSEM_LVT4 (exist, existArray, dictAppend, dictLappend,
 #			    nsupvar, variable, upvar)
-		
+
 test assemble-11.1 {exist - wrong # args} {
     -body {
 	assemble {exist}
@@ -1310,7 +1310,7 @@ test assemble-11.10 {variable} {
 }
 
 # assemble-12 - ASSEM_LVT1 (incr and incrArray)
-		
+
 test assemble-12.1 {incr - wrong # args} {
     -body {
 	assemble {incr}
@@ -1743,16 +1743,16 @@ test assemble-17.9 {jump - resolve a label multiple times} {
 	    set result {}
 	    assemble {
 		jump common
-		
+
 		label zero
-		pop		
+		pop
 		incrImm case 1
 		pop
 		push a
 		append result
 		pop
 		jump common
-		
+
 		label one
 		pop
 		incrImm case 1
@@ -1761,7 +1761,7 @@ test assemble-17.9 {jump - resolve a label multiple times} {
 		append result
 		pop
 		jump common
-		
+
 		label common
 		load case
 		dup
@@ -1780,7 +1780,7 @@ test assemble-17.9 {jump - resolve a label multiple times} {
 		push 3
 		eq
 		jumpTrue three
-		
+
 		label two
 		pop
 		incrImm case 1
@@ -1789,7 +1789,7 @@ test assemble-17.9 {jump - resolve a label multiple times} {
 		append result
 		pop
 		jump common
-		
+
 		label three
 		pop
 		incrImm case 1
@@ -1887,7 +1887,7 @@ test assemble-17.15 {multiple passes of code resizing} {
 	append body {label b15; push b; concat 2; nop; nop; jump c} \n
 	append body {label d}
 	proc x {} [list assemble $body]
-    }	
+    }
     -body {
 	x
     }
@@ -2080,7 +2080,7 @@ test assemble-20.5 {lsetFlat - negative operand count} {
 test assemble-20.6 {lsetFlat} {
     -body {
 	assemble {push b; push a; lsetFlat 2}
-    } 
+    }
     -result b
 }
 test assemble-20.7 {lsetFlat} {
@@ -3066,12 +3066,12 @@ test assemble-40.1 {unbalanced stack} {
 	    [catch {
 		assemble {
 		    push 3
-		    dup 
-		    mult 
+		    dup
+		    mult
 		    push 4
-		    dup 
-		    mult 
-		    pop 
+		    dup
+		    mult
+		    pop
 		    expon
 		}
 	    } result] $result $::errorInfo
@@ -3170,7 +3170,7 @@ test assemble-50.1 {Ulam's 3n+1 problem, TAL implementation} {
 		load n;		# max
 		dup;		# max n
 		jump start;     # max n
-	    
+
 		label loop;	# max n
 		over 1;         # max n max
 		over 1;		# max in max n
@@ -3180,29 +3180,29 @@ test assemble-50.1 {Ulam's 3n+1 problem, TAL implementation} {
 		reverse 2;      # n max
 		pop;            # n
 		dup;            # n n
-	    
+
 		label skip;	# max n
 		dup;            # max n n
 		push 2;         # max n n 2
 		mod;            # max n n%2
 		jumpTrue odd;   # max n
-	    
+
 		push 2;         # max n 2
 		div;            # max n/2 -> max n
 		jump start;     # max n
-	     
+
 		label odd;	# max n
 		push 3;         # max n 3
 		mult;           # max 3*n
 		push 1;         # max 3*n 1
 		add;            # max 3*n+1
-	    
+
 		label start;	# max n
 		dup;		# max n n
 		push 1;		# max n n 1
 		neq;		# max n n>1
 		jumpTrue loop;	# max n
-	    
+
 		pop;		# max
 	    }
 	}
@@ -3232,7 +3232,7 @@ test assemble-51.3 {memory leak testing} memory {
 		load n;		# max
 		dup;		# max n
 		jump start;     # max n
-	    
+
 		label loop;	# max n
 		over 1;         # max n max
 		over 1;		# max in max n
@@ -3242,29 +3242,29 @@ test assemble-51.3 {memory leak testing} memory {
 		reverse 2;      # n max
 		pop;            # n
 		dup;            # n n
-	    
+
 		label skip;	# max n
 		dup;            # max n n
 		push 2;         # max n n 2
 		mod;            # max n n%2
 		jumpTrue odd;   # max n
-	    
+
 		push 2;         # max n 2
 		div;            # max n/2 -> max n
 		jump start;     # max n
-	     
+
 		label odd;	# max n
 		push 3;         # max n 3
 		mult;           # max 3*n
 		push 1;         # max 3*n 1
 		add;            # max 3*n+1
-	    
+
 		label start;	# max n
 		dup;		# max n n
 		push 1;		# max n n 1
 		neq;		# max n n>1
 		jumpTrue loop;	# max n
-	    
+
 		pop;		# max
 	    }
 	}} 1
@@ -3279,6 +3279,92 @@ test assemble-51.4 {memory leak testing} memory {
 	}
     }
 } 0
+
+test assemble-52.1 {Bug 3154ea2759} {
+    apply {{} {
+	# Needs six exception ranges to force the range allocations to use the
+	# malloced store.
+	::tcl::unsupported::assemble {
+	    beginCatch @badLabel
+	    push error
+	    push testing
+	    invokeStk 2
+	    pop
+	    push 0
+	    jump @okLabel
+	    label @badLabel
+	    push 1;		# should be pushReturnCode
+	    label @okLabel
+	    endCatch
+	    pop
+
+	    beginCatch @badLabel2
+	    push error
+	    push testing
+	    invokeStk 2
+	    pop
+	    push 0
+	    jump @okLabel2
+	    label @badLabel2
+	    push 1;		# should be pushReturnCode
+	    label @okLabel2
+	    endCatch
+	    pop
+
+	    beginCatch @badLabel3
+	    push error
+	    push testing
+	    invokeStk 2
+	    pop
+	    push 0
+	    jump @okLabel3
+	    label @badLabel3
+	    push 1;		# should be pushReturnCode
+	    label @okLabel3
+	    endCatch
+	    pop
+
+	    beginCatch @badLabel4
+	    push error
+	    push testing
+	    invokeStk 2
+	    pop
+	    push 0
+	    jump @okLabel4
+	    label @badLabel4
+	    push 1;		# should be pushReturnCode
+	    label @okLabel4
+	    endCatch
+	    pop
+
+	    beginCatch @badLabel5
+	    push error
+	    push testing
+	    invokeStk 2
+	    pop
+	    push 0
+	    jump @okLabel5
+	    label @badLabel5
+	    push 1;		# should be pushReturnCode
+	    label @okLabel5
+	    endCatch
+	    pop
+
+	    beginCatch @badLabel6
+	    push error
+	    push testing
+	    invokeStk 2
+	    pop
+	    push 0
+	    jump @okLabel6
+	    label @badLabel6
+	    push 1;		# should be pushReturnCode
+	    label @okLabel6
+	    endCatch
+	    pop
+	}
+    }}
+} {};				# must not crash
 
 rename fillTables {}
 rename assemble {}
diff --git a/tests/assemble1.bench b/tests/assemble1.bench
index 18fd3a9..e294108 100644
--- a/tests/assemble1.bench
+++ b/tests/assemble1.bench
@@ -20,7 +20,7 @@ proc ulam2 {n} {
 	load n;		# max
 	dup;		# max n
 	jump start;     # max n
-	
+
 	label loop;	# max n
 	over 1;         # max n max
 	over 1;		# max in max n
@@ -30,29 +30,29 @@ proc ulam2 {n} {
 	reverse 2;      # n max
 	pop;            # n
 	dup;            # n n
-	
+
 	label skip;	# max n
 	dup;            # max n n
 	push 2;         # max n n 2
 	mod;            # max n n%2
 	jumpTrue odd;   # max n
-	
+
 	push 2;         # max n 2
 	div;            # max n/2 -> max n
 	jump start;     # max n
-	
+
 	label odd;	# max n
 	push 3;         # max n 3
 	mult;           # max 3*n
 	push 1;         # max 3*n 1
 	add;            # max 3*n+1
-	
+
 	label start;	# max n
 	dup;		# max n n
 	push 1;		# max n n 1
 	neq;		# max n n>1
 	jumpTrue loop;	# max n
-	
+
 	pop;		# max
     }
 }
@@ -60,12 +60,12 @@ set tcl_traceCompile 2; ulam2 1; set tcl_traceCompile 0
 
 proc test1 {n} {
     for {set i 1} {$i <= $n} {incr i} {
-	ulam1 $i  
+	ulam1 $i
     }
 }
 proc test2 {n} {
     for {set i 1} {$i <= $n} {incr i} {
-	ulam2 $i  
+	ulam2 $i
     }
 }
 
@@ -75,11 +75,10 @@ for {set j 0} {$j < 10} {incr j} {
     test1 30000
     set after [clock microseconds]
     puts "compiled: [expr {1e-6 * ($after - $before)}]"
-    
+
     test2 1
     set before [clock microseconds]
     test2 30000
     set after [clock microseconds]
     puts "assembled: [expr {1e-6 * ($after - $before)}]"
 }
-    
\ No newline at end of file
diff --git a/tests/autoMkindex.test b/tests/autoMkindex.test
index 4721553..b42d50d 100644
--- a/tests/autoMkindex.test
+++ b/tests/autoMkindex.test
@@ -180,7 +180,7 @@ test autoMkindex-3.1 {slaveHook} -setup {
 } -cleanup {
     # Reset initCommands to avoid trashing other tests
     AutoMkindexTestReset
-} -result 1 
+} -result 1
 # The auto_mkindex_parser::command is used to register commands that create
 # new commands.
 test autoMkindex-3.2 {auto_mkindex_parser::command} -setup {
diff --git a/tests/basic.test b/tests/basic.test
index 1a0037c..bff9a95 100644
--- a/tests/basic.test
+++ b/tests/basic.test
@@ -241,7 +241,7 @@ test basic-18.1 {TclRenameCommand, name of existing cmd can have namespace quali
     }
     list [test_ns_basic::p] \
          [rename test_ns_basic::p test_ns_basic::q] \
-         [test_ns_basic::q] 
+         [test_ns_basic::q]
 } {{p in ::test_ns_basic} {} {p in ::test_ns_basic}}
 test basic-18.2 {TclRenameCommand, existing cmd must be found} {
     catch {namespace delete {*}[namespace children :: test_ns_*]}
@@ -454,11 +454,11 @@ test basic-26.2 {Tcl_EvalObjEx, pure-list branch: preserve "objv"} -body {
     #   a - the pure-list internal rep is destroyed by shimmering
     #   b - the command returns an error
     # As the error code in Tcl_EvalObjv accesses the list elements, this will
-    # cause a segfault if [Bug 1119369] has not been fixed. 
+    # cause a segfault if [Bug 1119369] has not been fixed.
     # NOTE: a MEM_DEBUG build may be necessary to guarantee the segfault.
     #
 
-    set SRC [list foo 1] ;# pure-list command 
+    set SRC [list foo 1] ;# pure-list command
     proc foo str {
 	# Shimmer pure-list to cmdName, cleanup and error
 	proc $::SRC {} {}; $::SRC
@@ -476,11 +476,11 @@ test basic-26.3 {Tcl_EvalObjEx, pure-list branch: preserve "objv"} -body {
     # Follow the pure-list branch in a manner that
     #   a - the pure-list internal rep is destroyed by shimmering
     #   b - the command accesses its command line
-    # This will cause a segfault if [Bug 1119369] has not been fixed. 
+    # This will cause a segfault if [Bug 1119369] has not been fixed.
     # NOTE: a MEM_DEBUG build may be necessary to guarantee the segfault.
     #
 
-    set SRC [list foo 1] ;# pure-list command 
+    set SRC [list foo 1] ;# pure-list command
     proc foo str {
 	# Shimmer pure-list to cmdName, cleanup and error
 	proc $::SRC {} {}; $::SRC
@@ -592,7 +592,7 @@ test basic-46.2 {Tcl_AllowExceptions: exception return not allowed} -setup {
 invoked "break" outside of a loop
     while executing
 "break"
-    (file "*BREAKtest" line 3)}    
+    (file "*BREAKtest" line 3)}
 
 test basic-46.3 {Tcl_AllowExceptions: exception return not allowed} -setup {
     set fName [makeFile {
@@ -609,7 +609,7 @@ test basic-46.3 {Tcl_AllowExceptions: exception return not allowed} -setup {
 } -returnCodes error -match glob -result {invoked "break" outside of a loop
     while executing
 "break"
-    (file "*BREAKtest" line 4)}    
+    (file "*BREAKtest" line 4)}
 
 test basic-46.4 {Tcl_AllowExceptions: exception return not allowed} -setup {
     set fName [makeFile {
@@ -737,7 +737,7 @@ test basic-48.1.$noComp {expansion: parsing} $constraints {
 		# Another comment
 		list 1  2\
 			3   {*}$::l1
-            
+
 		# Comment again
 	}
 } {1 2 3 a {b b} c d}
@@ -810,7 +810,7 @@ test basic-48.13.$noComp {expansion: odd usage} $constraints {
 test basic-48.14.$noComp {expansion: hash command} -setup {
         catch {rename \# ""}
         set cmd "#"
-    } -constraints $constraints -body { 
+    } -constraints $constraints -body {
            run { {*}$cmd apa bepa }
     } -cleanup {
 	unset cmd
@@ -870,7 +870,7 @@ test basic-48.16.$noComp {expansion: testing for leaks} -setup {
             stress
             set tmp $end
             set end [getbytes]
-        }    
+        }
         set leak [expr {$end - $tmp}]
     } -cleanup {
 	unset end i tmp
@@ -881,7 +881,7 @@ test basic-48.16.$noComp {expansion: testing for leaks} -setup {
 test basic-48.17.$noComp {expansion: object safety} -setup {
         set old_precision $::tcl_precision
         set ::tcl_precision 4
-    } -constraints $constraints -body { 
+    } -constraints $constraints -body {
             set third [expr {1.0/3.0}]
             set l [list $third $third]
             set x [run {list $third {*}$l $third}]
diff --git a/tests/chan.test b/tests/chan.test
index d8390e2..6808453 100644
--- a/tests/chan.test
+++ b/tests/chan.test
@@ -135,7 +135,7 @@ test chan-16.4 {chan command: pending subcommand} -body {
     chan pending {input output} stdout
 } -returnCodes error -result "bad mode \"input output\": must be input or output"
 test chan-16.5 {chan command: pending input subcommand} -body {
-    chan pending input stdout 
+    chan pending input stdout
 } -result -1
 test chan-16.6 {chan command: pending input subcommand} -body {
     chan pending input stdin
@@ -194,7 +194,7 @@ test chan-16.9 {chan command: pending input subcommand} -setup {
     set ::chan-16.9-data [list]
     set ::chan-16.9-done 0
 } -body {
-    after idle chan-16.9-client 
+    after idle chan-16.9-client
     vwait ::chan-16.9-done
     set ::chan-16.9-data
 } -result {-1 0 0 1 36 -1 0 0 1 72 -1 0 0 1 108 -1 0 0 1 144 ABC 890} -cleanup {
diff --git a/tests/chanio.test b/tests/chanio.test
index 2738fc6..3017e81 100644
--- a/tests/chanio.test
+++ b/tests/chanio.test
@@ -37,7 +37,7 @@ namespace eval ::tcl::test::io {
 
     ::tcltest::loadTestedCommands
     catch [list package require -exact Tcltest [info patchlevel]]
-    
+
     testConstraint testchannel      [llength [info commands testchannel]]
     testConstraint exec             [llength [info commands exec]]
     testConstraint openpipe         1
@@ -130,10 +130,10 @@ test chan-io-1.8 {Tcl_WriteChars: WriteChars} {
     # Executing this test without the fix for the referenced bug applied to
     # tcl will cause tcl, more specifically WriteChars, to go into an infinite
     # loop.
-    set f [open $path(test2) w] 
-    chan configure      $f -encoding iso2022-jp 
-    chan puts -nonewline $f [format %s%c [string repeat " " 4] 12399] 
-    chan close           $f 
+    set f [open $path(test2) w]
+    chan configure      $f -encoding iso2022-jp
+    chan puts -nonewline $f [format %s%c [string repeat " " 4] 12399]
+    chan close           $f
     contents $path(test2)
 } "    \x1b\$B\$O\x1b(B"
 test chan-io-1.9 {Tcl_WriteChars: WriteChars} {
@@ -248,7 +248,7 @@ test chan-io-3.3 {WriteChars: compatibility with WriteBytes: flush on line} -bod
 test chan-io-3.4 {WriteChars: loop over stage buffer} {
     # stage buffer maps to more than can be queued at once.
     set f [open $path(test1) w]
-    chan configure $f -encoding jis0208 -buffersize 16 
+    chan configure $f -encoding jis0208 -buffersize 16
     chan puts -nonewline $f "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
     set x [list [contents $path(test1)]]
     chan close $f
@@ -259,7 +259,7 @@ test chan-io-3.5 {WriteChars: saved != 0} {
     # be moved to beginning of next channel buffer to preserve requested
     # buffersize.
     set f [open $path(test1) w]
-    chan configure $f -encoding jis0208 -buffersize 17 
+    chan configure $f -encoding jis0208 -buffersize 17
     chan puts -nonewline $f "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
     set x [list [contents $path(test1)]]
     chan close $f
@@ -288,7 +288,7 @@ test chan-io-3.7 {WriteChars: (bufPtr->nextAdded > bufPtr->length)} {
     # on flush. The truncated bytes are moved to the beginning of the next
     # channel buffer.
     set f [open $path(test1) w]
-    chan configure $f -encoding jis0208 -buffersize 17 
+    chan configure $f -encoding jis0208 -buffersize 17
     chan puts -nonewline $f "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
     set x [list [contents $path(test1)]]
     chan close $f
@@ -353,7 +353,7 @@ test chan-io-4.5 {TranslateOutputEOL: crlf} {
 
 test chan-io-5.1 {CheckFlush: not full} {
     set f [open $path(test1) w]
-    chan configure $f 
+    chan configure $f
     chan puts -nonewline $f "12345678901234567890"
     set x [list [contents $path(test1)]]
     chan close $f
@@ -441,7 +441,7 @@ set a "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
 append a $a
 append a $a
 test chan-io-6.6 {Tcl_GetsObj: loop test} -body {
-    # if (dst >= dstEnd) 
+    # if (dst >= dstEnd)
     set f [open $path(test1) w]
     chan puts $f $a
     chan puts $f hi
@@ -750,7 +750,7 @@ test chan-io-6.33 {Tcl_GetsObj: crlf mode: buffer exhausted, at eof} -body {
     chan close $f
 } -result [list 16 "123456789012345\r" 1]
 test chan-io-6.34 {Tcl_GetsObj: crlf mode: buffer exhausted, not followed by \n} -body {
-    # not (*eol == '\n') 
+    # not (*eol == '\n')
     set f [open $path(test1) w]
     chan configure $f -translation lf
     chan puts -nonewline $f "123456789012345\rabcd\r\nefg"
@@ -860,7 +860,7 @@ test chan-io-6.43 {Tcl_GetsObj: input saw cr} -setup {
     chan configure $f -buffersize 16
     lappend x [chan gets $f]
     chan configure $f -blocking 0
-    lappend x [chan gets $f line] $line [testchannel queuedcr $f] 
+    lappend x [chan gets $f line] $line [testchannel queuedcr $f]
     chan configure $f -blocking 1
     chan puts -nonewline $f "\nabcd\refg\x1a"
     lappend x [chan gets $f line] $line [testchannel queuedcr $f]
@@ -871,14 +871,14 @@ test chan-io-6.43 {Tcl_GetsObj: input saw cr} -setup {
 test chan-io-6.44 {Tcl_GetsObj: input saw cr, not followed by cr} -setup {
     set x ""
 } -constraints {stdio testchannel openpipe fileevent} -body {
-    # not (*eol == '\n') 
+    # not (*eol == '\n')
     set f [openpipe w+ $path(cat)]
     chan configure $f -translation {auto lf} -buffering none
     chan puts -nonewline $f "bbbbbbbbbbbbbbb\n123456789abcdef\r"
     chan configure $f -buffersize 16
     lappend x [chan gets $f]
     chan configure $f -blocking 0
-    lappend x [chan gets $f line] $line [testchannel queuedcr $f] 
+    lappend x [chan gets $f line] $line [testchannel queuedcr $f]
     chan configure $f -blocking 1
     chan puts -nonewline $f "abcd\refg\x1a"
     lappend x [chan gets $f line] $line [testchannel queuedcr $f]
@@ -957,7 +957,7 @@ test chan-io-6.49 {Tcl_GetsObj: auto mode: \r followed by \n} -constraints {test
     chan close $f
 } -result {123456 0 8 78901}
 test chan-io-6.50 {Tcl_GetsObj: auto mode: \r not followed by \n} -constraints {testchannel} -body {
-    # not (*eol == '\n') 
+    # not (*eol == '\n')
     set f [open $path(test1) w]
     chan configure $f -translation lf
     chan puts -nonewline $f "123456\r78901"
@@ -1183,7 +1183,7 @@ test chan-io-8.5 {PeekAhead: don't peek if last read was short} -constraints {st
     chan close $f
 } -result {15 abcdefghijklmno 1}
 test chan-io-8.6 {PeekAhead: change to non-blocking mode} -constraints {stdio testchannel openpipe fileevent} -body {
-    # ((chanPtr->flags & CHANNEL_NONBLOCKING) == 0) 
+    # ((chanPtr->flags & CHANNEL_NONBLOCKING) == 0)
     set f [openpipe w+ $path(cat)]
     chan configure $f -translation {auto binary} -buffersize 16
     chan puts -nonewline $f "abcdefghijklmno\r"
@@ -1423,7 +1423,7 @@ test chan-io-13.2 {TranslateInputEOL: crlf mode} -body {
     chan close $f
 } -result "abcd\ndef\n"
 test chan-io-13.3 {TranslateInputEOL: crlf mode: naked cr} -body {
-    # (src >= srcMax) 
+    # (src >= srcMax)
     set f [open $path(test1) w]
     chan configure $f -translation lf
     chan puts -nonewline $f "abcd\r\ndef\r"
@@ -1435,7 +1435,7 @@ test chan-io-13.3 {TranslateInputEOL: crlf mode: naked cr} -body {
     chan close $f
 } -result "abcd\ndef\r"
 test chan-io-13.4 {TranslateInputEOL: crlf mode: cr followed by not \n} -body {
-    # (src >= srcMax) 
+    # (src >= srcMax)
     set f [open $path(test1) w]
     chan configure $f -translation lf
     chan puts -nonewline $f "abcd\r\ndef\rfgh"
@@ -1447,7 +1447,7 @@ test chan-io-13.4 {TranslateInputEOL: crlf mode: cr followed by not \n} -body {
     chan close $f
 } -result "abcd\ndef\rfgh"
 test chan-io-13.5 {TranslateInputEOL: crlf mode: naked lf} -body {
-    # (src >= srcMax) 
+    # (src >= srcMax)
     set f [open $path(test1) w]
     chan configure $f -translation lf
     chan puts -nonewline $f "abcd\r\ndef\nfgh"
@@ -1515,7 +1515,7 @@ test chan-io-13.9 {TranslateInputEOL: auto mode: \r followed by not \n} -body {
     chan close $f
 } -result "abcd\ndef"
 test chan-io-13.10 {TranslateInputEOL: auto mode: \n} -body {
-    # not (*src == '\r') 
+    # not (*src == '\r')
     set f [open $path(test1) w]
     chan configure $f -translation lf
     chan puts -nonewline $f "abcd\ndef"
@@ -3901,7 +3901,7 @@ test chan-io-31.31 {Tcl_Write crlf on block boundary, Tcl_Gets crlf} -setup {
     }
     chan close $f
     set f [open $path(test1) r]
-    chan configure $f -translation crlf 
+    chan configure $f -translation crlf
     while {[chan gets $f line] >= 0} {
 	append c $line\n
     }
@@ -5155,7 +5155,7 @@ test chan-io-39.14 {Tcl_SetChannelOption: -encoding, binary & utf-8} -setup {
     file delete $path(test1)
 } -body {
     set f [open $path(test1) w]
-    chan configure $f -encoding {} 
+    chan configure $f -encoding {}
     chan puts -nonewline $f \xe7\x89\xa6
     chan close $f
     set f [open $path(test1) r]
@@ -5300,7 +5300,7 @@ test chan-io-39.23 {Tcl_GetChannelOption, server socket is not readable or\
 test chan-io-39.24 {Tcl_SetChannelOption, server socket is not readable or\
         writable so we can't change -eofchar or -translation} -setup {
     set l [list]
-} -body { 
+} -body {
     set sock [socket -server [namespace code accept] -myaddr 127.0.0.1 0]
     chan configure $sock -eofchar D -translation lf
     lappend l [chan configure $sock -eofchar] \
@@ -5453,7 +5453,7 @@ test chan-io-40.13 {POSIX open access modes: WRONLY} -body {
     set x [list [catch {chan gets $f} msg] $msg]
     chan close $f
     lappend x [viewFile test3]
-} -match glob -result {1 {channel "*" wasn't opened for reading} abzzy} 
+} -match glob -result {1 {channel "*" wasn't opened for reading} abzzy}
 test chan-io-40.14 {POSIX open access modes: RDWR} -match regexp -body {
     file delete $path(test3)
     open $path(test3) RDWR
diff --git a/tests/clock.test b/tests/clock.test
index 615f3a8..08036ca 100644
--- a/tests/clock.test
+++ b/tests/clock.test
@@ -35,9 +35,9 @@ testConstraint y2038 \
 # TEST PLAN
 
 # clock-1:
-#	[clock format] - tests of bad and empty arguments 
+#	[clock format] - tests of bad and empty arguments
 #
-# clock-2 
+# clock-2
 #	formatting of year, month and day of month
 #
 # clock-3
@@ -195,7 +195,7 @@ namespace eval ::tcl::clock {
 	    l li lii liii liv lv lvi lvii lviii lix
 	    lx lxi lxii lxiii lxiv lxv lxvi lxvii lxviii lxix
 	    lxx lxxi lxxii lxxiii lxxiv lxxv lxxvi lxxvii lxxviii lxxix
-	    lxxx lxxxi lxxxii lxxxiii lxxxiv lxxxv lxxxvi lxxxvii lxxxviii 
+	    lxxx lxxxi lxxxii lxxxiii lxxxiv lxxxv lxxxvi lxxxvii lxxxviii
 	    lxxxix
 	    xc xci xcii xciii xciv xcv xcvi xcvii xcviii xcix
 	    c
@@ -271,7 +271,7 @@ test clock-1.3 "clock format - empty val" {
 test clock-1.4 "clock format - bad flag" {*}{
     -body {
     list [catch {clock format 0 -oops badflag} msg] $msg $::errorCode
-    } 
+    }
     -match glob
     -result {1 {bad option "-oops": must be -format, -gmt, -locale, or -timezone} {CLOCK badOption -oops}}
 }
@@ -34992,6 +34992,10 @@ test clock-29.1800 {time parsing} {
 } 86399
 # END testcases29
 
+
+# BEGIN testcases30
+
+# Test [clock add]
 test clock-30.1 {clock add years} {
     set t [clock scan 2000-01-01 -format %Y-%m-%d -timezone :UTC]
     set f [clock add $t 1 year -timezone :UTC]
@@ -35218,10 +35222,61 @@ test clock-30.25 {clock add seconds at DST conversion} {
     set x1 [clock format $f1 -format {%Y-%m-%d %H:%M:%S %z} \
 		-timezone EST05:00EDT04:00,M4.1.0/02:00,M10.5.0/02:00]
 } {2004-10-31 01:00:00 -0500}
+test clock-30.26 {clock add weekdays} {
+    set t [clock scan {2013-11-20}] ;# Wednesday
+    set f1 [clock add $t 3 weekdays]
+    set x1 [clock format $f1 -format {%Y-%m-%d}]
+} {2013-11-25}
+test clock-30.27 {clock add weekdays starting on Saturday} {
+    set t [clock scan {2013-11-23}] ;# Saturday
+    set f1 [clock add $t 1 weekday]
+    set x1 [clock format $f1 -format {%Y-%m-%d}]
+} {2013-11-25}
+test clock-30.28 {clock add weekdays starting on Sunday} {
+    set t [clock scan {2013-11-24}] ;# Sunday
+    set f1 [clock add $t 1 weekday]
+    set x1 [clock format $f1 -format {%Y-%m-%d}]
+} {2013-11-25}
+test clock-30.29 {clock add 0 weekdays starting on a weekend} {
+    set t [clock scan {2016-02-27}] ;# Saturday
+    set f1 [clock add $t 0 weekdays]
+    set x1 [clock format $f1 -format {%Y-%m-%d}]
+} {2016-02-27}
+test clock-30.30 {clock add weekdays and back} -body {
+    set n [clock seconds]
+    # we start on each day of the week
+    for {set i 0} {$i < 7} {incr i} {
+        set start  [clock add $n $i days]
+        set startu [clock format $start -format %u]
+        # add 0 - 100 weekdays
+        for {set j 0} {$j < 100} {incr j} {
+            set forth [clock add $start $j weekdays]
+            set back  [clock add $forth -$j weekdays]
+            # If $s was a weekday or $j was 0, $b must be the same day.
+            # Otherwise, $b must be the immediately preceeding Friday
+            set fail 0
+            if {$j == 0 || $startu < 6} {
+                if {$start != $back} { set fail 1}
+            } else {
+                set friday [clock add $start -[expr {$startu % 5}] days]
+                if {$friday != $back} { set fail 1 }
+            }
+            if {$fail} {
+                set sdate [clock format $start -format {%Y-%m-%d}]
+                set bdate [clock format $back  -format {%Y-%m-%d}]
+                return "$sdate + $j - $j := $bdate"
+            }
+        }
+    }
+    return "OK"
+} -result {OK}
+
+# END testcases30
+
 
 test clock-31.1 {system locale} \
     -constraints win \
-    -setup { 
+    -setup {
 	namespace eval ::tcl::clock {
 	    namespace import -force ::testClock::registry
 	}
@@ -35244,7 +35299,7 @@ test clock-31.1 {system locale} \
 
 test clock-31.2 {system locale} \
     -constraints win \
-    -setup { 
+    -setup {
 	namespace eval ::tcl::clock {
 	    namespace import -force ::testClock::registry
 	}
@@ -35267,7 +35322,7 @@ test clock-31.2 {system locale} \
 
 test clock-31.3 {system locale} \
     -constraints win \
-    -setup { 
+    -setup {
 	namespace eval ::tcl::clock {
 	    namespace import -force ::testClock::registry
 	}
@@ -35290,7 +35345,7 @@ test clock-31.3 {system locale} \
 
 test clock-31.4 {system locale} \
     -constraints win \
-    -setup { 
+    -setup {
 	namespace eval ::tcl::clock {
 	    namespace import -force ::testClock::registry
 	}
@@ -35327,7 +35382,7 @@ test clock-31.4 {system locale} \
 
 test clock-31.5 {system locale} \
     -constraints win \
-    -setup { 
+    -setup {
 	namespace eval ::tcl::clock {
 	    namespace import -force ::testClock::registry
 	}
@@ -35364,7 +35419,7 @@ test clock-31.5 {system locale} \
 
 test clock-31.6 {system locale} \
     -constraints win \
-    -setup { 
+    -setup {
 	namespace eval ::tcl::clock {
 	    namespace import -force ::testClock::registry
 	}
@@ -35434,7 +35489,7 @@ test clock-32.1 {scan/format across the Gregorian change} {
     }
     set problems
 } {}
-			 
+
 # Legacy tests
 
 # clock clicks
@@ -35468,7 +35523,7 @@ test clock-33.5 {clock clicks tests, millisecond timing test} {
     # 60 msecs seems to be the max time slice under Windows 95/98
     expr {
 	  ($end > $start) && (($end - $start) <= 60) ?
-	  "ok" : 
+	  "ok" :
 	  "test should have taken 0-60 ms, actually took [expr $end - $start]"}
 } {ok}
 test clock-33.5a {clock tests, millisecond timing test} {
@@ -35480,7 +35535,7 @@ test clock-33.5a {clock tests, millisecond timing test} {
     # 60 msecs seems to be the max time slice under Windows 95/98
     expr {
 	  ($end > $start) && (($end - $start) <= 60) ?
-	  "ok" : 
+	  "ok" :
 	  "test should have taken 0-60 ms, actually took [expr $end - $start]"}
 } {ok}
 test clock-33.6 {clock clicks, milli with too much abbreviation} {
@@ -35804,31 +35859,31 @@ test clock-34.47 {ago with multiple relative units} {
 } 180000
 
 test clock-34.48 {more than one ToD} {*}{
-    -body {clock scan {10:00 11:00}} 
+    -body {clock scan {10:00 11:00}}
     -returnCodes error
     -result {unable to convert date-time string "10:00 11:00": more than one time of day in string}
 }
 
 test clock-34.49 {more than one date} {*}{
-    -body {clock scan {1/1/2001 2/2/2002}} 
+    -body {clock scan {1/1/2001 2/2/2002}}
     -returnCodes error
     -result {unable to convert date-time string "1/1/2001 2/2/2002": more than one date in string}
 }
 
 test clock-34.50 {more than one time zone} {*}{
-    -body {clock scan {10:00 EST CST}} 
+    -body {clock scan {10:00 EST CST}}
     -returnCodes error
     -result {unable to convert date-time string "10:00 EST CST": more than one time zone in string}
 }
 
 test clock-34.51 {more than one weekday} {*}{
-    -body {clock scan {Monday Tuesday}} 
+    -body {clock scan {Monday Tuesday}}
     -returnCodes error
     -result {unable to convert date-time string "Monday Tuesday": more than one weekday in string}
 }
 
 test clock-34.52 {more than one ordinal month} {*}{
-    -body {clock scan {next January next March}} 
+    -body {clock scan {next January next March}}
     -returnCodes error
     -result {unable to convert date-time string "next January next March": more than one ordinal month in string}
 }
@@ -35924,7 +35979,7 @@ test clock-38.2 {make sure TZ is not cached after unset} \
         }
     } \
     -result 1
-        
+
 
 test clock-39.1 {regression - synonym timezones} {
     clock format 0 -format {%H:%M:%S} -timezone :US/Eastern
@@ -35996,7 +36051,7 @@ test clock-44.1 {regression test - time zone name containing hyphen } \
 	}
     } \
     -result {12:34:56-0500}
-    
+
 test clock-45.1 {regression test - time zone containing only two digits} \
     -body {
 	clock scan 1985-04-12T10:15:30+04 -format %Y-%m-%dT%H:%M:%S%Z
@@ -36041,7 +36096,7 @@ test clock-48.1 {Bug 1185933: 'i' destroyed by clock init} -setup {
 
 test clock-49.1 {regression test - localtime with negative arg (Bug 1237907)} \
     -body {
-	list [catch { 
+	list [catch {
 	    clock format -86400 -timezone :localtime -format %Y
 	} result] $result
     } \
@@ -36280,7 +36335,7 @@ test clock-56.1 {use of zoneinfo, version 1} {*}{
     }
     -result {2004-01-01 00:00:00 MST}
 }
-	    
+
 test clock-56.2 {use of zoneinfo, version 2} {*}{
     -setup {
 	clock format [clock seconds]
@@ -36330,7 +36385,7 @@ test clock-56.2 {use of zoneinfo, version 2} {*}{
 	removeFile PhoenixTwo $tzdir2
 	removeDirectory Test $tzdir
 	removeDirectory zoneinfo
-    } 
+    }
     -body {
 	clock format 1072940400 -timezone :Test/PhoenixTwo \
 	    -format {%Y-%m-%d %H:%M:%S %Z}
@@ -36540,7 +36595,7 @@ test clock-56.3 {use of zoneinfo, version 2, Y2038 compliance} {*}{
 	removeFile TijuanaTwo $tzdir2
 	removeDirectory Test $tzdir
 	removeDirectory zoneinfo
-    } 
+    }
     -body {
 	clock format 2224738800 -timezone :Test/TijuanaTwo \
 	    -format {%Y-%m-%d %H:%M:%S %Z}
@@ -36692,7 +36747,7 @@ test clock-56.4 {Bug 3470928} {*}{
 	removeFile Windhoek $tzdir2
 	removeDirectory Test $tzdir
 	removeDirectory zoneinfo
-    } 
+    }
     -result {Sun Jan 08 22:30:06 WAST 2012}
 }
 
@@ -36703,7 +36758,7 @@ test clock-57.1 {clock scan - abbreviated options} {
 test clock-58.1 {clock l10n - Japanese localisation} {*}{
     -setup {
 	proc backslashify { string } {
-	    
+
 	    set retval {}
 	    foreach char [split $string {}] {
 		scan $char %c ccode
@@ -36809,52 +36864,52 @@ test clock-59.1 {military time zones} {
 
 test clock-60.1 {case insensitive weekday names} {
     clock scan "2000-W01 monday" -gmt true -format "%G-W%V %a"
-} [clock scan "2000-W01-1" -gmt true -format "%G-W%V-%u"] 
+} [clock scan "2000-W01-1" -gmt true -format "%G-W%V-%u"]
 test clock-60.2 {case insensitive weekday names} {
     clock scan "2000-W01 Monday" -gmt true -format "%G-W%V %a"
-} [clock scan "2000-W01-1" -gmt true -format "%G-W%V-%u"] 
+} [clock scan "2000-W01-1" -gmt true -format "%G-W%V-%u"]
 test clock-60.3 {case insensitive weekday names} {
     clock scan "2000-W01 MONDAY" -gmt true -format "%G-W%V %a"
-} [clock scan "2000-W01-1" -gmt true -format "%G-W%V-%u"] 
+} [clock scan "2000-W01-1" -gmt true -format "%G-W%V-%u"]
 test clock-60.4 {case insensitive weekday names} {
     clock scan "2000-W01 friday" -gmt true -format "%G-W%V %a"
-} [clock scan "2000-W01-5" -gmt true -format "%G-W%V-%u"] 
+} [clock scan "2000-W01-5" -gmt true -format "%G-W%V-%u"]
 test clock-60.5 {case insensitive weekday names} {
     clock scan "2000-W01 Friday" -gmt true -format "%G-W%V %a"
-} [clock scan "2000-W01-5" -gmt true -format "%G-W%V-%u"] 
+} [clock scan "2000-W01-5" -gmt true -format "%G-W%V-%u"]
 test clock-60.6 {case insensitive weekday names} {
     clock scan "2000-W01 FRIDAY" -gmt true -format "%G-W%V %a"
-} [clock scan "2000-W01-5" -gmt true -format "%G-W%V-%u"] 
+} [clock scan "2000-W01-5" -gmt true -format "%G-W%V-%u"]
 test clock-60.7 {case insensitive month names} {
     clock scan "1 january 2000" -gmt true -format "%d %b %Y"
-} [clock scan "2000-01-01" -gmt true -format "%Y-%m-%d"] 
+} [clock scan "2000-01-01" -gmt true -format "%Y-%m-%d"]
 test clock-60.8 {case insensitive month names} {
     clock scan "1 January 2000" -gmt true -format "%d %b %Y"
-} [clock scan "2000-01-01" -gmt true -format "%Y-%m-%d"] 
+} [clock scan "2000-01-01" -gmt true -format "%Y-%m-%d"]
 test clock-60.9 {case insensitive month names} {
     clock scan "1 JANUARY 2000" -gmt true -format "%d %b %Y"
-} [clock scan "2000-01-01" -gmt true -format "%Y-%m-%d"] 
+} [clock scan "2000-01-01" -gmt true -format "%Y-%m-%d"]
 test clock-60.10 {case insensitive month names} {
     clock scan "1 december 2000" -gmt true -format "%d %b %Y"
-} [clock scan "2000-12-01" -gmt true -format "%Y-%m-%d"] 
+} [clock scan "2000-12-01" -gmt true -format "%Y-%m-%d"]
 test clock-60.11 {case insensitive month names} {
     clock scan "1 December 2000" -gmt true -format "%d %b %Y"
-} [clock scan "2000-12-01" -gmt true -format "%Y-%m-%d"] 
+} [clock scan "2000-12-01" -gmt true -format "%Y-%m-%d"]
 test clock-60.12 {case insensitive month names} {
     clock scan "1 DECEMBER 2000" -gmt true -format "%d %b %Y"
-} [clock scan "2000-12-01" -gmt true -format "%Y-%m-%d"] 
+} [clock scan "2000-12-01" -gmt true -format "%Y-%m-%d"]
 
 test clock-61.1 {overflow of a wide integer on output} {*}{
     -body {
 	clock format 0x8000000000000000 -format %s -gmt true
-    } 
+    }
     -result {integer value too large to represent}
     -returnCodes error
 }
 test clock-61.2 {overflow of a wide integer on output} {*}{
     -body {
 	clock format -0x8000000000000001 -format %s -gmt true
-    } 
+    }
     -result {integer value too large to represent}
     -returnCodes error
 }
diff --git a/tests/compile.test b/tests/compile.test
index 46e678a..6aa7fd1 100644
--- a/tests/compile.test
+++ b/tests/compile.test
@@ -122,7 +122,7 @@ test compile-3.4 {TclCompileCatchCmd: bcc'ed [return] is caught} {
     proc foo {} {
 	set fail [catch {
 	    return 1
-	}] ; # {}	
+	}] ; # {}
 	return 2
     }
     foo
@@ -132,8 +132,8 @@ test compile-3.5 {TclCompileCatchCmd: recover from error, [Bug 705406]} {
 	catch {
 	    if {[a]} {
 		if b {}
-	    }   
-	}   
+	    }
+	}
     }
     list [catch foo msg] $msg
 } {0 1}
@@ -224,6 +224,17 @@ test compile-5.2 {TclCompileForeachCmd: non-local variables} {
     foreach-test
     set ::foo
 } 3
+test compile-5.3 {TclCompileForeachCmd: [Bug b9b2079e6d]} -setup {
+    proc demo {} {
+	foreach x y {
+	    if 1 break else
+	}
+    }
+} -body {
+    demo
+} -cleanup {
+    rename demo {}
+} -returnCodes error -result {wrong # args: no script following "else" argument}
 
 test compile-6.1 {TclCompileSetCmd: global scalar names with ::s} -setup {
     catch {unset x}
@@ -333,13 +344,13 @@ test compile-11.9 {Tcl_Append*: ensure Tcl_ResetResult is used properly} -body {
     list [catch {p} msg] $msg
 } -returnCodes error -result {unmatched open brace in list}
 
-# 
+#
 # Special section for tests of tclLiteral.c
 # The following tests check for incorrect memory handling in
 # TclReleaseLiteral. They are only effective when tcl is compiled with
 # TCL_MEM_DEBUG
 #
-# Special test for leak on interp delete [Bug 467523]. 
+# Special test for leak on interp delete [Bug 467523].
 test compile-12.1 {testing literal leak on interp delete} -setup {
     proc getbytes {} {
 	set lines [split [memory info] "\n"]
@@ -348,10 +359,10 @@ test compile-12.1 {testing literal leak on interp delete} -setup {
 } -constraints memory -body {
     set end [getbytes]
     for {set i 0} {$i < 5} {incr i} {
-	interp create foo 
-	foo eval { 
+	interp create foo
+	foo eval {
 	    namespace eval bar {}
-	} 
+	}
 	interp delete foo
 	set tmp $end
 	set end [getbytes]
@@ -372,7 +383,7 @@ test compile-12.2 {testing error on literal deletion} -constraints {memory exec}
 	}
 	puts 0
     } source.file]
-    exec [interpreter] $sourceFile 
+    exec [interpreter] $sourceFile
 } -cleanup {
     catch {removeFile $sourceFile}
 } -result 0
@@ -465,7 +476,7 @@ test compile-14.1 {testing errors in element name; segfault?} {} {
 test compile-14.2 {testing element name "$"} -body {
     unset -nocomplain a
     set a() 1
-    set a(1) 2 
+    set a(1) 2
     set a($) 3
     list [set a()] [set a(1)] [set a($)] [unset a() a(1); lindex [array names a] 0]
 } -cleanup {unset a} -result [list 1 2 3 {$}]
diff --git a/tests/coroutine.test b/tests/coroutine.test
index 205da67..86fa6e3 100644
--- a/tests/coroutine.test
+++ b/tests/coroutine.test
@@ -66,7 +66,7 @@ test coroutine-1.3 {yield returns new arg} -setup {
 	    incr i
 	}
     }
-    coroutine foo ::apply [list {{start 2} {stop 10}} $body] 
+    coroutine foo ::apply [list {{start 2} {stop 10}} $body]
     set res {}
 } -body {
     for {set k 1} {$k < 4} {incr k} {
@@ -476,7 +476,7 @@ test coroutine-5.1 {right numLevels on coro return} -constraints {testnrelevels}
 	expr {[lindex [testnrelevels] 1] - 1}
     }
     proc relativeLevel base {
-	# remove the level for this proc's call	
+	# remove the level for this proc's call
 	expr {[getNumLevel] - $base - 1}
     }
     proc foo {} {
@@ -517,7 +517,7 @@ test coroutine-5.2 {right numLevels within coro} -constraints {testnrelevels} \
 	expr {[lindex [testnrelevels] 1] - 1}
     }
     proc relativeLevel base {
-	# remove the level for this proc's call	
+	# remove the level for this proc's call
 	expr {[getNumLevel] - $base - 1}
     }
     proc foo base {
@@ -588,7 +588,7 @@ test coroutine-7.2 {multi-argument yielding with yieldto} -body {
     coroutine a corobody
     coroutine b corobody
     list [a x] [a y z] [a \{p] [a \{q r] [a] [a] [rename a {}] \
-	[b ok] [rename b {}] 
+	[b ok] [rename b {}]
 } -cleanup {
     rename corobody {}
 } -result {x {y z 2} \{p {\{q r 2} {} 0 {} ok {}}
diff --git a/tests/encoding.test b/tests/encoding.test
index 0374e2d..4dddbb5 100644
--- a/tests/encoding.test
+++ b/tests/encoding.test
@@ -73,7 +73,7 @@ test encoding-2.2 {Tcl_FreeEncoding: refcount != 0} -setup {
 } -constraints {testencoding} -body {
     encoding system shiftjis		;# incr ref count
     encoding dirs [list [pwd]]
-    set x [encoding convertto shiftjis \u4e4e]	;# old one found   
+    set x [encoding convertto shiftjis \u4e4e]	;# old one found
     encoding system identity
     llength shiftjis		;# Shimmer away any cache of Tcl_Encoding
     lappend x [catch {encoding convertto shiftjis \u4e4e} msg] $msg
@@ -182,7 +182,7 @@ test encoding-8.1 {Tcl_ExternalToUtf} {
     puts -nonewline $f "ab\x8c\xc1g"
     close $f
     set f [open [file join [temporaryDirectory] dummy] r]
-    fconfigure $f -translation binary -encoding shiftjis    
+    fconfigure $f -translation binary -encoding shiftjis
     set x [read $f]
     close $f
     file delete [file join [temporaryDirectory] dummy]
@@ -265,7 +265,7 @@ test encoding-11.6 {LoadEncodingFile: invalid file} -constraints {testencoding}
     makeDirectory tmp
     makeDirectory [file join tmp encoding]
     set f [open [file join tmp encoding splat.enc] w]
-    fconfigure $f -translation binary 
+    fconfigure $f -translation binary
     puts $f "abcdefghijklmnop"
     close $f
     encoding convertto splat \u4e4e
@@ -286,11 +286,11 @@ test encoding-12.1 {LoadTableEncoding: normal encoding} {
     append x [encoding convertfrom iso8859-3 \xd5]
 } "\xd5?\u120"
 test encoding-12.2 {LoadTableEncoding: single-byte encoding} {
-    set x [encoding convertto iso8859-3 ab\u0120g] 
+    set x [encoding convertto iso8859-3 ab\u0120g]
     append x [encoding convertfrom iso8859-3 ab\xd5g]
 } "ab\xd5gab\u120g"
 test encoding-12.3 {LoadTableEncoding: multi-byte encoding} {
-    set x [encoding convertto shiftjis ab\u4e4eg] 
+    set x [encoding convertto shiftjis ab\u4e4eg]
     append x [encoding convertfrom shiftjis ab\x8c\xc1g]
 } "ab\x8c\xc1gab\u4e4eg"
 test encoding-12.4 {LoadTableEncoding: double-byte encoding} {
diff --git a/tests/execute.test b/tests/execute.test
index 9a2ffbd..5b8ce2d 100644
--- a/tests/execute.test
+++ b/tests/execute.test
@@ -698,7 +698,7 @@ test execute-6.12 {Tcl_ExprObj: exprcode interp validation} -setup {
     lappend result [e $e]
     interp delete slave
     interp create slave
-    interp alias {} e slave expr 
+    interp alias {} e slave expr
     lappend result [e $e]
 } -cleanup {
     interp delete slave
@@ -1013,8 +1013,8 @@ test execute-10.3 {Bug 3072640} -setup {
 	    yield $i
 	}
     }
-    proc t {args} { 
-	incr ::foo 
+    proc t {args} {
+	incr ::foo
     }
     trace add execution ::generate enterstep ::t
 } -body {
diff --git a/tests/expr-old.test b/tests/expr-old.test
index 06a00ba..3adfb63 100644
--- a/tests/expr-old.test
+++ b/tests/expr-old.test
@@ -420,13 +420,13 @@ test expr-old-21.3 {parenthesization} {expr +(3-4)} -1
 
 # Embedded commands and variable names.
 
-set a 16 
-test expr-old-22.1 {embedded variables} {expr {2*$a}} 32 
+set a 16
+test expr-old-22.1 {embedded variables} {expr {2*$a}} 32
 test expr-old-22.2 {embedded variables} {
     set x -5
     set y 10
     expr {$x + $y}
-} {5} 
+} {5}
 test expr-old-22.3 {embedded variables} {
     set x "  -5"
     set y "  +10"
@@ -1120,7 +1120,7 @@ test expr-old-37.25 {Tcl_ExprDouble and NaN} \
     {ieeeFloatingPoint testexprdouble} {
 	list [catch {testexprdouble 0.0/0.0} result] $result
     } {1 {domain error: argument not in valid range}}
-    
+
 test expr-old-38.1 {Verify Tcl_ExprString's basic operation} -constraints {testexprstring} -body {
     list [testexprstring "1+4"] [testexprstring "2*3+4.2"] \
 	    [catch {testexprstring "1+"} msg] $msg
diff --git a/tests/expr.test b/tests/expr.test
index 4c03262..4046411 100644
--- a/tests/expr.test
+++ b/tests/expr.test
@@ -1429,7 +1429,7 @@ test expr-23.74.3 {INST_EXPON: Bug 2798543} {
     expr {(-14)**17 == (-14)**65553}
 } 0
 
-	
+
 # Some compilers get this wrong; ensure that we work around it correctly
 test expr-24.1 {expr edge cases; shifting} {expr int(5)>>32} 0
 test expr-24.2 {expr edge cases; shifting} {expr int(5)>>63} 0
@@ -5777,7 +5777,7 @@ test expr-32.1 {expr mod basics} {
     0 1 0 3 3 \
     0 -1 0 -1 -2 \
     ]
-        
+
 test expr-32.2 {expr div basics} {
     set mod_nums [list \
         {-3 1} {-3 2} {-3 3} {-3 4} {-3 5} \
@@ -6776,7 +6776,7 @@ test expr-39.16 {Tcl_ExprLongObj handles overflows} \
 	list [catch {testexprlongobj 4294967296.} result] $result
     } \
     -result {1 {integer value too large to represent*}}
-    
+
 test expr-39.17 {Check that Tcl_ExprDoubleObj doesn't modify interpreter result if no error} testexprdoubleobj {
     testexprdoubleobj 4.+1.
 } {This is a result: 5.0}
diff --git a/tests/fileSystem.test b/tests/fileSystem.test
index 9fe4fe9..1941936 100644
--- a/tests/fileSystem.test
+++ b/tests/fileSystem.test
@@ -146,7 +146,7 @@ test filesystem-1.10 {link normalisation: double link} -constraints {
 	[file normalize [file join dir2.link inside.file foo]]
 } -cleanup {
     file delete dir2.link
-} -result ok 
+} -result ok
 makeDirectory dir2.file
 test filesystem-1.11 {link normalisation: double link, back in tree} {unix hasLinks} {
     file link dir2.link dir.link
@@ -874,7 +874,7 @@ test filesystem-9.5 {path objects and file tail and object rep} -setup {
     }
     return $res
 } -cleanup {
-    file delete -force dgp 
+    file delete -force dgp
     cd $origdir
 } -result {test test}
 test filesystem-9.6 {path objects and file tail and object rep} win {
diff --git a/tests/for.test b/tests/for.test
index 1a65274..8e701d6 100644
--- a/tests/for.test
+++ b/tests/for.test
@@ -303,35 +303,35 @@ proc formatMail {} {
         16 {This page contains information about Tcl 7.6 and Tk4.2, which are the most recent} \
         17 {releases of the Tcl scripting language and the Tk toolkit. The first beta versions of these} \
         18 {releases were released on August 30, 1996. These releases contain only minor changes,} \
-        19 {so we hope to have only a single beta release and to go final in early October, 1996. } \
+        19 {so we hope to have only a single beta release and to go final in early October, 1996.} \
         20 {} \
         21 {} \
-        22 {What's new } \
+        22 {What's new} \
         23 {} \
         24 {The most important changes in the releases are summarized below. See the README} \
         25 {and changes files in the distributions for more complete information on what has} \
-        26 {changed, including both feature changes and bug fixes. } \
+        26 {changed, including both feature changes and bug fixes.} \
         27 {} \
         28 {     There are new options to the file command for copying files (file copy),} \
         29 {     deleting files and directories (file delete), creating directories (file} \
-        30 {     mkdir), and renaming files (file rename). } \
+        30 {     mkdir), and renaming files (file rename).} \
         31 {     The implementation of exec has been improved greatly for Windows 95 and} \
-        32 {     Windows NT. } \
+        32 {     Windows NT.} \
         33 {     There is a new memory allocator for the Macintosh version, which should be} \
-        34 {     more efficient than the old one. } \
+        34 {     more efficient than the old one.} \
         35 {     Tk's grid geometry manager has been completely rewritten. The layout} \
         36 {     algorithm produces much better layouts than before, especially where rows or} \
-        37 {     columns were stretchable. } \
+        37 {     columns were stretchable.} \
         38 {     There are new commands for creating common dialog boxes:} \
         39 {     tk_chooseColor, tk_getOpenFile, tk_getSaveFile and} \
-        40 {     tk_messageBox. These use native dialog boxes if they are available. } \
+        40 {     tk_messageBox. These use native dialog boxes if they are available.} \
         41 {     There is a new virtual event mechanism for handling events in a more portable} \
         42 {     way. See the new command event. It also allows events (both physical and} \
-        43 {     virtual) to be generated dynamically. } \
+        43 {     virtual) to be generated dynamically.} \
         44 {} \
         45 {Tcl 7.6 and Tk 4.2 are backwards-compatible with Tcl 7.5 and Tk 4.1 except for} \
         46 {changes in the C APIs for custom channel drivers. Scripts written for earlier releases} \
-        47 {should work on these new releases as well. } \
+        47 {should work on these new releases as well.} \
         48 {} \
         49 {Obtaining The Releases} \
         50 {} \
@@ -342,7 +342,7 @@ proc formatMail {} {
         55 {     Windows 3.1, Windows 95, and Windows NT: Fetch} \
         56 {     ftp://ftp.sunlabs.com/pub/tcl/win42b1.exe, then execute it. The file is a} \
         57 {     self-extracting executable. It will install the Tcl and Tk libraries, the wish and} \
-        58 {     tclsh programs, and documentation. } \
+        58 {     tclsh programs, and documentation.} \
         59 {     Macintosh (both 68K and PowerPC): Fetch} \
         60 {     ftp://ftp.sunlabs.com/pub/tcl/mactk4.2b1.sea.hqx. The file is in binhex format,} \
         61 {     which is understood by Fetch, StuffIt, and many other Mac utilities. The} \
@@ -511,30 +511,30 @@ so we hope to have only a single beta release and to
 go final in early October, 1996.
 
 
-What's new 
+What's new
 
 The most important changes in the releases are summariz
 ed below. See the README
 and changes files in the distributions for more complet
 e information on what has
-changed, including both feature changes and bug fixes. 
+changed, including both feature changes and bug fixes.
 
      There are new options to the file command for 
 copying files (file copy),
      deleting files and directories (file delete), 
 creating directories (file
-     mkdir), and renaming files (file rename). 
+     mkdir), and renaming files (file rename).
      The implementation of exec has been improved great
 ly for Windows 95 and
-     Windows NT. 
+     Windows NT.
      There is a new memory allocator for the Macintosh 
 version, which should be
-     more efficient than the old one. 
+     more efficient than the old one.
      Tk's grid geometry manager has been completely 
 rewritten. The layout
      algorithm produces much better layouts than before
 , especially where rows or
-     columns were stretchable. 
+     columns were stretchable.
      There are new commands for creating common dialog 
 boxes:
      tk_chooseColor, tk_getOpenFile, tk_getSaveFile and
@@ -544,13 +544,13 @@ they are available.
 g events in a more portable
      way. See the new command event. It also allows 
 events (both physical and
-     virtual) to be generated dynamically. 
+     virtual) to be generated dynamically.
 
 Tcl 7.6 and Tk 4.2 are backwards-compatible with Tcl 
 7.5 and Tk 4.1 except for
 changes in the C APIs for custom channel drivers. Scrip
 ts written for earlier releases
-should work on these new releases as well. 
+should work on these new releases as well.
 
 Obtaining The Releases
 
@@ -564,7 +564,7 @@ platforms:
 execute it. The file is a
      self-extracting executable. It will install the 
 Tcl and Tk libraries, the wish and
-     tclsh programs, and documentation. 
+     tclsh programs, and documentation.
      Macintosh (both 68K and PowerPC): Fetch
      ftp://ftp.sunlabs.com/pub/tcl/mactk4.2b1.sea.hqx. 
 The file is in binhex format,
diff --git a/tests/history.test b/tests/history.test
index c562796..1a255a4 100644
--- a/tests/history.test
+++ b/tests/history.test
@@ -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.
-  
+
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
     namespace import -force ::tcltest::*
diff --git a/tests/httpd b/tests/httpd
index 232e80a..c934fac 100644
--- a/tests/httpd
+++ b/tests/httpd
@@ -205,7 +205,7 @@ proc httpdRespond { sock } {
     }
 
     # Catch errors from premature client closes
-    
+
     catch {
 	if {$data(proto) == "HEAD"} {
 	    puts $sock "HTTP/1.0 200 OK"
diff --git a/tests/httpold.test b/tests/httpold.test
index aeba311..5995bed 100644
--- a/tests/httpold.test
+++ b/tests/httpold.test
@@ -36,7 +36,7 @@ if {[catch {package require http 1.0}]} {
 set bindata "This is binary data\x0d\x0amore\x0dmore\x0amore\x00null"
 catch {unset data}
 
-## 
+##
 ## The httpd script implement a stub http server
 ##
 source [file join [file dirname [info script]] httpd]
diff --git a/tests/info.test b/tests/info.test
index 3057dd2..60b9e66 100644
--- a/tests/info.test
+++ b/tests/info.test
@@ -2099,7 +2099,7 @@ proc foo::bar {} {
     foreach {*}{
 	x y
 	{set res [info frame 0]}
-    } 
+    }
     return $res
 }
 test info-33.13 {{*}, literal, simple, bytecompiled} -body {
@@ -2114,7 +2114,7 @@ proc foo::bar {} {
     if {*}{
 	{[return [info frame 0]]}
 	{}
-    } 
+    }
 }
 test info-33.14 {{*}, literal, simple, bytecompiled} -body {
     reduce [foo::bar]
@@ -2128,7 +2128,7 @@ proc foo::bar {} {
     if 0 {*}{
 	{} else
 	{return [info frame 0]}
-    } 
+    }
 }
 test info-33.15 {{*}, literal, simple, bytecompiled} -body {
     reduce [foo::bar]
@@ -2229,7 +2229,7 @@ namespace eval foo {}
 proc foo::bar {} {
     try {*}{
 	{set res [info frame 0]}
-    } 
+    }
     return $res
 }
 test info-33.23 {{*}, literal, simple, bytecompiled} -body {
diff --git a/tests/init.test b/tests/init.test
index 41b8624..0241283 100644
--- a/tests/init.test
+++ b/tests/init.test
@@ -28,7 +28,7 @@ test init-1.2 {auto_qualify - absolute cmd - global} {
 } global
 test init-1.3 {auto_qualify - no colons cmd - global} {
     auto_qualify nocolons ::
-} nocolons 
+} nocolons
 test init-1.4 {auto_qualify - no colons cmd - namespace} {
     auto_qualify nocolons ::sub
 } {::sub::nocolons nocolons}
@@ -93,11 +93,11 @@ test init-2.5 {load safe:::setLogCmd - stage 2} {
 auto_reset
 catch {rename ::safe::setLogCmd {}}
 test init-2.6 {load setLogCmd from safe:: - stage 1} {
-    namespace eval safe setLogCmd 
+    namespace eval safe setLogCmd
     rename ::safe::setLogCmd {}  ;# should not fail
 } {}
 test init-2.7 {oad setLogCmd from safe::  - stage 2} {
-    namespace eval safe setLogCmd 
+    namespace eval safe setLogCmd
     rename ::safe::setLogCmd {}  ;# should not fail
 } {}
 test init-2.8 {load tcl::HistAdd} -setup {
@@ -132,12 +132,12 @@ foreach arg [subst -nocommands -novariables {
                 and is long enough to be truncated and
 "               <- includes a false lead in the prune point search
                 and must be longer still to force truncation}
-                {contrived example: rare circumstance 
+                {contrived example: rare circumstance
 		where the point at which to prune the
 		error stack cannot be uniquely determined.
 		foo bar foo
 "}
-    {contrived example: rare circumstance 
+    {contrived example: rare circumstance
 		where the point at which to prune the
 		error stack cannot be uniquely determined.
 		foo bar
diff --git a/tests/interp.test b/tests/interp.test
index 4bc9fe2..6c9fb56 100644
--- a/tests/interp.test
+++ b/tests/interp.test
@@ -56,7 +56,7 @@ test interp-1.8 {options for interp command} -returnCodes error -body {
 } -result {bad option "-froboz": must be alias, aliases, bgerror, cancel, create, debug, delete, eval, exists, expose, hide, hidden, issafe, invokehidden, limit, marktrusted, recursionlimit, slaves, share, target, or transfer}
 test interp-1.9 {options for interp command} -returnCodes error -body {
     interp -froboz -safe
-} -result {bad option "-froboz": must be alias, aliases, bgerror, cancel, create, debug, delete, eval, exists, expose, hide, hidden, issafe, invokehidden, limit, marktrusted, recursionlimit, slaves, share, target, or transfer} 
+} -result {bad option "-froboz": must be alias, aliases, bgerror, cancel, create, debug, delete, eval, exists, expose, hide, hidden, issafe, invokehidden, limit, marktrusted, recursionlimit, slaves, share, target, or transfer}
 test interp-1.10 {options for interp command} -returnCodes error -body {
     interp target
 } -result {wrong # args: should be "interp target path alias"}
@@ -70,7 +70,7 @@ test interp-2.2 {basic interpreter creation} {
 } 0
 test interp-2.3 {basic interpreter creation} {
     catch {interp create -safe}
-} 0 
+} 0
 test interp-2.4 {basic interpreter creation} {
     list [catch {interp create a} msg] $msg
 } {1 {interpreter named "a" already exists, cannot create}}
@@ -102,7 +102,7 @@ test interp-2.11 {anonymous interps vs existing procs} {
     set x [interp create]
     regexp "interp(\[0-9]+)" $x dummy anothernum
     expr $anothernum > $thenum
-} 1    
+} 1
 test interp-2.12 {anonymous interps vs existing procs} {
     set x [interp create -safe]
     regexp "interp(\[0-9]+)" $x dummy thenum
@@ -844,12 +844,12 @@ test interp-18.9 {eval in deleted interp, bug 495830} {
     interp create tst
     interp alias tst suicide {} interp delete tst
     list [catch {tst eval {suicide; set a 5}} msg] $msg
-} {1 {attempt to call eval in deleted interpreter}}     
+} {1 {attempt to call eval in deleted interpreter}}
 test interp-18.10 {eval in deleted interp, bug 495830} {
     interp create tst
     interp alias tst suicide {} interp delete tst
     list [catch {tst eval {set set set; suicide; $set a 5}} msg] $msg
-} {1 {attempt to call eval in deleted interpreter}}     
+} {1 {attempt to call eval in deleted interpreter}}
 
 # Test alias deletion
 
@@ -939,7 +939,7 @@ test interp-19.9 {alias deletion, renaming} {
     set l [interp eval a foo]
     interp delete a
     set l
-} 1156    
+} 1156
 
 test interp-20.1 {interp hide, interp expose and interp invokehidden} {
     set a [interp create]
@@ -1160,7 +1160,7 @@ test interp-20.21 {interp hide vs safety} {
     catch {interp delete a}
     interp create a -safe
     set l ""
-    lappend l [catch {a hide list} msg]    
+    lappend l [catch {a hide list} msg]
     lappend l $msg
     interp delete a
     set l
@@ -1169,7 +1169,7 @@ test interp-20.22 {interp hide vs safety} {
     catch {interp delete a}
     interp create a -safe
     set l ""
-    lappend l [catch {interp hide a list} msg]    
+    lappend l [catch {interp hide a list} msg]
     lappend l $msg
     interp delete a
     set l
@@ -1178,7 +1178,7 @@ test interp-20.23 {interp hide vs safety} {
     catch {interp delete a}
     interp create a -safe
     set l ""
-    lappend l [catch {a eval {interp hide {} list}} msg]    
+    lappend l [catch {a eval {interp hide {} list}} msg]
     lappend l $msg
     interp delete a
     set l
@@ -1188,7 +1188,7 @@ test interp-20.24 {interp hide vs safety} {
     interp create a -safe
     interp create {a b}
     set l ""
-    lappend l [catch {a eval {interp hide b list}} msg]    
+    lappend l [catch {a eval {interp hide b list}} msg]
     lappend l $msg
     interp delete a
     set l
@@ -1207,7 +1207,7 @@ test interp-20.26 {interp expoose vs safety} {
     catch {interp delete a}
     interp create a -safe
     set l ""
-    lappend l [catch {a hide list} msg]    
+    lappend l [catch {a hide list} msg]
     lappend l $msg
     lappend l [catch {a expose list} msg]
     lappend l $msg
@@ -1218,9 +1218,9 @@ test interp-20.27 {interp expose vs safety} {
     catch {interp delete a}
     interp create a -safe
     set l ""
-    lappend l [catch {interp hide a list} msg]    
+    lappend l [catch {interp hide a list} msg]
     lappend l $msg
-    lappend l [catch {interp expose a list} msg]    
+    lappend l [catch {interp expose a list} msg]
     lappend l $msg
     interp delete a
     set l
@@ -1229,7 +1229,7 @@ test interp-20.28 {interp expose vs safety} {
     catch {interp delete a}
     interp create a -safe
     set l ""
-    lappend l [catch {a hide list} msg]    
+    lappend l [catch {a hide list} msg]
     lappend l $msg
     lappend l [catch {a eval {interp expose {} list}} msg]
     lappend l $msg
@@ -1240,9 +1240,9 @@ test interp-20.29 {interp expose vs safety} {
     catch {interp delete a}
     interp create a -safe
     set l ""
-    lappend l [catch {interp hide a list} msg]    
+    lappend l [catch {interp hide a list} msg]
     lappend l $msg
-    lappend l [catch {a eval {interp expose {} list}} msg]    
+    lappend l [catch {a eval {interp expose {} list}} msg]
     lappend l $msg
     interp delete a
     set l
@@ -1252,9 +1252,9 @@ test interp-20.30 {interp expose vs safety} {
     interp create a -safe
     interp create {a b}
     set l ""
-    lappend l [catch {interp hide {a b} list} msg]    
+    lappend l [catch {interp hide {a b} list} msg]
     lappend l $msg
-    lappend l [catch {a eval {interp expose b list}} msg]    
+    lappend l [catch {a eval {interp expose b list}} msg]
     lappend l $msg
     interp delete a
     set l
@@ -1264,7 +1264,7 @@ test interp-20.31 {interp expose vs safety} {
     interp create a -safe
     interp create {a b}
     set l ""
-    lappend l [catch {interp hide {a b} list} msg]    
+    lappend l [catch {interp hide {a b} list} msg]
     lappend l $msg
     lappend l [catch {interp expose {a b} list} msg]
     lappend l $msg
@@ -1644,7 +1644,7 @@ test interp-21.5 {interp hidden} -setup {
     lsort [interp hidden a]
 } -cleanup {
     interp delete a
-} -result $hidden_cmds 
+} -result $hidden_cmds
 test interp-21.6 {interp hidden vs interp hide, interp expose} -setup {
     catch {interp delete a}
     set l ""
@@ -2168,7 +2168,7 @@ test interp-27.1 {interp aliases & namespaces} -setup {
     set i [interp create]
 } -body {
     set aliasTrace {}
-    proc tstAlias {args} { 
+    proc tstAlias {args} {
 	global aliasTrace
 	lappend aliasTrace [list [namespace current] $args]
     }
@@ -2182,7 +2182,7 @@ test interp-27.2 {interp aliases & namespaces} -setup {
     set i [interp create]
 } -body {
     set aliasTrace {}
-    proc tstAlias {args} { 
+    proc tstAlias {args} {
 	global aliasTrace
 	lappend aliasTrace [list [namespace current] $args]
     }
@@ -2196,7 +2196,7 @@ test interp-27.3 {interp aliases & namespaces} -setup {
     set i [interp create]
 } -body {
     set aliasTrace {}
-    proc tstAlias {args} { 
+    proc tstAlias {args} {
 	global aliasTrace
 	lappend aliasTrace [list [namespace current] $args]
     }
@@ -2212,7 +2212,7 @@ test interp-27.4 {interp aliases & namespaces} -setup {
 } -body {
     namespace eval foo2 {
 	variable aliasTrace {}
-	proc bar {args} { 
+	proc bar {args} {
 	    variable aliasTrace
 	    lappend aliasTrace [list [namespace current] $args]
 	}
@@ -3289,7 +3289,7 @@ test interp-34.9 {time limits trigger in blocking after} {
     } msg]
     set t1 [clock seconds]
     interp delete $i
-    list $code $msg [expr {($t1-$t0) < 3 ? "OK" : $t1-$t0}] 
+    list $code $msg [expr {($t1-$t0) < 3 ? "OK" : $t1-$t0}]
 } {1 {time limit exceeded} OK}
 test interp-34.10 {time limits trigger in vwaits: Bug 1221395} -body {
     set i [interp create]
@@ -3523,7 +3523,7 @@ test interp-35.24 {interp time limits can't touch current interp} -body {
 test interp-36.1 {interp bgerror syntax} -body {
     interp bgerror
 } -returnCodes error -result {wrong # args: should be "interp bgerror path ?cmdPrefix?"}
-test interp-36.2 {interp bgerror syntax} -body { 
+test interp-36.2 {interp bgerror syntax} -body {
     interp bgerror x y z
 } -returnCodes error -result {wrong # args: should be "interp bgerror path ?cmdPrefix?"}
 test interp-36.3 {interp bgerror syntax} -setup {
diff --git a/tests/io.test b/tests/io.test
index 6b6ad6d..46856b6 100644
--- a/tests/io.test
+++ b/tests/io.test
@@ -123,10 +123,10 @@ test io-1.8 {Tcl_WriteChars: WriteChars} {
     # applied to tcl will cause tcl, more specifically WriteChars, to
     # go into an infinite loop.
 
-    set f [open $path(test2) w] 
-    fconfigure      $f -encoding iso2022-jp 
-    puts -nonewline $f [format %s%c [string repeat " " 4] 12399] 
-    close           $f 
+    set f [open $path(test2) w]
+    fconfigure      $f -encoding iso2022-jp
+    puts -nonewline $f [format %s%c [string repeat " " 4] 12399]
+    close           $f
     contents $path(test2)
 } "    \x1b\$B\$O\x1b(B"
 
@@ -192,7 +192,7 @@ test io-1.9 {Tcl_WriteChars: WriteChars} {
 
 test io-2.1 {WriteBytes} {
     # loop until all bytes are written
-    
+
     set f [open $path(test1) w]
     fconfigure $f  -encoding binary -buffersize 16 -translation crlf
     puts $f "abcdefghijklmnopqrstuvwxyz"
@@ -214,7 +214,7 @@ test io-2.3 {WriteBytes: flush on line} {
     # Tcl "line" buffering has weird behavior: if current buffer contains
     # a \n, entire buffer gets flushed.  Logical behavior would be to flush
     # only up to the \n.
-    
+
     set f [open $path(test1) w]
     fconfigure $f -encoding binary -buffering line -translation crlf
     puts -nonewline $f "\n12"
@@ -234,7 +234,7 @@ test io-2.4 {WriteBytes: reset sawLF after each buffer} {
 
 test io-3.1 {WriteChars: compatibility with WriteBytes} {
     # loop until all bytes are written
-    
+
     set f [open $path(test1) w]
     fconfigure $f -encoding ascii -buffersize 16 -translation crlf
     puts $f "abcdefghijklmnopqrstuvwxyz"
@@ -256,7 +256,7 @@ test io-3.3 {WriteChars: compatibility with WriteBytes: flush on line} {
     # Tcl "line" buffering has weird behavior: if current buffer contains
     # a \n, entire buffer gets flushed.  Logical behavior would be to flush
     # only up to the \n.
-    
+
     set f [open $path(test1) w]
     fconfigure $f -encoding ascii -buffering line -translation crlf
     puts -nonewline $f "\n12"
@@ -268,7 +268,7 @@ test io-3.4 {WriteChars: loop over stage buffer} {
     # stage buffer maps to more than can be queued at once.
 
     set f [open $path(test1) w]
-    fconfigure $f -encoding jis0208 -buffersize 16 
+    fconfigure $f -encoding jis0208 -buffersize 16
     puts -nonewline $f "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
     set x [list [contents $path(test1)]]
     close $f
@@ -280,7 +280,7 @@ test io-3.5 {WriteChars: saved != 0} {
     # requested buffersize.
 
     set f [open $path(test1) w]
-    fconfigure $f -encoding jis0208 -buffersize 17 
+    fconfigure $f -encoding jis0208 -buffersize 17
     puts -nonewline $f "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
     set x [list [contents $path(test1)]]
     close $f
@@ -311,7 +311,7 @@ test io-3.7 {WriteChars: (bufPtr->nextAdded > bufPtr->length)} {
     # of the next channel buffer.
 
     set f [open $path(test1) w]
-    fconfigure $f -encoding jis0208 -buffersize 17 
+    fconfigure $f -encoding jis0208 -buffersize 17
     puts -nonewline $f "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
     set x [list [contents $path(test1)]]
     close $f
@@ -381,7 +381,7 @@ test io-4.5 {TranslateOutputEOL: crlf} {
 
 test io-5.1 {CheckFlush: not full} {
     set f [open $path(test1) w]
-    fconfigure $f 
+    fconfigure $f
     puts -nonewline $f "12345678901234567890"
     set x [list [contents $path(test1)]]
     close $f
@@ -470,7 +470,7 @@ set a "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
 append a $a
 append a $a
 test io-6.6 {Tcl_GetsObj: loop test} {
-    # if (dst >= dstEnd) 
+    # if (dst >= dstEnd)
 
     set f [open $path(test1) w]
     puts $f $a
@@ -769,7 +769,7 @@ test io-6.32 {Tcl_GetsObj: crlf mode: buffer exhausted, more data} {testchannel}
 } [list 15 "123456789012345" 17 3]
 test io-6.33 {Tcl_GetsObj: crlf mode: buffer exhausted, at eof} {
     # eol still equals dstEnd
-    
+
     set f [open $path(test1) w]
     fconfigure $f -translation lf
     puts -nonewline $f "123456789012345\r"
@@ -781,8 +781,8 @@ test io-6.33 {Tcl_GetsObj: crlf mode: buffer exhausted, at eof} {
     set x
 } [list 16 "123456789012345\r" 1]
 test io-6.34 {Tcl_GetsObj: crlf mode: buffer exhausted, not followed by \n} {
-    # not (*eol == '\n') 
-    
+    # not (*eol == '\n')
+
     set f [open $path(test1) w]
     fconfigure $f -translation lf
     puts -nonewline $f "123456789012345\rabcd\r\nefg"
@@ -889,7 +889,7 @@ test io-6.43 {Tcl_GetsObj: input saw cr} {stdio testchannel openpipe fileevent}
     fconfigure $f -buffersize 16
     set x [list [gets $f]]
     fconfigure $f -blocking 0
-    lappend x [gets $f line] $line [testchannel queuedcr $f] 
+    lappend x [gets $f line] $line [testchannel queuedcr $f]
     fconfigure $f -blocking 1
     puts -nonewline $f "\nabcd\refg\x1a"
     lappend x [gets $f line] $line [testchannel queuedcr $f]
@@ -898,7 +898,7 @@ test io-6.43 {Tcl_GetsObj: input saw cr} {stdio testchannel openpipe fileevent}
     set x
 } [list "bbbbbbbbbbbbbbb" 15 "123456789abcdef" 1 4 "abcd" 0 3 "efg"]
 test io-6.44 {Tcl_GetsObj: input saw cr, not followed by cr} {stdio testchannel openpipe fileevent} {
-    # not (*eol == '\n') 
+    # not (*eol == '\n')
 
     set f [open "|[list [interpreter] $path(cat)]" w+]
     fconfigure $f -translation {auto lf} -buffering none
@@ -906,7 +906,7 @@ test io-6.44 {Tcl_GetsObj: input saw cr, not followed by cr} {stdio testchannel
     fconfigure $f -buffersize 16
     set x [list [gets $f]]
     fconfigure $f -blocking 0
-    lappend x [gets $f line] $line [testchannel queuedcr $f] 
+    lappend x [gets $f line] $line [testchannel queuedcr $f]
     fconfigure $f -blocking 1
     puts -nonewline $f "abcd\refg\x1a"
     lappend x [gets $f line] $line [testchannel queuedcr $f]
@@ -959,10 +959,10 @@ test io-6.47 {Tcl_GetsObj: auto mode: \r at end of buffer, peek for \n} {testcha
     set x [list [gets $f] [testchannel inputbuffered $f]]
     close $f
     set x
-} [list "123456789012345" 15]    
+} [list "123456789012345" 15]
 test io-6.48 {Tcl_GetsObj: auto mode: \r at end of buffer, no more avail} {testchannel} {
     # PeekAhead() did not get any, so (eol >= dstEnd)
-    
+
     set f [open $path(test1) w]
     fconfigure $f -translation lf
     puts -nonewline $f "123456789012345\r"
@@ -975,7 +975,7 @@ test io-6.48 {Tcl_GetsObj: auto mode: \r at end of buffer, no more avail} {testc
 } [list "123456789012345" 1]
 test io-6.49 {Tcl_GetsObj: auto mode: \r followed by \n} {testchannel} {
     # if (*eol == '\n') {skip++}
-    
+
     set f [open $path(test1) w]
     fconfigure $f -translation lf
     puts -nonewline $f "123456\r\n78901"
@@ -986,8 +986,8 @@ test io-6.49 {Tcl_GetsObj: auto mode: \r followed by \n} {testchannel} {
     set x
 } [list "123456" 0 8 "78901"]
 test io-6.50 {Tcl_GetsObj: auto mode: \r not followed by \n} {testchannel} {
-    # not (*eol == '\n') 
-    
+    # not (*eol == '\n')
+
     set f [open $path(test1) w]
     fconfigure $f -translation lf
     puts -nonewline $f "123456\r78901"
@@ -999,7 +999,7 @@ test io-6.50 {Tcl_GetsObj: auto mode: \r not followed by \n} {testchannel} {
 } [list "123456" 0 7 "78901"]
 test io-6.51 {Tcl_GetsObj: auto mode: \n} {
     # else if (*eol == '\n') {goto gotoeol;}
-    
+
     set f [open $path(test1) w]
     fconfigure $f -translation lf
     puts -nonewline $f "123456\n78901"
@@ -1092,7 +1092,7 @@ test io-7.1 {FilterInputBytes: split up character at end of buffer} {
 } "1234567890123\uff10\uff11\uff12\uff13\uff14"
 test io-7.2 {FilterInputBytes: split up character in middle of buffer} {
     # (bufPtr->nextAdded < bufPtr->bufLength)
-    
+
     set f [open $path(test1) w]
     fconfigure $f -encoding binary
     puts -nonewline $f "1234567890\n123\x82\x4f\x82\x50\x82"
@@ -1201,7 +1201,7 @@ test io-8.4 {PeekAhead: cached data available in this buffer} {
 
     set x [gets $f]
     close $f
-    set x    
+    set x
 } $a
 unset a
 test io-8.5 {PeekAhead: don't peek if last read was short} {stdio testchannel openpipe fileevent} {
@@ -1217,7 +1217,7 @@ test io-8.5 {PeekAhead: don't peek if last read was short} {stdio testchannel op
     set x
 } {15 abcdefghijklmno 1}
 test io-8.6 {PeekAhead: change to non-blocking mode} {stdio testchannel openpipe fileevent} {
-    # ((chanPtr->flags & CHANNEL_NONBLOCKING) == 0) 
+    # ((chanPtr->flags & CHANNEL_NONBLOCKING) == 0)
 
     set f [open "|[list [interpreter] $path(cat)]" w+]
     fconfigure $f -translation {auto binary} -buffersize 16
@@ -1574,7 +1574,7 @@ test io-13.2 {TranslateInputEOL: crlf mode} {
     set x
 } "abcd\ndef\n"
 test io-13.3 {TranslateInputEOL: crlf mode: naked cr} {
-    # (src >= srcMax) 
+    # (src >= srcMax)
 
     set f [open $path(test1) w]
     fconfigure $f -translation lf
@@ -1587,7 +1587,7 @@ test io-13.3 {TranslateInputEOL: crlf mode: naked cr} {
     set x
 } "abcd\ndef\r"
 test io-13.4 {TranslateInputEOL: crlf mode: cr followed by not \n} {
-    # (src >= srcMax) 
+    # (src >= srcMax)
 
     set f [open $path(test1) w]
     fconfigure $f -translation lf
@@ -1600,7 +1600,7 @@ test io-13.4 {TranslateInputEOL: crlf mode: cr followed by not \n} {
     set x
 } "abcd\ndef\rfgh"
 test io-13.5 {TranslateInputEOL: crlf mode: naked lf} {
-    # (src >= srcMax) 
+    # (src >= srcMax)
 
     set f [open $path(test1) w]
     fconfigure $f -translation lf
@@ -1715,7 +1715,7 @@ test io-13.9 {TranslateInputEOL: auto mode: \r followed by not \n} {
     set x
 } "abcd\ndef"
 test io-13.10 {TranslateInputEOL: auto mode: \n} {
-    # not (*src == '\r') 
+    # not (*src == '\r')
 
     set f [open $path(test1) w]
     fconfigure $f -translation lf
@@ -2064,7 +2064,7 @@ test io-20.1 {Tcl_CreateChannel: initial settings} {
     encoding system $old
 	close $a
     set x
-} {ascii}    
+} {ascii}
 test io-20.2 {Tcl_CreateChannel: initial settings} {win} {
     set f [open $path(test1) w+]
     set x [list [fconfigure $f -eofchar] [fconfigure $f -translation]]
@@ -2159,7 +2159,7 @@ test io-26.1 {Tcl_GetChannelInstanceData} {stdio openpipe} {
     set f [open "|[list [interpreter] << exit]"]
     expr [pid $f]
     close $f
-} {}    
+} {}
 
 # Test flushing. The functions tested here are FlushChannel.
 
@@ -3057,7 +3057,7 @@ test io-30.6 {Tcl_Write cr, Tcl_Read crlf} {
     fconfigure $f -translation crlf
     set x [read $f]
     close $f
-    set x 
+    set x
 } "hello\rthere\rand\rhere\r"
 test io-30.7 {Tcl_Write crlf, Tcl_Read crlf} {
     file delete $path(test1)
@@ -3985,7 +3985,7 @@ test io-31.31 {Tcl_Write crlf on block boundary, Tcl_Gets crlf} {
     }
     close $f
     set f [open $path(test1) r]
-    fconfigure $f -translation crlf 
+    fconfigure $f -translation crlf
     set c ""
     while {[gets $f line] >= 0} {
 	append c $line\n
@@ -5467,7 +5467,7 @@ test io-39.13 {Tcl_SetChannelOption, Tcl_GetChannelOption, buffer size} {
 test io-39.14 {Tcl_SetChannelOption: -encoding, binary & utf-8} {
     file delete $path(test1)
     set f [open $path(test1) w]
-    fconfigure $f -encoding {} 
+    fconfigure $f -encoding {}
     puts -nonewline $f \xe7\x89\xa6
     close $f
     set f [open $path(test1) r]
diff --git a/tests/ioTrans.test b/tests/ioTrans.test
index e179eab..63a609f 100644
--- a/tests/ioTrans.test
+++ b/tests/ioTrans.test
@@ -1318,7 +1318,7 @@ proc inthread {chan script args} {
     # forwarded channel operations.
 
     set ::tres ""
-    thread::send -async $tid {	
+    thread::send -async $tid {
 	after 50
 	catch {s} res;	# This runs the script, 's' was defined at (*)
 	thread::send -async $mid [list set ::tres $res]
diff --git a/tests/iogt.test b/tests/iogt.test
index 1ed89f7..aa579bf 100644
--- a/tests/iogt.test
+++ b/tests/iogt.test
@@ -5,7 +5,7 @@
 #
 # See the file "license.terms" for information on usage and redistribution of
 # this file, and for a DISCLAIMER OF ALL WARRANTIES.
-# 
+#
 # Copyright (c) 2000 Ajuba Solutions.
 # Copyright (c) 2000 Andreas Kupries.
 # All rights reserved.
diff --git a/tests/lindex.test b/tests/lindex.test
index b86e2e0..29eb898 100644
--- a/tests/lindex.test
+++ b/tests/lindex.test
@@ -432,7 +432,7 @@ test lindex-16.7 {data reuse} {
 test lindex-17.0 {Bug 1718580} {*}{
     -body {
         lindex {} end foo
-    } 
+    }
     -match glob
     -result {bad index "foo"*}
     -returnCodes 1
@@ -441,7 +441,7 @@ test lindex-17.0 {Bug 1718580} {*}{
 test lindex-17.1 {Bug 1718580} {*}{
     -body {
         lindex a end foo
-    } 
+    }
     -match glob
     -result {bad index "foo"*}
     -returnCodes 1
diff --git a/tests/lmap.test b/tests/lmap.test
index 08035d9..641eac2 100644
--- a/tests/lmap.test
+++ b/tests/lmap.test
@@ -220,10 +220,10 @@ test lmap-4.14 {lmap errors} -returnCodes error -body {
 } -result {list element in braces followed by "3" instead of space}
 unset -nocomplain a
 test lmap-4.15 {lmap errors} {
-    apply {{} { 
+    apply {{} {
 	set a(0) 44
-	list [catch {lmap a {1 2 3} {}} msg o] $msg $::errorInfo 
-    }} 
+	list [catch {lmap a {1 2 3} {}} msg o] $msg $::errorInfo
+    }}
 } {1 {can't set "a": variable is array} {can't set "a": variable is array
     while executing
 "lmap a {1 2 3} {}"}}
diff --git a/tests/lrange.test b/tests/lrange.test
index 17a757e..02b9c65 100644
--- a/tests/lrange.test
+++ b/tests/lrange.test
@@ -63,7 +63,7 @@ test lrange-1.15 {range of list elements} {
 } {"a b \{\ "}
 # emacs highlighting bug workaround --> "
 test lrange-1.16 {list element quoting} {
-    lrange {[append a .b]} 0 end    
+    lrange {[append a .b]} 0 end
 } {{[append} a .b\]}
 
 test lrange-2.1 {error conditions} {
diff --git a/tests/lrepeat.test b/tests/lrepeat.test
index 788bb9b..e89f1b7 100644
--- a/tests/lrepeat.test
+++ b/tests/lrepeat.test
@@ -40,7 +40,7 @@ test lrepeat-1.4 {error cases} {
 	lrepeat -3 1
     }
     -returnCodes 1
-    -result {bad count "-3": must be integer >= 0} 
+    -result {bad count "-3": must be integer >= 0}
 }
 test lrepeat-1.5 {Accept zero repetitions (TIP 323)} {
     -body {
@@ -53,7 +53,7 @@ test lrepeat-1.6 {error cases} {
 	lrepeat 3.5 1
     }
     -returnCodes 1
-    -result {expected integer but got "3.5"} 
+    -result {expected integer but got "3.5"}
 }
 test lrepeat-1.7 {Accept zero repetitions (TIP 323)} {
     -body {
diff --git a/tests/lreplace.test b/tests/lreplace.test
index e66a331..d7f8226 100644
--- a/tests/lreplace.test
+++ b/tests/lreplace.test
@@ -98,7 +98,12 @@ test lreplace-1.26 {lreplace command} {
         [set foo [lreplace $foo end end]] \
         [set foo [lreplace $foo end end]]
 } {a {} {}}
-
+test lreplace-1.27 {lreplace command} {
+    lreplace x 1 1
+} x
+test lreplace-1.28 {lreplace command} {
+    lreplace x 1 1 y
+} {x y}
 
 test lreplace-2.1 {lreplace errors} {
     list [catch lreplace msg] $msg
@@ -119,8 +124,8 @@ test lreplace-2.6 {lreplace errors} {
     list [catch {lreplace x 3 2} msg] $msg
 } {1 {list doesn't contain element 3}}
 test lreplace-2.7 {lreplace errors} {
-    list [catch {lreplace x 1 1} msg] $msg
-} {1 {list doesn't contain element 1}}
+    list [catch {lreplace x 2 2} msg] $msg
+} {1 {list doesn't contain element 2}}
 
 test lreplace-3.1 {lreplace won't modify shared argument objects} {
     proc p {} {
@@ -181,6 +186,49 @@ test lreplace-4.11 {lreplace end index first} {
 test lreplace-4.12 {lreplace end index first} {
     lreplace {0 1 2 3 4} end-2 2 a b c
 } {0 1 a b c 3 4}
+test lreplace-4.13 {lreplace empty list} {
+    lreplace {} 1 1 1
+} 1
+test lreplace-4.14 {lreplace empty list} {
+    lreplace {} 2 2 2
+} 2
+
+test lreplace-5.1 {compiled lreplace: Bug 47ac84309b} {
+    apply {x {
+	lreplace $x end 0
+    }} {a b c}
+} {a b c}
+test lreplace-5.2 {compiled lreplace: Bug 47ac84309b} {
+    apply {x {
+	lreplace $x end 0 A
+    }} {a b c}
+} {a b A c}
+
+# Testing for compiled behaviour. Far too many variations to check with
+# spelt-out tests. Note that this *just* checks whether the compiled version
+# and the interpreted version are the same, not whether the interpreted
+# version is correct.
+apply {{} {
+    set lss     {{} {a} {a b c} {a b c d}}
+    set ins     {{} A {A B}}
+    set idxs    {-2 -1 0 1 2 3 end-3 end-2 end-1 end end+1 end+2}
+    set lreplace lreplace
+
+    foreach ls $lss {
+	foreach a $idxs {
+	    foreach b $idxs {
+		foreach i $ins {
+		    set expected [list [catch {$lreplace $ls $a $b {*}$i} m] $m]
+		    set tester [list lreplace $ls $a $b {*}$i]
+		    set script [list catch $tester m]
+		    set script "list \[$script\] \$m"
+		    test lreplace-6.[incr n] {lreplace battery} \
+			[list apply [list {} $script]] $expected
+		}
+	    }
+	}
+    }
+}}
 
 # cleanup
 catch {unset foo}
diff --git a/tests/lsearch.test b/tests/lsearch.test
index f36e987..b2c1812 100644
--- a/tests/lsearch.test
+++ b/tests/lsearch.test
@@ -404,16 +404,16 @@ test lsearch-17.2 {lsearch -index option, basic functionality} {
     lsearch -index 1 -exact {{a c} {a b} {a a}} a
 } 2
 test lsearch-17.3 {lsearch -index option, basic functionality} {
-    lsearch -index 1 -glob {{ab cb} {ab bb} {ab ab}} b* 
+    lsearch -index 1 -glob {{ab cb} {ab bb} {ab ab}} b*
 } 1
 test lsearch-17.4 {lsearch -index option, basic functionality} {
     lsearch -index 1 -regexp {{ab cb} {ab bb} {ab ab}} {[cb]b}
-} 0 
+} 0
 test lsearch-17.5 {lsearch -index option, basic functionality} {
     lsearch -all -index 0 -exact {{a c} {a b} {d a}} a
 } {0 1}
 test lsearch-17.6 {lsearch -index option, basic functionality} {
-    lsearch -all -index 1 -glob {{ab cb} {ab bb} {db bx}} b* 
+    lsearch -all -index 1 -glob {{ab cb} {ab bb} {db bx}} b*
 } {1 2}
 test lsearch-17.7 {lsearch -index option, basic functionality} {
     lsearch -all -index 1 -regexp {{ab cb} {ab bb} {ab ab}} {[cb]b}
@@ -426,11 +426,11 @@ test lsearch-18.2 {lsearch -index option, list as index basic functionality} {
     lsearch -index {2 0} -exact {{{x x} {x b} {a d}} {{a c} {a b} {a a}}} a
 } 0
 test lsearch-18.3 {lsearch -index option, list as index basic functionality} {
-    lsearch -index {1 1} -glob {{{ab cb} {ab bb} {ab ab}} {{ab cb} {ab bb} {ab ab}}} b* 
+    lsearch -index {1 1} -glob {{{ab cb} {ab bb} {ab ab}} {{ab cb} {ab bb} {ab ab}}} b*
 } 0
 test lsearch-18.4 {lsearch -index option, list as index basic functionality} {
     lsearch -index {0 1} -regexp {{{ab cb} {ab bb} {ab ab}} {{ab cb} {ab bb} {ab ab}}} {[cb]b}
-} 0 
+} 0
 test lsearch-18.5 {lsearch -index option, list as index basic functionality} {
     lsearch -all -index {0 0} -exact {{{a c} {a b} {d a}} {{a c} {a b} {d a}}} a
 } {0 1}
@@ -442,11 +442,11 @@ test lsearch-19.2 {lsearch -sunindices option} {
     lsearch -subindices -index {2 0} -exact {{{x x} {x b} {a d}} {{a c} {a b} {a a}}} a
 } {0 2 0}
 test lsearch-19.3 {lsearch -sunindices option} {
-    lsearch -subindices -index {1 1} -glob {{{ab cb} {ab bb} {ab ab}} {{ab cb} {ab bb} {ab ab}}} b* 
+    lsearch -subindices -index {1 1} -glob {{{ab cb} {ab bb} {ab ab}} {{ab cb} {ab bb} {ab ab}}} b*
 } {0 1 1}
 test lsearch-19.4 {lsearch -sunindices option} {
     lsearch -subindices -index {0 1} -regexp {{{ab cb} {ab bb} {ab ab}} {{ab cb} {ab bb} {ab ab}}} {[cb]b}
-} {0 0 1} 
+} {0 0 1}
 test lsearch-19.5 {lsearch -sunindices option} {
     lsearch -subindices -all -index {0 0} -exact {{{a c} {a b} {d a}} {{a c} {a b} {d a}}} a
 } {{0 0 0} {1 0 0}}
diff --git a/tests/lsetComp.test b/tests/lsetComp.test
index 6846cbf..6330de4 100644
--- a/tests/lsetComp.test
+++ b/tests/lsetComp.test
@@ -22,7 +22,7 @@ if {[lsearch [namespace children] ::tcltest] == -1} {
 proc evalInProc { script } {
     proc testProc {} $script
     set status [catch {
-	testProc 
+	testProc
     } result]
     rename testProc {}
     return [list $status $result]
@@ -60,69 +60,69 @@ test lsetComp-2.3 {lset, compiled, list of args, scalar, one-byte offset} {
 
 test lsetComp-2.4 {lset, compiled, list of args, scalar, four-byte offset} {
     evalInProc {
-	set x0 0; set x1 0; set x2 0; set x3 0; 
-	set x4 0; set x5 0; set x6 0; set x7 0; 
-	set x8 0; set x9 0; set x10 0; set x11 0; 
-	set x12 0; set x13 0; set x14 0; set x15 0; 
-	set x16 0; set x17 0; set x18 0; set x19 0; 
-	set x20 0; set x21 0; set x22 0; set x23 0; 
-	set x24 0; set x25 0; set x26 0; set x27 0; 
-	set x28 0; set x29 0; set x30 0; set x31 0; 
-	set x32 0; set x33 0; set x34 0; set x35 0; 
-	set x36 0; set x37 0; set x38 0; set x39 0; 
-	set x40 0; set x41 0; set x42 0; set x43 0; 
-	set x44 0; set x45 0; set x46 0; set x47 0; 
-	set x48 0; set x49 0; set x50 0; set x51 0; 
-	set x52 0; set x53 0; set x54 0; set x55 0; 
-	set x56 0; set x57 0; set x58 0; set x59 0; 
-	set x60 0; set x61 0; set x62 0; set x63 0; 
-	set x64 0; set x65 0; set x66 0; set x67 0; 
-	set x68 0; set x69 0; set x70 0; set x71 0; 
-	set x72 0; set x73 0; set x74 0; set x75 0; 
-	set x76 0; set x77 0; set x78 0; set x79 0; 
-	set x80 0; set x81 0; set x82 0; set x83 0; 
-	set x84 0; set x85 0; set x86 0; set x87 0; 
-	set x88 0; set x89 0; set x90 0; set x91 0; 
-	set x92 0; set x93 0; set x94 0; set x95 0; 
-	set x96 0; set x97 0; set x98 0; set x99 0; 
-	set x100 0; set x101 0; set x102 0; set x103 0; 
-	set x104 0; set x105 0; set x106 0; set x107 0; 
-	set x108 0; set x109 0; set x110 0; set x111 0; 
-	set x112 0; set x113 0; set x114 0; set x115 0; 
-	set x116 0; set x117 0; set x118 0; set x119 0; 
-	set x120 0; set x121 0; set x122 0; set x123 0; 
-	set x124 0; set x125 0; set x126 0; set x127 0; 
-	set x128 0; set x129 0; set x130 0; set x131 0; 
-	set x132 0; set x133 0; set x134 0; set x135 0; 
-	set x136 0; set x137 0; set x138 0; set x139 0; 
-	set x140 0; set x141 0; set x142 0; set x143 0; 
-	set x144 0; set x145 0; set x146 0; set x147 0; 
-	set x148 0; set x149 0; set x150 0; set x151 0; 
-	set x152 0; set x153 0; set x154 0; set x155 0; 
-	set x156 0; set x157 0; set x158 0; set x159 0; 
-	set x160 0; set x161 0; set x162 0; set x163 0; 
-	set x164 0; set x165 0; set x166 0; set x167 0; 
-	set x168 0; set x169 0; set x170 0; set x171 0; 
-	set x172 0; set x173 0; set x174 0; set x175 0; 
-	set x176 0; set x177 0; set x178 0; set x179 0; 
-	set x180 0; set x181 0; set x182 0; set x183 0; 
-	set x184 0; set x185 0; set x186 0; set x187 0; 
-	set x188 0; set x189 0; set x190 0; set x191 0; 
-	set x192 0; set x193 0; set x194 0; set x195 0; 
-	set x196 0; set x197 0; set x198 0; set x199 0; 
-	set x200 0; set x201 0; set x202 0; set x203 0; 
-	set x204 0; set x205 0; set x206 0; set x207 0; 
-	set x208 0; set x209 0; set x210 0; set x211 0; 
-	set x212 0; set x213 0; set x214 0; set x215 0; 
-	set x216 0; set x217 0; set x218 0; set x219 0; 
-	set x220 0; set x221 0; set x222 0; set x223 0; 
-	set x224 0; set x225 0; set x226 0; set x227 0; 
-	set x228 0; set x229 0; set x230 0; set x231 0; 
-	set x232 0; set x233 0; set x234 0; set x235 0; 
-	set x236 0; set x237 0; set x238 0; set x239 0; 
-	set x240 0; set x241 0; set x242 0; set x243 0; 
-	set x244 0; set x245 0; set x246 0; set x247 0; 
-	set x248 0; set x249 0; set x250 0; set x251 0; 
+	set x0 0; set x1 0; set x2 0; set x3 0;
+	set x4 0; set x5 0; set x6 0; set x7 0;
+	set x8 0; set x9 0; set x10 0; set x11 0;
+	set x12 0; set x13 0; set x14 0; set x15 0;
+	set x16 0; set x17 0; set x18 0; set x19 0;
+	set x20 0; set x21 0; set x22 0; set x23 0;
+	set x24 0; set x25 0; set x26 0; set x27 0;
+	set x28 0; set x29 0; set x30 0; set x31 0;
+	set x32 0; set x33 0; set x34 0; set x35 0;
+	set x36 0; set x37 0; set x38 0; set x39 0;
+	set x40 0; set x41 0; set x42 0; set x43 0;
+	set x44 0; set x45 0; set x46 0; set x47 0;
+	set x48 0; set x49 0; set x50 0; set x51 0;
+	set x52 0; set x53 0; set x54 0; set x55 0;
+	set x56 0; set x57 0; set x58 0; set x59 0;
+	set x60 0; set x61 0; set x62 0; set x63 0;
+	set x64 0; set x65 0; set x66 0; set x67 0;
+	set x68 0; set x69 0; set x70 0; set x71 0;
+	set x72 0; set x73 0; set x74 0; set x75 0;
+	set x76 0; set x77 0; set x78 0; set x79 0;
+	set x80 0; set x81 0; set x82 0; set x83 0;
+	set x84 0; set x85 0; set x86 0; set x87 0;
+	set x88 0; set x89 0; set x90 0; set x91 0;
+	set x92 0; set x93 0; set x94 0; set x95 0;
+	set x96 0; set x97 0; set x98 0; set x99 0;
+	set x100 0; set x101 0; set x102 0; set x103 0;
+	set x104 0; set x105 0; set x106 0; set x107 0;
+	set x108 0; set x109 0; set x110 0; set x111 0;
+	set x112 0; set x113 0; set x114 0; set x115 0;
+	set x116 0; set x117 0; set x118 0; set x119 0;
+	set x120 0; set x121 0; set x122 0; set x123 0;
+	set x124 0; set x125 0; set x126 0; set x127 0;
+	set x128 0; set x129 0; set x130 0; set x131 0;
+	set x132 0; set x133 0; set x134 0; set x135 0;
+	set x136 0; set x137 0; set x138 0; set x139 0;
+	set x140 0; set x141 0; set x142 0; set x143 0;
+	set x144 0; set x145 0; set x146 0; set x147 0;
+	set x148 0; set x149 0; set x150 0; set x151 0;
+	set x152 0; set x153 0; set x154 0; set x155 0;
+	set x156 0; set x157 0; set x158 0; set x159 0;
+	set x160 0; set x161 0; set x162 0; set x163 0;
+	set x164 0; set x165 0; set x166 0; set x167 0;
+	set x168 0; set x169 0; set x170 0; set x171 0;
+	set x172 0; set x173 0; set x174 0; set x175 0;
+	set x176 0; set x177 0; set x178 0; set x179 0;
+	set x180 0; set x181 0; set x182 0; set x183 0;
+	set x184 0; set x185 0; set x186 0; set x187 0;
+	set x188 0; set x189 0; set x190 0; set x191 0;
+	set x192 0; set x193 0; set x194 0; set x195 0;
+	set x196 0; set x197 0; set x198 0; set x199 0;
+	set x200 0; set x201 0; set x202 0; set x203 0;
+	set x204 0; set x205 0; set x206 0; set x207 0;
+	set x208 0; set x209 0; set x210 0; set x211 0;
+	set x212 0; set x213 0; set x214 0; set x215 0;
+	set x216 0; set x217 0; set x218 0; set x219 0;
+	set x220 0; set x221 0; set x222 0; set x223 0;
+	set x224 0; set x225 0; set x226 0; set x227 0;
+	set x228 0; set x229 0; set x230 0; set x231 0;
+	set x232 0; set x233 0; set x234 0; set x235 0;
+	set x236 0; set x237 0; set x238 0; set x239 0;
+	set x240 0; set x241 0; set x242 0; set x243 0;
+	set x244 0; set x245 0; set x246 0; set x247 0;
+	set x248 0; set x249 0; set x250 0; set x251 0;
 	set x252 0; set x253 0; set x254 0; set x255 0;
 	set x {{1 2} {3 4}}
 	lset x {1 1} 5
@@ -145,69 +145,69 @@ test lsetComp-2.6 {lset, compiled, list of args, array, one-byte offset} {
 
 test lsetComp-2.7 {lset, compiled, list of args, array, four-byte offset} {
     evalInProc {
-	set x0 0; set x1 0; set x2 0; set x3 0; 
-	set x4 0; set x5 0; set x6 0; set x7 0; 
-	set x8 0; set x9 0; set x10 0; set x11 0; 
-	set x12 0; set x13 0; set x14 0; set x15 0; 
-	set x16 0; set x17 0; set x18 0; set x19 0; 
-	set x20 0; set x21 0; set x22 0; set x23 0; 
-	set x24 0; set x25 0; set x26 0; set x27 0; 
-	set x28 0; set x29 0; set x30 0; set x31 0; 
-	set x32 0; set x33 0; set x34 0; set x35 0; 
-	set x36 0; set x37 0; set x38 0; set x39 0; 
-	set x40 0; set x41 0; set x42 0; set x43 0; 
-	set x44 0; set x45 0; set x46 0; set x47 0; 
-	set x48 0; set x49 0; set x50 0; set x51 0; 
-	set x52 0; set x53 0; set x54 0; set x55 0; 
-	set x56 0; set x57 0; set x58 0; set x59 0; 
-	set x60 0; set x61 0; set x62 0; set x63 0; 
-	set x64 0; set x65 0; set x66 0; set x67 0; 
-	set x68 0; set x69 0; set x70 0; set x71 0; 
-	set x72 0; set x73 0; set x74 0; set x75 0; 
-	set x76 0; set x77 0; set x78 0; set x79 0; 
-	set x80 0; set x81 0; set x82 0; set x83 0; 
-	set x84 0; set x85 0; set x86 0; set x87 0; 
-	set x88 0; set x89 0; set x90 0; set x91 0; 
-	set x92 0; set x93 0; set x94 0; set x95 0; 
-	set x96 0; set x97 0; set x98 0; set x99 0; 
-	set x100 0; set x101 0; set x102 0; set x103 0; 
-	set x104 0; set x105 0; set x106 0; set x107 0; 
-	set x108 0; set x109 0; set x110 0; set x111 0; 
-	set x112 0; set x113 0; set x114 0; set x115 0; 
-	set x116 0; set x117 0; set x118 0; set x119 0; 
-	set x120 0; set x121 0; set x122 0; set x123 0; 
-	set x124 0; set x125 0; set x126 0; set x127 0; 
-	set x128 0; set x129 0; set x130 0; set x131 0; 
-	set x132 0; set x133 0; set x134 0; set x135 0; 
-	set x136 0; set x137 0; set x138 0; set x139 0; 
-	set x140 0; set x141 0; set x142 0; set x143 0; 
-	set x144 0; set x145 0; set x146 0; set x147 0; 
-	set x148 0; set x149 0; set x150 0; set x151 0; 
-	set x152 0; set x153 0; set x154 0; set x155 0; 
-	set x156 0; set x157 0; set x158 0; set x159 0; 
-	set x160 0; set x161 0; set x162 0; set x163 0; 
-	set x164 0; set x165 0; set x166 0; set x167 0; 
-	set x168 0; set x169 0; set x170 0; set x171 0; 
-	set x172 0; set x173 0; set x174 0; set x175 0; 
-	set x176 0; set x177 0; set x178 0; set x179 0; 
-	set x180 0; set x181 0; set x182 0; set x183 0; 
-	set x184 0; set x185 0; set x186 0; set x187 0; 
-	set x188 0; set x189 0; set x190 0; set x191 0; 
-	set x192 0; set x193 0; set x194 0; set x195 0; 
-	set x196 0; set x197 0; set x198 0; set x199 0; 
-	set x200 0; set x201 0; set x202 0; set x203 0; 
-	set x204 0; set x205 0; set x206 0; set x207 0; 
-	set x208 0; set x209 0; set x210 0; set x211 0; 
-	set x212 0; set x213 0; set x214 0; set x215 0; 
-	set x216 0; set x217 0; set x218 0; set x219 0; 
-	set x220 0; set x221 0; set x222 0; set x223 0; 
-	set x224 0; set x225 0; set x226 0; set x227 0; 
-	set x228 0; set x229 0; set x230 0; set x231 0; 
-	set x232 0; set x233 0; set x234 0; set x235 0; 
-	set x236 0; set x237 0; set x238 0; set x239 0; 
-	set x240 0; set x241 0; set x242 0; set x243 0; 
-	set x244 0; set x245 0; set x246 0; set x247 0; 
-	set x248 0; set x249 0; set x250 0; set x251 0; 
+	set x0 0; set x1 0; set x2 0; set x3 0;
+	set x4 0; set x5 0; set x6 0; set x7 0;
+	set x8 0; set x9 0; set x10 0; set x11 0;
+	set x12 0; set x13 0; set x14 0; set x15 0;
+	set x16 0; set x17 0; set x18 0; set x19 0;
+	set x20 0; set x21 0; set x22 0; set x23 0;
+	set x24 0; set x25 0; set x26 0; set x27 0;
+	set x28 0; set x29 0; set x30 0; set x31 0;
+	set x32 0; set x33 0; set x34 0; set x35 0;
+	set x36 0; set x37 0; set x38 0; set x39 0;
+	set x40 0; set x41 0; set x42 0; set x43 0;
+	set x44 0; set x45 0; set x46 0; set x47 0;
+	set x48 0; set x49 0; set x50 0; set x51 0;
+	set x52 0; set x53 0; set x54 0; set x55 0;
+	set x56 0; set x57 0; set x58 0; set x59 0;
+	set x60 0; set x61 0; set x62 0; set x63 0;
+	set x64 0; set x65 0; set x66 0; set x67 0;
+	set x68 0; set x69 0; set x70 0; set x71 0;
+	set x72 0; set x73 0; set x74 0; set x75 0;
+	set x76 0; set x77 0; set x78 0; set x79 0;
+	set x80 0; set x81 0; set x82 0; set x83 0;
+	set x84 0; set x85 0; set x86 0; set x87 0;
+	set x88 0; set x89 0; set x90 0; set x91 0;
+	set x92 0; set x93 0; set x94 0; set x95 0;
+	set x96 0; set x97 0; set x98 0; set x99 0;
+	set x100 0; set x101 0; set x102 0; set x103 0;
+	set x104 0; set x105 0; set x106 0; set x107 0;
+	set x108 0; set x109 0; set x110 0; set x111 0;
+	set x112 0; set x113 0; set x114 0; set x115 0;
+	set x116 0; set x117 0; set x118 0; set x119 0;
+	set x120 0; set x121 0; set x122 0; set x123 0;
+	set x124 0; set x125 0; set x126 0; set x127 0;
+	set x128 0; set x129 0; set x130 0; set x131 0;
+	set x132 0; set x133 0; set x134 0; set x135 0;
+	set x136 0; set x137 0; set x138 0; set x139 0;
+	set x140 0; set x141 0; set x142 0; set x143 0;
+	set x144 0; set x145 0; set x146 0; set x147 0;
+	set x148 0; set x149 0; set x150 0; set x151 0;
+	set x152 0; set x153 0; set x154 0; set x155 0;
+	set x156 0; set x157 0; set x158 0; set x159 0;
+	set x160 0; set x161 0; set x162 0; set x163 0;
+	set x164 0; set x165 0; set x166 0; set x167 0;
+	set x168 0; set x169 0; set x170 0; set x171 0;
+	set x172 0; set x173 0; set x174 0; set x175 0;
+	set x176 0; set x177 0; set x178 0; set x179 0;
+	set x180 0; set x181 0; set x182 0; set x183 0;
+	set x184 0; set x185 0; set x186 0; set x187 0;
+	set x188 0; set x189 0; set x190 0; set x191 0;
+	set x192 0; set x193 0; set x194 0; set x195 0;
+	set x196 0; set x197 0; set x198 0; set x199 0;
+	set x200 0; set x201 0; set x202 0; set x203 0;
+	set x204 0; set x205 0; set x206 0; set x207 0;
+	set x208 0; set x209 0; set x210 0; set x211 0;
+	set x212 0; set x213 0; set x214 0; set x215 0;
+	set x216 0; set x217 0; set x218 0; set x219 0;
+	set x220 0; set x221 0; set x222 0; set x223 0;
+	set x224 0; set x225 0; set x226 0; set x227 0;
+	set x228 0; set x229 0; set x230 0; set x231 0;
+	set x232 0; set x233 0; set x234 0; set x235 0;
+	set x236 0; set x237 0; set x238 0; set x239 0;
+	set x240 0; set x241 0; set x242 0; set x243 0;
+	set x244 0; set x245 0; set x246 0; set x247 0;
+	set x248 0; set x249 0; set x250 0; set x251 0;
 	set x252 0; set x253 0; set x254 0; set x255 0;
 	set y(0) {{1 2} {3 4}}
 	lset y(0) {1 1} 5
@@ -253,69 +253,69 @@ test lsetComp-3.3 {lset, compiled, flat args, scalar, one-byte offset} {
 
 test lsetComp-3.4 {lset, compiled, scalar, four-byte offset} {
     evalInProc {
-	set x0 0; set x1 0; set x2 0; set x3 0; 
-	set x4 0; set x5 0; set x6 0; set x7 0; 
-	set x8 0; set x9 0; set x10 0; set x11 0; 
-	set x12 0; set x13 0; set x14 0; set x15 0; 
-	set x16 0; set x17 0; set x18 0; set x19 0; 
-	set x20 0; set x21 0; set x22 0; set x23 0; 
-	set x24 0; set x25 0; set x26 0; set x27 0; 
-	set x28 0; set x29 0; set x30 0; set x31 0; 
-	set x32 0; set x33 0; set x34 0; set x35 0; 
-	set x36 0; set x37 0; set x38 0; set x39 0; 
-	set x40 0; set x41 0; set x42 0; set x43 0; 
-	set x44 0; set x45 0; set x46 0; set x47 0; 
-	set x48 0; set x49 0; set x50 0; set x51 0; 
-	set x52 0; set x53 0; set x54 0; set x55 0; 
-	set x56 0; set x57 0; set x58 0; set x59 0; 
-	set x60 0; set x61 0; set x62 0; set x63 0; 
-	set x64 0; set x65 0; set x66 0; set x67 0; 
-	set x68 0; set x69 0; set x70 0; set x71 0; 
-	set x72 0; set x73 0; set x74 0; set x75 0; 
-	set x76 0; set x77 0; set x78 0; set x79 0; 
-	set x80 0; set x81 0; set x82 0; set x83 0; 
-	set x84 0; set x85 0; set x86 0; set x87 0; 
-	set x88 0; set x89 0; set x90 0; set x91 0; 
-	set x92 0; set x93 0; set x94 0; set x95 0; 
-	set x96 0; set x97 0; set x98 0; set x99 0; 
-	set x100 0; set x101 0; set x102 0; set x103 0; 
-	set x104 0; set x105 0; set x106 0; set x107 0; 
-	set x108 0; set x109 0; set x110 0; set x111 0; 
-	set x112 0; set x113 0; set x114 0; set x115 0; 
-	set x116 0; set x117 0; set x118 0; set x119 0; 
-	set x120 0; set x121 0; set x122 0; set x123 0; 
-	set x124 0; set x125 0; set x126 0; set x127 0; 
-	set x128 0; set x129 0; set x130 0; set x131 0; 
-	set x132 0; set x133 0; set x134 0; set x135 0; 
-	set x136 0; set x137 0; set x138 0; set x139 0; 
-	set x140 0; set x141 0; set x142 0; set x143 0; 
-	set x144 0; set x145 0; set x146 0; set x147 0; 
-	set x148 0; set x149 0; set x150 0; set x151 0; 
-	set x152 0; set x153 0; set x154 0; set x155 0; 
-	set x156 0; set x157 0; set x158 0; set x159 0; 
-	set x160 0; set x161 0; set x162 0; set x163 0; 
-	set x164 0; set x165 0; set x166 0; set x167 0; 
-	set x168 0; set x169 0; set x170 0; set x171 0; 
-	set x172 0; set x173 0; set x174 0; set x175 0; 
-	set x176 0; set x177 0; set x178 0; set x179 0; 
-	set x180 0; set x181 0; set x182 0; set x183 0; 
-	set x184 0; set x185 0; set x186 0; set x187 0; 
-	set x188 0; set x189 0; set x190 0; set x191 0; 
-	set x192 0; set x193 0; set x194 0; set x195 0; 
-	set x196 0; set x197 0; set x198 0; set x199 0; 
-	set x200 0; set x201 0; set x202 0; set x203 0; 
-	set x204 0; set x205 0; set x206 0; set x207 0; 
-	set x208 0; set x209 0; set x210 0; set x211 0; 
-	set x212 0; set x213 0; set x214 0; set x215 0; 
-	set x216 0; set x217 0; set x218 0; set x219 0; 
-	set x220 0; set x221 0; set x222 0; set x223 0; 
-	set x224 0; set x225 0; set x226 0; set x227 0; 
-	set x228 0; set x229 0; set x230 0; set x231 0; 
-	set x232 0; set x233 0; set x234 0; set x235 0; 
-	set x236 0; set x237 0; set x238 0; set x239 0; 
-	set x240 0; set x241 0; set x242 0; set x243 0; 
-	set x244 0; set x245 0; set x246 0; set x247 0; 
-	set x248 0; set x249 0; set x250 0; set x251 0; 
+	set x0 0; set x1 0; set x2 0; set x3 0;
+	set x4 0; set x5 0; set x6 0; set x7 0;
+	set x8 0; set x9 0; set x10 0; set x11 0;
+	set x12 0; set x13 0; set x14 0; set x15 0;
+	set x16 0; set x17 0; set x18 0; set x19 0;
+	set x20 0; set x21 0; set x22 0; set x23 0;
+	set x24 0; set x25 0; set x26 0; set x27 0;
+	set x28 0; set x29 0; set x30 0; set x31 0;
+	set x32 0; set x33 0; set x34 0; set x35 0;
+	set x36 0; set x37 0; set x38 0; set x39 0;
+	set x40 0; set x41 0; set x42 0; set x43 0;
+	set x44 0; set x45 0; set x46 0; set x47 0;
+	set x48 0; set x49 0; set x50 0; set x51 0;
+	set x52 0; set x53 0; set x54 0; set x55 0;
+	set x56 0; set x57 0; set x58 0; set x59 0;
+	set x60 0; set x61 0; set x62 0; set x63 0;
+	set x64 0; set x65 0; set x66 0; set x67 0;
+	set x68 0; set x69 0; set x70 0; set x71 0;
+	set x72 0; set x73 0; set x74 0; set x75 0;
+	set x76 0; set x77 0; set x78 0; set x79 0;
+	set x80 0; set x81 0; set x82 0; set x83 0;
+	set x84 0; set x85 0; set x86 0; set x87 0;
+	set x88 0; set x89 0; set x90 0; set x91 0;
+	set x92 0; set x93 0; set x94 0; set x95 0;
+	set x96 0; set x97 0; set x98 0; set x99 0;
+	set x100 0; set x101 0; set x102 0; set x103 0;
+	set x104 0; set x105 0; set x106 0; set x107 0;
+	set x108 0; set x109 0; set x110 0; set x111 0;
+	set x112 0; set x113 0; set x114 0; set x115 0;
+	set x116 0; set x117 0; set x118 0; set x119 0;
+	set x120 0; set x121 0; set x122 0; set x123 0;
+	set x124 0; set x125 0; set x126 0; set x127 0;
+	set x128 0; set x129 0; set x130 0; set x131 0;
+	set x132 0; set x133 0; set x134 0; set x135 0;
+	set x136 0; set x137 0; set x138 0; set x139 0;
+	set x140 0; set x141 0; set x142 0; set x143 0;
+	set x144 0; set x145 0; set x146 0; set x147 0;
+	set x148 0; set x149 0; set x150 0; set x151 0;
+	set x152 0; set x153 0; set x154 0; set x155 0;
+	set x156 0; set x157 0; set x158 0; set x159 0;
+	set x160 0; set x161 0; set x162 0; set x163 0;
+	set x164 0; set x165 0; set x166 0; set x167 0;
+	set x168 0; set x169 0; set x170 0; set x171 0;
+	set x172 0; set x173 0; set x174 0; set x175 0;
+	set x176 0; set x177 0; set x178 0; set x179 0;
+	set x180 0; set x181 0; set x182 0; set x183 0;
+	set x184 0; set x185 0; set x186 0; set x187 0;
+	set x188 0; set x189 0; set x190 0; set x191 0;
+	set x192 0; set x193 0; set x194 0; set x195 0;
+	set x196 0; set x197 0; set x198 0; set x199 0;
+	set x200 0; set x201 0; set x202 0; set x203 0;
+	set x204 0; set x205 0; set x206 0; set x207 0;
+	set x208 0; set x209 0; set x210 0; set x211 0;
+	set x212 0; set x213 0; set x214 0; set x215 0;
+	set x216 0; set x217 0; set x218 0; set x219 0;
+	set x220 0; set x221 0; set x222 0; set x223 0;
+	set x224 0; set x225 0; set x226 0; set x227 0;
+	set x228 0; set x229 0; set x230 0; set x231 0;
+	set x232 0; set x233 0; set x234 0; set x235 0;
+	set x236 0; set x237 0; set x238 0; set x239 0;
+	set x240 0; set x241 0; set x242 0; set x243 0;
+	set x244 0; set x245 0; set x246 0; set x247 0;
+	set x248 0; set x249 0; set x250 0; set x251 0;
 	set x252 0; set x253 0; set x254 0; set x255 0;
 	set x {{1 2} {3 4}}
 	lset x 1 1 5
@@ -338,69 +338,69 @@ test lsetComp-3.6 {lset, compiled, flat args, array, one-byte offset} {
 
 test lsetComp-3.7 {lset, compiled, flat args, array, four-byte offset} {
     evalInProc {
-	set x0 0; set x1 0; set x2 0; set x3 0; 
-	set x4 0; set x5 0; set x6 0; set x7 0; 
-	set x8 0; set x9 0; set x10 0; set x11 0; 
-	set x12 0; set x13 0; set x14 0; set x15 0; 
-	set x16 0; set x17 0; set x18 0; set x19 0; 
-	set x20 0; set x21 0; set x22 0; set x23 0; 
-	set x24 0; set x25 0; set x26 0; set x27 0; 
-	set x28 0; set x29 0; set x30 0; set x31 0; 
-	set x32 0; set x33 0; set x34 0; set x35 0; 
-	set x36 0; set x37 0; set x38 0; set x39 0; 
-	set x40 0; set x41 0; set x42 0; set x43 0; 
-	set x44 0; set x45 0; set x46 0; set x47 0; 
-	set x48 0; set x49 0; set x50 0; set x51 0; 
-	set x52 0; set x53 0; set x54 0; set x55 0; 
-	set x56 0; set x57 0; set x58 0; set x59 0; 
-	set x60 0; set x61 0; set x62 0; set x63 0; 
-	set x64 0; set x65 0; set x66 0; set x67 0; 
-	set x68 0; set x69 0; set x70 0; set x71 0; 
-	set x72 0; set x73 0; set x74 0; set x75 0; 
-	set x76 0; set x77 0; set x78 0; set x79 0; 
-	set x80 0; set x81 0; set x82 0; set x83 0; 
-	set x84 0; set x85 0; set x86 0; set x87 0; 
-	set x88 0; set x89 0; set x90 0; set x91 0; 
-	set x92 0; set x93 0; set x94 0; set x95 0; 
-	set x96 0; set x97 0; set x98 0; set x99 0; 
-	set x100 0; set x101 0; set x102 0; set x103 0; 
-	set x104 0; set x105 0; set x106 0; set x107 0; 
-	set x108 0; set x109 0; set x110 0; set x111 0; 
-	set x112 0; set x113 0; set x114 0; set x115 0; 
-	set x116 0; set x117 0; set x118 0; set x119 0; 
-	set x120 0; set x121 0; set x122 0; set x123 0; 
-	set x124 0; set x125 0; set x126 0; set x127 0; 
-	set x128 0; set x129 0; set x130 0; set x131 0; 
-	set x132 0; set x133 0; set x134 0; set x135 0; 
-	set x136 0; set x137 0; set x138 0; set x139 0; 
-	set x140 0; set x141 0; set x142 0; set x143 0; 
-	set x144 0; set x145 0; set x146 0; set x147 0; 
-	set x148 0; set x149 0; set x150 0; set x151 0; 
-	set x152 0; set x153 0; set x154 0; set x155 0; 
-	set x156 0; set x157 0; set x158 0; set x159 0; 
-	set x160 0; set x161 0; set x162 0; set x163 0; 
-	set x164 0; set x165 0; set x166 0; set x167 0; 
-	set x168 0; set x169 0; set x170 0; set x171 0; 
-	set x172 0; set x173 0; set x174 0; set x175 0; 
-	set x176 0; set x177 0; set x178 0; set x179 0; 
-	set x180 0; set x181 0; set x182 0; set x183 0; 
-	set x184 0; set x185 0; set x186 0; set x187 0; 
-	set x188 0; set x189 0; set x190 0; set x191 0; 
-	set x192 0; set x193 0; set x194 0; set x195 0; 
-	set x196 0; set x197 0; set x198 0; set x199 0; 
-	set x200 0; set x201 0; set x202 0; set x203 0; 
-	set x204 0; set x205 0; set x206 0; set x207 0; 
-	set x208 0; set x209 0; set x210 0; set x211 0; 
-	set x212 0; set x213 0; set x214 0; set x215 0; 
-	set x216 0; set x217 0; set x218 0; set x219 0; 
-	set x220 0; set x221 0; set x222 0; set x223 0; 
-	set x224 0; set x225 0; set x226 0; set x227 0; 
-	set x228 0; set x229 0; set x230 0; set x231 0; 
-	set x232 0; set x233 0; set x234 0; set x235 0; 
-	set x236 0; set x237 0; set x238 0; set x239 0; 
-	set x240 0; set x241 0; set x242 0; set x243 0; 
-	set x244 0; set x245 0; set x246 0; set x247 0; 
-	set x248 0; set x249 0; set x250 0; set x251 0; 
+	set x0 0; set x1 0; set x2 0; set x3 0;
+	set x4 0; set x5 0; set x6 0; set x7 0;
+	set x8 0; set x9 0; set x10 0; set x11 0;
+	set x12 0; set x13 0; set x14 0; set x15 0;
+	set x16 0; set x17 0; set x18 0; set x19 0;
+	set x20 0; set x21 0; set x22 0; set x23 0;
+	set x24 0; set x25 0; set x26 0; set x27 0;
+	set x28 0; set x29 0; set x30 0; set x31 0;
+	set x32 0; set x33 0; set x34 0; set x35 0;
+	set x36 0; set x37 0; set x38 0; set x39 0;
+	set x40 0; set x41 0; set x42 0; set x43 0;
+	set x44 0; set x45 0; set x46 0; set x47 0;
+	set x48 0; set x49 0; set x50 0; set x51 0;
+	set x52 0; set x53 0; set x54 0; set x55 0;
+	set x56 0; set x57 0; set x58 0; set x59 0;
+	set x60 0; set x61 0; set x62 0; set x63 0;
+	set x64 0; set x65 0; set x66 0; set x67 0;
+	set x68 0; set x69 0; set x70 0; set x71 0;
+	set x72 0; set x73 0; set x74 0; set x75 0;
+	set x76 0; set x77 0; set x78 0; set x79 0;
+	set x80 0; set x81 0; set x82 0; set x83 0;
+	set x84 0; set x85 0; set x86 0; set x87 0;
+	set x88 0; set x89 0; set x90 0; set x91 0;
+	set x92 0; set x93 0; set x94 0; set x95 0;
+	set x96 0; set x97 0; set x98 0; set x99 0;
+	set x100 0; set x101 0; set x102 0; set x103 0;
+	set x104 0; set x105 0; set x106 0; set x107 0;
+	set x108 0; set x109 0; set x110 0; set x111 0;
+	set x112 0; set x113 0; set x114 0; set x115 0;
+	set x116 0; set x117 0; set x118 0; set x119 0;
+	set x120 0; set x121 0; set x122 0; set x123 0;
+	set x124 0; set x125 0; set x126 0; set x127 0;
+	set x128 0; set x129 0; set x130 0; set x131 0;
+	set x132 0; set x133 0; set x134 0; set x135 0;
+	set x136 0; set x137 0; set x138 0; set x139 0;
+	set x140 0; set x141 0; set x142 0; set x143 0;
+	set x144 0; set x145 0; set x146 0; set x147 0;
+	set x148 0; set x149 0; set x150 0; set x151 0;
+	set x152 0; set x153 0; set x154 0; set x155 0;
+	set x156 0; set x157 0; set x158 0; set x159 0;
+	set x160 0; set x161 0; set x162 0; set x163 0;
+	set x164 0; set x165 0; set x166 0; set x167 0;
+	set x168 0; set x169 0; set x170 0; set x171 0;
+	set x172 0; set x173 0; set x174 0; set x175 0;
+	set x176 0; set x177 0; set x178 0; set x179 0;
+	set x180 0; set x181 0; set x182 0; set x183 0;
+	set x184 0; set x185 0; set x186 0; set x187 0;
+	set x188 0; set x189 0; set x190 0; set x191 0;
+	set x192 0; set x193 0; set x194 0; set x195 0;
+	set x196 0; set x197 0; set x198 0; set x199 0;
+	set x200 0; set x201 0; set x202 0; set x203 0;
+	set x204 0; set x205 0; set x206 0; set x207 0;
+	set x208 0; set x209 0; set x210 0; set x211 0;
+	set x212 0; set x213 0; set x214 0; set x215 0;
+	set x216 0; set x217 0; set x218 0; set x219 0;
+	set x220 0; set x221 0; set x222 0; set x223 0;
+	set x224 0; set x225 0; set x226 0; set x227 0;
+	set x228 0; set x229 0; set x230 0; set x231 0;
+	set x232 0; set x233 0; set x234 0; set x235 0;
+	set x236 0; set x237 0; set x238 0; set x239 0;
+	set x240 0; set x241 0; set x242 0; set x243 0;
+	set x244 0; set x245 0; set x246 0; set x247 0;
+	set x248 0; set x249 0; set x250 0; set x251 0;
 	set x252 0; set x253 0; set x254 0; set x255 0;
 	set y(0) {{1 2} {3 4}}
 	lset y(0) 1 1 5
diff --git a/tests/main.test b/tests/main.test
index 351fd4f..96af066 100644
--- a/tests/main.test
+++ b/tests/main.test
@@ -719,7 +719,7 @@ namespace eval ::tcl::test::main {
     } -result "Exit MainLoop\nIn exit\neven 0\n"
 
     test Tcl_Main-5.9 {
-	Tcl_Main: interactive mode: delete interp 
+	Tcl_Main: interactive mode: delete interp
 		-> main loop & exit handlers, but no [exit]
     } -constraints {
 	exec Tcltest
diff --git a/tests/misc.test b/tests/misc.test
index d4ece74..db8b14a 100644
--- a/tests/misc.test
+++ b/tests/misc.test
@@ -25,7 +25,7 @@ testConstraint testhashsystemhash [llength [info commands testhashsystemhash]]
 test misc-1.1 {error in variable ref. in command in array reference} {
     proc tstProc {} {
 	global a
-    
+
 	set tst $a([winfo name $zz])
 	# this is a bogus comment
 	# this is a bogus comment
@@ -42,7 +42,7 @@ test misc-1.1 {error in variable ref. in command in array reference} {
 test misc-1.2 {error in variable ref. in command in array reference} {
     proc tstProc {} "
 	global a
-    
+
 	set tst \$a(\[winfo name \$\{zz)
 	# this is a bogus comment
 	# this is a bogus comment
diff --git a/tests/msgcat.test b/tests/msgcat.test
index 8647f9c..f50ebfb 100644
--- a/tests/msgcat.test
+++ b/tests/msgcat.test
@@ -51,7 +51,7 @@ namespace eval ::msgcat::test {
     variable body
     variable result
     variable setVars
-    foreach setVars [PowerSet $envVars] { 
+    foreach setVars [PowerSet $envVars] {
 	set result [string tolower [lindex $setVars 0]]
 	if {[string length $result] == 0} {
 	    if {[info exists ::tcl::mac::locale]} {
@@ -93,7 +93,7 @@ namespace eval ::msgcat::test {
 	incr count
     }
     unset -nocomplain result
-    
+
     # Could add tests of initialization from Windows registry here.
     # Use a fake registry package.
 
@@ -293,11 +293,11 @@ namespace eval ::msgcat::test {
     variable count 2
     variable result
     array set result {
-	foo,ov0 ov0_ROOT foo,ov1 ov1_foo foo,ov2 ov2_foo 
+	foo,ov0 ov0_ROOT foo,ov1 ov1_foo foo,ov2 ov2_foo
         foo,ov3 ov3_foo foo,ov4 ov4
-	foo_BAR,ov0 ov0_ROOT foo_BAR,ov1 ov1_foo foo_BAR,ov2 ov2_foo_BAR 
-        foo_BAR,ov3 ov3_foo_BAR	foo_BAR,ov4 ov4 
-        foo_BAR_baz,ov0 ov0_ROOT foo_BAR_baz,ov1 ov1_foo 
+	foo_BAR,ov0 ov0_ROOT foo_BAR,ov1 ov1_foo foo_BAR,ov2 ov2_foo_BAR
+        foo_BAR,ov3 ov3_foo_BAR	foo_BAR,ov4 ov4
+        foo_BAR_baz,ov0 ov0_ROOT foo_BAR_baz,ov1 ov1_foo
         foo_BAR_baz,ov2 ov2_foo_BAR
 	foo_BAR_baz,ov3 ov3_foo_BAR_baz foo_BAR_baz,ov4 ov4
     }
@@ -416,12 +416,12 @@ namespace eval ::msgcat::test {
 	    variable locale [mclocale]
 	    ::msgcat::mclocale ""
 	    ::msgcat::mcloadedlocales clear
-	    ::msgcat::mcpackageconfig unset mcfolder 
+	    ::msgcat::mcpackageconfig unset mcfolder
 	    mclocale $loc
 	} -cleanup {
 	    mclocale $locale
 	    ::msgcat::mcloadedlocales clear
-	    ::msgcat::mcpackageconfig unset mcfolder 
+	    ::msgcat::mcpackageconfig unset mcfolder
 	} -body {
 	    mcload $msgdir
 	} -result [expr { $count+1 }]
@@ -436,7 +436,7 @@ namespace eval ::msgcat::test {
 	} -cleanup {
 	    mclocale $locale
 	    mcloadedlocales clear
-	    mcpackageconfig unset mcfolder 
+	    mcpackageconfig unset mcfolder
 	} -body {
 	    mcload $msgdir
 	} -result 3
@@ -447,7 +447,7 @@ namespace eval ::msgcat::test {
 	} -cleanup {
 	    mclocale $locale
 	    mcloadedlocales clear
-	    mcpackageconfig unset mcfolder 
+	    mcpackageconfig unset mcfolder
 	} -body {
 	    mcload $msgdir
 	} -result 1
@@ -516,7 +516,7 @@ namespace eval ::msgcat::test {
 	} -cleanup {
 	    mclocale $locale
 	    mcloadedlocales clear
-	    mcpackageconfig unset mcfolder 
+	    mcpackageconfig unset mcfolder
 	} -body {
 	    mclocale foo
 	    mcpackageconfig set mcfolder $msgdir
@@ -535,7 +535,7 @@ namespace eval ::msgcat::test {
     # Tests msgcat-6.*: [mcset], [mc] namespace inheritance
 #
 # Test mcset and mc, ensuring that resolution for messages
-# proceeds from the current ns to its parent and so on to the 
+# proceeds from the current ns to its parent and so on to the
 # global ns.
 #
 # Do this for the 12 permutations of
@@ -579,7 +579,7 @@ namespace eval ::msgcat::test {
 			    ::msgcat::mcset foo ov3 "ov3_foo_bar_baz"
 			}
 		    }
-		    
+
 		}
 		variable locale [mclocale]
 		mclocale foo
@@ -688,12 +688,12 @@ namespace eval ::msgcat::test {
 	    mcexists
 	} -returnCodes 1\
 	-result {wrong # args: should be "mcexists ?-exactnamespace? ?-exactlocale? src"}
-    
+
 	test msgcat-9.2 {mcexists unknown option} -body {
-	    mcexists -unknown src 
+	    mcexists -unknown src
 	} -returnCodes 1\
 	-result {unknown option "-unknown"}
-    
+
 	test msgcat-9.3 {mcexists} -setup {
 	    mcforgetpackage
 	    variable locale [mclocale]
@@ -715,7 +715,7 @@ namespace eval ::msgcat::test {
 	} -body {
 	    list [mcexists k1] [mcexists -exactlocale k1]
 	} -result {1 0}
-    
+
 	test msgcat-9.5 {mcexists parent namespace} -setup {
 	    mcforgetpackage
 	    variable locale [mclocale]
@@ -729,19 +729,19 @@ namespace eval ::msgcat::test {
 			[::msgcat::mcexists -exactnamespace k1]
 	    }
 	} -result {1 0}
-    
+
     # Tests msgcat-10.*: [mcloadedlocales]
 
 	test msgcat-10.1 {mcloadedlocales no arg} -body {
 	    mcloadedlocales
 	} -returnCodes 1\
 	-result {wrong # args: should be "mcloadedlocales subcommand"}
-    
+
 	test msgcat-10.2 {mcloadedlocales wrong subcommand} -body {
 	    mcloadedlocales junk
 	} -returnCodes 1\
 	-result {unknown subcommand "junk": must be clear, or loaded}
-    
+
 	test msgcat-10.3 {mcloadedlocales loaded} -setup {
 	    mcforgetpackage
 	    variable locale [mclocale]
@@ -754,7 +754,7 @@ namespace eval ::msgcat::test {
 	    # The result is position independent so sort
 	    set resultlist [lsort [mcloadedlocales loaded]]
 	} -result {{} foo foo_bar}
-    
+
 	test msgcat-10.4 {mcloadedlocales clear} -setup {
 	    mcforgetpackage
 	    variable locale [mclocale]
@@ -960,9 +960,9 @@ namespace eval ::msgcat::test {
 	} -result {0 0 1 0}
 
     # option mcfolder is already tested with 5.11
-    
+
     # Tests msgcat-14.*: callbacks: loadcmd, changecmd, unknowncmd
-    
+
     # This routine is used as bgerror and by direct callback invocation
     proc callbackproc args {
 	variable resultvariable
@@ -973,7 +973,7 @@ namespace eval ::msgcat::test {
     }
     set bgerrorsaved [interp bgerror {}]
     interp bgerror {} [namespace code callbackproc]
-    
+
 	test msgcat-14.1 {invokation loadcmd} -setup {
 	    mcforgetpackage
     	    mclocale $locale
diff --git a/tests/namespace.test b/tests/namespace.test
index cded1f4..5c5783b 100644
--- a/tests/namespace.test
+++ b/tests/namespace.test
@@ -56,7 +56,7 @@ test namespace-2.2 {Tcl_GetCurrentNamespace} {
 
 test namespace-3.1 {Tcl_GetGlobalNamespace} {
     namespace eval test_ns_1 {namespace eval foo {namespace eval bar {} } }
-    # namespace children uses Tcl_GetGlobalNamespace 
+    # namespace children uses Tcl_GetGlobalNamespace
     namespace eval test_ns_1 {namespace children foo b*}
 } {::test_ns_1::foo::bar}
 
@@ -106,7 +106,7 @@ test namespace-6.2 {Tcl_CreateNamespace, odd number of :'s in name is okay} {
          [namespace eval test_ns_2:::::foo {namespace current}]
 } {::test_ns_1::foo ::test_ns_2::foo}
 test namespace-6.3 {Tcl_CreateNamespace, trailing ::s in ns name are ignored} {
-    list [catch {namespace eval test_ns_7::: {namespace current}} msg] $msg 
+    list [catch {namespace eval test_ns_7::: {namespace current}} msg] $msg
 } {0 ::test_ns_7}
 test namespace-6.4 {Tcl_CreateNamespace, trailing ::s in ns name are ignored} {
     catch {namespace delete {*}[namespace children :: test_ns_*]}
@@ -264,7 +264,7 @@ test namespace-8.5 {TclTeardownNamespace: preserve errorInfo; errorCode values}
     invoked from within
 "slave eval error foo bar baz"}
 test namespace-8.6 {TclTeardownNamespace: preserve errorInfo; errorCode values} {
-    interp create slave 
+    interp create slave
     slave eval {trace add variable errorCode write {namespace delete :: ;#}}
     catch {slave eval error foo bar baz}
     interp delete slave
@@ -971,17 +971,17 @@ test namespace-22.5 {NamespaceCodeCmd, in other namespace} {
         namespace code cmd
     }
 } {::namespace inscope ::test_ns_1 cmd}
-test namespace-22.6 {NamespaceCodeCmd, in other namespace} { 
-    namespace eval test_ns_1 { 
-	variable v 42 
-    } 
-    namespace eval test_ns_2 { 
-	proc namespace args {} 
-    } 
-    namespace eval test_ns_2 [namespace eval test_ns_1 { 
-	namespace code {set v} 
-    }] 
-} {42} 
+test namespace-22.6 {NamespaceCodeCmd, in other namespace} {
+    namespace eval test_ns_1 {
+	variable v 42
+    }
+    namespace eval test_ns_2 {
+	proc namespace args {}
+    }
+    namespace eval test_ns_2 [namespace eval test_ns_1 {
+	namespace code {set v}
+    }]
+} {42}
 test namespace-22.7 {NamespaceCodeCmd, Bug 3202171} {
     namespace eval demo {
 	proc namespace args {puts $args}
@@ -1449,7 +1449,7 @@ test namespace-40.1 {Ignoring namespace proc "unknown"} -setup {
     namespace eval ns {proc unknown args {return local}}
     list [namespace eval ns aaa bbb] [namespace eval ns aaa]
 } -cleanup {
-    rename unknown {}   
+    rename unknown {}
     rename _unknown unknown
     namespace delete ns
 } -result {global global}
@@ -1460,7 +1460,7 @@ test namespace-41.1 {Shadowing byte-compiled commands, Bug: 231259} {
 	set res {}
 	proc test {} {
 	    set ::g 0
-	}  
+	}
 	lappend ::res [test]
 	proc set {a b} {
 	    ::set a [incr b]
@@ -2953,6 +2953,45 @@ test namespace-54.1 {leak on namespace deletion} -constraints {memory} \
 test namespace-55.1 {compiled ensembles inside compiled ensembles: Bug 6d2f249a01} {
     info class [format %s constructor] oo::object
 } ""
+
+test namespace-56.1 {bug f97d4ee020: mutually-entangled deletion} {
+    namespace eval ::testing {
+	proc abc {} {}
+	proc def {} {}
+	trace add command abc delete "rename ::testing::def {}; #"
+	trace add command def delete "rename ::testing::abc {}; #"
+    }
+    namespace delete ::testing
+} {}
+test namespace-56.2 {bug f97d4ee020: mutually-entangled deletion} {
+    namespace eval ::testing {
+	namespace eval abc {proc xyz {} {}}
+	namespace eval def {proc xyz {} {}}
+	trace add command abc::xyz delete "namespace delete ::testing::def {}; #"
+	trace add command def::xyz delete "namespace delete ::testing::abc {}; #"
+    }
+    namespace delete ::testing
+} {}
+test namespace-56.3 {bug f97d4ee020: mutually-entangled deletion} {
+    namespace eval ::testing {
+	variable gone {}
+	oo::class create CB {
+	    variable cmd
+	    constructor other {set cmd $other}
+	    destructor {rename $cmd {}; lappend ::testing::gone $cmd}
+	}
+	namespace eval abc {
+	    ::testing::CB create def ::testing::abc::ghi
+	    ::testing::CB create ghi ::testing::abc::def
+	}
+	namespace delete abc
+	try {
+	    return [lsort $gone]
+	} finally {
+	    namespace delete ::testing
+	}
+    }
+} {::testing::abc::def ::testing::abc::ghi}
 
 # cleanup
 catch {rename cmd1 {}}
diff --git a/tests/nre.test b/tests/nre.test
index 9df5eb1..3313df5 100644
--- a/tests/nre.test
+++ b/tests/nre.test
@@ -29,9 +29,9 @@ if {[testConstraint testnrelevels]} {
 	namespace path ::tcl::mathop
 	#
 	# [testnrelevels] returns a 6-list with: C-stack depth, iPtr->numlevels,
-	# cmdFrame level, callFrame level, tosPtr and callback depth 
+	# cmdFrame level, callFrame level, tosPtr and callback depth
 	#
-	variable last [testnrelevels] 
+	variable last [testnrelevels]
 	proc depthDiff {} {
 	    variable last
 	    set depth [testnrelevels]
@@ -327,7 +327,7 @@ test nre-8.1 {nre and {*}} -body {
 } -cleanup {
     rename inner {}
     rename outer {}
-} -result {1 1 1} 
+} -result {1 1 1}
 test nre-8.2 {nre and {*}, [Bug 2415422]} -body {
     # force an expansion that grows the evaluation stack, check that nre
     # adapts the bcFramePtr. This causes an NRE assertion to fail if it is not
diff --git a/tests/obj.test b/tests/obj.test
index 151abfb..7bf00f7 100644
--- a/tests/obj.test
+++ b/tests/obj.test
@@ -26,7 +26,7 @@ testConstraint wideBiggerThanInt [expr {wide(0x80000000) != int(0x80000000)}]
 test obj-1.1 {Tcl_AppendAllObjTypes, and InitTypeTable, Tcl_RegisterObjType} testobj {
     set r 1
     foreach {t} {
-	{array search} 
+	{array search}
 	bytearray
 	bytecode
 	cmdName
@@ -82,7 +82,7 @@ test obj-6.1 {Tcl_DuplicateObj, object has internal rep} testobj {
     set result ""
     lappend result [testobj freeallvars]
     lappend result [testintobj set 1 47]
-    lappend result [testobj duplicate 1 2]    
+    lappend result [testobj duplicate 1 2]
     lappend result [testintobj get 2]
     lappend result [testobj refcount 1]
     lappend result [testobj refcount 2]
@@ -91,7 +91,7 @@ test obj-6.2 {Tcl_DuplicateObj, "empty string" object} testobj {
     set result ""
     lappend result [testobj freeallvars]
     lappend result [testobj newobj 1]
-    lappend result [testobj duplicate 1 2]    
+    lappend result [testobj duplicate 1 2]
     lappend result [testintobj get 2]
     lappend result [testobj refcount 1]
     lappend result [testobj refcount 2]
diff --git a/tests/oo.test b/tests/oo.test
index 895f7ed..9491f78 100644
--- a/tests/oo.test
+++ b/tests/oo.test
@@ -280,7 +280,7 @@ test oo-1.18.2 {Bug 21c144f0f5} -setup {
     }
 } -cleanup {
     interp delete slave
-} 
+}
 test oo-1.19 {basic test of OO functionality: teardown order} -body {
     oo::object create o
     namespace delete [info object namespace o]
@@ -1989,7 +1989,7 @@ test oo-15.10 {variable binding must not bleed through oo::copy} -setup {
 } -body {
     set obj1 [FooClass new]
     oo::objdefine $obj1 {
-	variable var 
+	variable var
 	method m {} {
 	    set var foo
 	}
@@ -2619,7 +2619,7 @@ test oo-20.10 {OO: variable and varname methods refer to same things} -setup {
 test oo-20.11 {OO: variable mustn't crash when recursing} -body {
     oo::class create A {
 	constructor {name} {
-	    my variable np_name 
+	    my variable np_name
 	    set np_name $name
 	}
 	method copy {nm} {
@@ -2634,7 +2634,7 @@ test oo-20.11 {OO: variable mustn't crash when recursing} -body {
 			lappend objs [$ref copy {}]
 		    }
 		    $cpy prop $var $objs
-		} else { 
+		} else {
 		    $cpy prop $var $val
 		}
 	    }
diff --git a/tests/package.test b/tests/package.test
index da778f1..49346d8 100644
--- a/tests/package.test
+++ b/tests/package.test
@@ -17,6 +17,11 @@ if {"::tcltest" ni [namespace children]} {
     namespace import -force ::tcltest::*
 }
 
+::tcltest::loadTestedCommands
+catch [list package require -exact Tcltest [info patchlevel]]
+
+testConstraint testpreferstable [llength [info commands testpreferstable]]
+
 # Do all this in a slave interp to avoid garbaging the package list
 set i [interp create]
 tcltest::loadIntoSlaveInterpreter $i {*}$argv
@@ -569,7 +574,8 @@ test package-3.44 {Tcl_PkgRequire: exact version matching (1578344)} -setup {
 } -returnCodes error -cleanup {
     package forget demo
 } -result {version conflict for package "demo": have 1.2.3, need exactly 1.2}
-test package-3.50 {Tcl_PkgRequire procedure, picking best stable version} -setup {
+test package-3.50 {Tcl_PkgRequire procedure, picking best stable version} -constraints testpreferstable -setup {
+    testpreferstable
     package forget t
     set x xxx
 } -body {
@@ -1233,9 +1239,11 @@ proc prefer {args} {
     }
 }
 
-test package-13.0 {package prefer defaults} {
+test package-13.0 {package prefer defaults} -constraints testpreferstable -setup {
+    testpreferstable
+} -body {
     prefer
-} stable
+} -result stable
 test package-13.1 {package prefer defaults} -body {
     set ::env(TCL_PKG_PREFER_LATEST) stable	;# value not relevant!
     prefer
@@ -1250,15 +1258,25 @@ test package-14.1 {bogus argument} -returnCodes error -body {
     package prefer foo
 } -result {bad preference "foo": must be latest or stable}
 
-test package-15.0 {set, keep} {package prefer stable} stable
-test package-15.1 {set stable, keep} {prefer stable} {stable stable}
-test package-15.2 {set latest, change} {prefer latest} {stable latest}
-test package-15.3 {set latest, keep} {
+test package-15.0 {set, keep} -constraints testpreferstable -setup {
+    testpreferstable
+} -body {package prefer stable} -result stable
+test package-15.1 {set stable, keep} -constraints testpreferstable -setup {
+    testpreferstable
+} -body {prefer stable} -result {stable stable}
+test package-15.2 {set latest, change} -constraints testpreferstable -setup {
+    testpreferstable
+} -body {prefer latest} -result {stable latest}
+test package-15.3 {set latest, keep} -constraints testpreferstable -setup {
+    testpreferstable
+} -body {
     prefer latest latest
-} {stable latest latest}
-test package-15.4 {set stable, rejected} {
+} -result {stable latest latest}
+test package-15.4 {set stable, rejected} -constraints testpreferstable -setup {
+    testpreferstable
+} -body {
     prefer latest stable
-} {stable latest latest}
+} -result {stable latest latest}
 
 rename prefer {}
 
diff --git a/tests/parse.test b/tests/parse.test
index d73c725..287c392 100644
--- a/tests/parse.test
+++ b/tests/parse.test
@@ -369,7 +369,7 @@ test parse-8.8 {Tcl_EvalObjv procedure, async handlers} -constraints {
     variable ::aresult
     variable ::acode
     proc async1 {result code} {
-	variable ::aresult 
+	variable ::aresult
 	variable ::acode
 	set aresult $result
 	set acode $code
diff --git a/tests/parseExpr.test b/tests/parseExpr.test
index ef05454..fda25b7 100644
--- a/tests/parseExpr.test
+++ b/tests/parseExpr.test
@@ -768,11 +768,11 @@ test parseExpr-21.8 {error messages} -body {
     expr {0o8x}
 } -returnCodes error -match glob -result {*invalid octal number*}
 test parseExpr-21.9 {error messages} -body {
-    expr {"} 
+    expr {"}
 } -returnCodes error -result {missing "
 in expression """}
 test parseExpr-21.10 {error messages} -body {
-    expr \{ 
+    expr \{
 } -returnCodes error -result "missing close-brace
 in expression \"\{\""
 test parseExpr-21.11 {error messages} -body {
diff --git a/tests/pkgMkIndex.test b/tests/pkgMkIndex.test
index 84c82ce..8ff806c 100644
--- a/tests/pkgMkIndex.test
+++ b/tests/pkgMkIndex.test
@@ -231,7 +231,7 @@ proc pkgtest::runCreatedIndex {rv args} {
 	    set result [list 0 [makePkgList [parseIndex $idxFile]]]
 	} err]} {
 	    set result [list 1 $err]
-	} 
+	}
 	file delete $idxFile
     } else {
 	set result $rv
diff --git a/tests/platform.test b/tests/platform.test
index c826444..5838a41 100644
--- a/tests/platform.test
+++ b/tests/platform.test
@@ -51,12 +51,12 @@ test platform-2.1 {tcl_platform(wordSize) indicates size of native word} {
 
 test platform-3.1 {CPU ID on Windows/UNIX} \
     -constraints testCPUID \
-    -body {		
+    -body {
 	set cpudata [testcpuid 0]
 	binary format iii \
 	    [lindex $cpudata 1] \
 	    [lindex $cpudata 3] \
-	    [lindex $cpudata 2] 
+	    [lindex $cpudata 2]
     } \
     -match regexp \
     -result {^(?:AuthenticAMD|CentaurHauls|CyrixInstead|GenuineIntel)$}
diff --git a/tests/proc.test b/tests/proc.test
index e06720e..bae5e15 100644
--- a/tests/proc.test
+++ b/tests/proc.test
@@ -99,7 +99,7 @@ test proc-1.6 {Tcl_ProcObjCmd, namespace code ignores single ":"s in middle or e
 test proc-1.7 {Tcl_ProcObjCmd, check that formal parameter names are not array elements} -setup {
     catch {rename p ""}
 } -returnCodes error -body {
-    proc p {a(1) a(2)} { 
+    proc p {a(1) a(2)} {
 	set z [expr $a(1)+$a(2)]
 	puts "$z=z, $a(1)=$a(1)"
     }
@@ -107,7 +107,7 @@ test proc-1.7 {Tcl_ProcObjCmd, check that formal parameter names are not array e
 test proc-1.8 {Tcl_ProcObjCmd, check that formal parameter names are simple names} -setup {
     catch {rename p ""}
 } -body {
-    proc p {b:a b::a} { 
+    proc p {b:a b::a} {
     }
 } -returnCodes error -result {formal parameter "b::a" is not a simple name}
 
@@ -329,7 +329,7 @@ test proc-5.1 {Bytecompiling noop; test for correct argument substitution} -body
 } -cleanup {
     catch {rename p ""}
     catch {rename t ""}
-} -result {aba}    
+} -result {aba}
 
 test proc-6.1 {ProcessProcResultCode: Bug 647307 (negative return code)} -body {
     proc a {} {return -code -5}
diff --git a/tests/reg.test b/tests/reg.test
index d040632..b9dc538 100644
--- a/tests/reg.test
+++ b/tests/reg.test
@@ -49,9 +49,9 @@ catch [list package require -exact Tcltest [info patchlevel]]
 # subexpressions, checking where empty substrings are located,
 # etc. should be done using expectIndices and expectPartial.
 
-# The flag characters are complex and a bit eclectic.  Generally speaking, 
+# The flag characters are complex and a bit eclectic.  Generally speaking,
 # lowercase letters are compile options, uppercase are expected re_info
-# bits, and nonalphabetics are match options, controls for how the test is 
+# bits, and nonalphabetics are match options, controls for how the test is
 # run, or testing options.  The one small surprise is that AREs are the
 # default, and you must explicitly request lesser flavors of RE.  The flags
 # are as follows.  It is admitted that some are not very mnemonic.
@@ -311,7 +311,7 @@ namespace eval RETest {
     # match expected (full fanciness)
     # expectIndices testno flags re target mat submat ...
     proc expectIndices {args} {
-	MatchExpected -indices {*}$args 
+	MatchExpected -indices {*}$args
     }
 
     # partial match expected
diff --git a/tests/regexp.test b/tests/regexp.test
index 9fff262..4ffdbdb 100644
--- a/tests/regexp.test
+++ b/tests/regexp.test
@@ -480,7 +480,7 @@ test regexp-11.12 {regsub without final variable name returns value} {
 } {a,bcd,c,ea,bcfd,cf,e}
 
 # This test crashes on the Mac unless you increase the Stack Space to about 1
-# Meg.  This is probably bigger than most users want... 
+# Meg.  This is probably bigger than most users want...
 # 8.2.3 regexp reduced stack space requirements, but this should be
 # tested again
 test regexp-12.1 {Tcl_RegExpExec: large number of subexpressions} {macCrash} {
@@ -742,10 +742,10 @@ test regexp-19.2 {regsub null replacement} {
 
 test regexp-20.1 {regsub shared object shimmering} {
     # Bug #461322
-    set a abcdefghijklmnopqurstuvwxyz 
-    set b $a 
-    set c abcdefghijklmnopqurstuvwxyz0123456789 
-    regsub $a $c $b d 
+    set a abcdefghijklmnopqurstuvwxyz
+    set b $a
+    set c abcdefghijklmnopqurstuvwxyz0123456789
+    regsub $a $c $b d
     list $d [string length $d] [string bytelength $d]
 } [list abcdefghijklmnopqurstuvwxyz0123456789 37 37]
 test regexp-20.2 {regsub shared object shimmering with -about} {
diff --git a/tests/regexpComp.test b/tests/regexpComp.test
index 01ef06d..b8e64b6 100644
--- a/tests/regexpComp.test
+++ b/tests/regexpComp.test
@@ -22,7 +22,7 @@ if {[lsearch [namespace children] ::tcltest] == -1} {
 proc evalInProc { script } {
     proc testProc {} $script
     set status [catch {
-	testProc 
+	testProc
     } result]
     rename testProc {}
     return $result
@@ -607,7 +607,7 @@ test regexpComp-11.8 {regsub errors, -start bad int check} {
 } {1 {bad index "bogus": must be integer?[+-]integer? or end?[+-]integer?}}
 
 # This test crashes on the Mac unless you increase the Stack Space to about 1
-# Meg.  This is probably bigger than most users want... 
+# Meg.  This is probably bigger than most users want...
 # 8.2.3 regexp reduced stack space requirements, but this should be
 # tested again
 test regexpComp-12.1 {Tcl_RegExpExec: large number of subexpressions} {macCrash} {
@@ -794,10 +794,10 @@ test regexpComp-19.1 {regsub null replacement} {
 test regexpComp-20.1 {regsub shared object shimmering} {
     evalInProc {
 	# Bug #461322
-	set a abcdefghijklmnopqurstuvwxyz 
-	set b $a 
-	set c abcdefghijklmnopqurstuvwxyz0123456789 
-	regsub $a $c $b d 
+	set a abcdefghijklmnopqurstuvwxyz
+	set b $a
+	set c abcdefghijklmnopqurstuvwxyz0123456789
+	regsub $a $c $b d
 	list $d [string length $d] [string bytelength $d]
     }
 } [list abcdefghijklmnopqurstuvwxyz0123456789 37 37]
diff --git a/tests/registry.test b/tests/registry.test
index 0f78212..2072559 100644
--- a/tests/registry.test
+++ b/tests/registry.test
@@ -19,7 +19,7 @@ testConstraint reg 0
 if {[testConstraint win]} {
     if {![catch {
 	    ::tcltest::loadTestedCommands
-	    set ::regver [package require registry 1.3.1]
+	    set ::regver [package require registry 1.3.2]
 	}]} {
 	testConstraint reg 1
     }
@@ -33,7 +33,7 @@ testConstraint english [expr {
 
 test registry-1.0 {check if we are testing the right dll} {win reg} {
     set ::regver
-} {1.3.1}
+} {1.3.2}
 test registry-1.1 {argument parsing for registry command} {win reg} {
     list [catch {registry} msg] $msg
 } {1 {wrong # args: should be "registry ?-32bit|-64bit? option ?arg ...?"}}
diff --git a/tests/set-old.test b/tests/set-old.test
index 94b6901..0e9ca63 100644
--- a/tests/set-old.test
+++ b/tests/set-old.test
@@ -931,7 +931,7 @@ catch {rename foo {}}
 
 # cleanup
 ::tcltest::cleanupTests
-return 
+return
 
 # Local Variables:
 # mode: tcl
diff --git a/tests/set.test b/tests/set.test
index 18119f5..7e4b864 100644
--- a/tests/set.test
+++ b/tests/set.test
@@ -536,4 +536,4 @@ catch {unset i}
 catch {unset x}
 catch {unset z}
 ::tcltest::cleanupTests
-return 
+return
diff --git a/tests/split.test b/tests/split.test
index 778131f..585fef5 100644
--- a/tests/split.test
+++ b/tests/split.test
@@ -43,7 +43,7 @@ test split-1.8 {basic split commands} {
         foreach f [split {]\n} {}] {
             append x $f
         }
-        return $x	
+        return $x
     }
     foo
 } {]\n}
diff --git a/tests/stack.test b/tests/stack.test
index 13bc524..4c50f74 100644
--- a/tests/stack.test
+++ b/tests/stack.test
@@ -31,7 +31,7 @@ test stack-2.1 {maxNestingDepth reached on infinite recursion} -body {
 	puts $msg
     }
 } -result {too many nested evaluations (infinite loop?)}
-    
+
 # Make sure that there is enough stack to run regexp even if we're
 # close to the recursion limit. [Bug 947070] [Patch 746378]
 test stack-3.1 {enough room for regexp near recursion limit} -body {
diff --git a/tests/string.test b/tests/string.test
index 3611753..418bc61 100644
--- a/tests/string.test
+++ b/tests/string.test
@@ -219,7 +219,7 @@ test string-4.14 {string first, negative start index} {
 } 1
 test string-4.15 {string first, ability to two-byte encoded utf-8 chars} {
     # Test for a bug in Tcl 8.3 where test for all-single-byte-encoded
-    # strings was incorrect, leading to an index returned by [string first] 
+    # strings was incorrect, leading to an index returned by [string first]
     # which pointed past the end of the string.
     set uchar \u057e    ;# character with two-byte encoding in utf-8
     string first % %#$uchar$uchar#$uchar$uchar#% 3
@@ -419,7 +419,7 @@ test string-6.37 {string is double, false on int overflow} -setup {
 } -result {1 priorValue}
 # string-6.38 removed, underflow on input is no longer an error.
 test string-6.39 {string is double, false} {
-    # This test is non-portable because IRIX thinks 
+    # This test is non-portable because IRIX thinks
     # that .e1 is a valid double - this is really a bug
     # on IRIX as .e1 should NOT be a valid double
     #
@@ -1833,7 +1833,7 @@ proc MemStress {args} {
     set res {}
     foreach body $args {
         set end 0
-        for {set i 0} {$i < 5} {incr i} { 
+        for {set i 0} {$i < 5} {incr i} {
             proc MemStress_Body {} $body
             uplevel 1 MemStress_Body
             rename MemStress_Body {}
diff --git a/tests/stringComp.test b/tests/stringComp.test
index a66525e..140a270 100644
--- a/tests/stringComp.test
+++ b/tests/stringComp.test
@@ -728,6 +728,16 @@ test stringComp-14.3 {Bug 0dca3bfa8f} {
 	expr {$arg ne $argCopy}
     }} abcde
 } 1
+test stringComp-14.4 {Bug 1af8de570511} {
+    apply {{x y} {
+	# Generate an unshared string value
+	set val ""
+	for { set i 0 } { $i < $x } { incr i } {
+	    set val [format "0%s" $val]
+	}
+	string replace $val[unset val] 1 1 $y
+    }} 4 x
+} 0x00
 
 ## string tolower
 ## not yet bc
diff --git a/tests/stringObj.test b/tests/stringObj.test
index 8209142..49f268e 100644
--- a/tests/stringObj.test
+++ b/tests/stringObj.test
@@ -414,10 +414,10 @@ test stringObj-13.3 {Tcl_GetCharLength with byte-size chars} testobj {
     list [string length $a] [string length $a]
 } {6 6}
 test stringObj-13.4 {Tcl_GetCharLength with mixed width chars} testobj {
-    string length "\u00ae" 
+    string length "\u00ae"
 } 1
 test stringObj-13.5 {Tcl_GetCharLength with mixed width chars} testobj {
-    # string length "￮￮" 
+    # string length "￮￮"
     # Use \uXXXX notation below instead of hardcoding the values, otherwise
     # the test will fail in multibyte locales.
     string length "\u00EF\u00BF\u00AE\u00EF\u00BF\u00AE"
diff --git a/tests/subst.test b/tests/subst.test
index 2115772..1f3c22a 100644
--- a/tests/subst.test
+++ b/tests/subst.test
@@ -91,29 +91,29 @@ test subst-5.4 {command substitutions} {
 } {1 {invalid command name "bogus_command"}}
 test subst-5.5 {command substitutions} {
     set a 0
-    list [catch {subst {[set a 1}} msg] $a $msg 
+    list [catch {subst {[set a 1}} msg] $a $msg
 } {1 0 {missing close-bracket}}
 test subst-5.6 {command substitutions} {
     set a 0
-    list [catch {subst {0[set a 1}} msg] $a $msg 
+    list [catch {subst {0[set a 1}} msg] $a $msg
 } {1 0 {missing close-bracket}}
 test subst-5.7 {command substitutions} {
     set a 0
-    list [catch {subst {0[set a 1; set a 2}} msg] $a $msg 
+    list [catch {subst {0[set a 1; set a 2}} msg] $a $msg
 } {1 1 {missing close-bracket}}
 
 # repeat the tests above simulating cmd line input
 test subst-5.8 {command substitutions} {
     set script {[subst {[set a 1}]}
-    list [catch {exec [info nameofexecutable] << $script} msg] $msg 
+    list [catch {exec [info nameofexecutable] << $script} msg] $msg
 } {1 {missing close-bracket}}
 test subst-5.9 {command substitutions} {
     set script {[subst {0[set a 1}]}
-    list [catch {exec [info nameofexecutable] << $script} msg] $msg 
+    list [catch {exec [info nameofexecutable] << $script} msg] $msg
 } {1 {missing close-bracket}}
 test subst-5.10 {command substitutions} {
     set script {[subst {0[set a 1; set a 2}]}
-    list [catch {exec [info nameofexecutable] << $script} msg] $msg 
+    list [catch {exec [info nameofexecutable] << $script} msg] $msg
 } {1 {missing close-bracket}}
 
 test subst-6.1 {clear the result after command substitution} -body {
@@ -166,7 +166,7 @@ test subst-8.6 {return in a subst} -returnCodes error -body {
     subst "foo \[return {x}; bogus code bar"
 } -result {missing close-bracket}
 test subst-8.7 {return in a subst, parse error} -body {
-    subst {foo [return {x} ; set a {}"" ; stuff] bar} 
+    subst {foo [return {x} ; set a {}"" ; stuff] bar}
 } -returnCodes error -result {extra characters after close-brace}
 test subst-8.8 {return in a subst, parse error} -body {
     subst {foo [return {x} ; set bar baz ; set a {}"" ; stuff] bar}
diff --git a/tests/tailcall.test b/tests/tailcall.test
index 26f3cbf..ce506a7 100644
--- a/tests/tailcall.test
+++ b/tests/tailcall.test
@@ -28,9 +28,9 @@ if {[testConstraint testnrelevels]} {
     namespace eval testnre {
 	#
 	# [testnrelevels] returns a 6-list with: C-stack depth, iPtr->numlevels,
-	# cmdFrame level, callFrame level, tosPtr and callback depth 
+	# cmdFrame level, callFrame level, tosPtr and callback depth
 	#
-	variable last [testnrelevels] 
+	variable last [testnrelevels]
 	proc depthDiff {} {
 	    variable last
 	    set depth [testnrelevels]
@@ -148,7 +148,7 @@ test tailcall-0.5 {tailcall is constant space} -constraints testnrelevels -setup
 } -result {0 0 0 0 0 0}
 
 test tailcall-0.5.1 {tailcall is constant space} -constraints testnrelevels -setup {
-    # 
+    #
     # This test is related to [bug d87cb182053fd79b3]: the fix to that bug was
     # to remove a call to TclSkipTailcall, which caused a violation of the
     # constant-space property of tailcall in that particular
@@ -245,7 +245,7 @@ test tailcall-1 {tailcall} -body {
     }
     variable x *::
     proc xset args {error ::xset}
-    list [::b::moo] | $x $a::x $b::x | $::b::y 
+    list [::b::moo] | $x $a::x $b::x | $::b::y
 } -cleanup {
     unset x
     rename xset {}
@@ -619,7 +619,7 @@ test tailcall-12.3a3 {[Bug 2695587]} -body {
     set x
 } -cleanup {
     unset x
-} -result {0 1} 
+} -result {0 1}
 
 test tailcall-12.3b0 {[Bug 2695587]} -body {
     apply {{} {
@@ -654,7 +654,7 @@ test tailcall-12.3b3 {[Bug 2695587]} -body {
     set x
 } -cleanup {
     unset x
-} -result {0 1} 
+} -result {0 1}
 
 # MORE VARIANTS MISSING: bc'ed caught script vs (bc'ed, not-bc'ed)
 # catch. Actually superfluous now, as tailcall just returns TCL_RETURN so that
diff --git a/tests/tm.test b/tests/tm.test
index 1b22f8c..a4dafe0 100644
--- a/tests/tm.test
+++ b/tests/tm.test
@@ -200,7 +200,7 @@ test tm-3.11 {tm: module path management, remove ignores unknown path} -setup {
 proc genpaths {base} {
     # Normalizing picks up drive letters on windows [Bug 1053568]
     set base [file normalize $base]
-    lassign [split [package present Tcl] .] major minor 
+    lassign [split [package present Tcl] .] major minor
     set results {}
     set base [file join $base tcl$major]
     lappend results [file join $base site-tcl]
diff --git a/tests/trace.test b/tests/trace.test
index d830f3c..1099f48 100644
--- a/tests/trace.test
+++ b/tests/trace.test
@@ -164,30 +164,30 @@ test trace-1.10 {trace variable reads} {
 } {}
 test trace-1.11 {read traces that modify the array structure} {
     unset -nocomplain x
-    set x(bar) 0 
-    trace variable x r {set x(foo) 1 ;#} 
-    trace variable x r {unset -nocomplain x(bar) ;#} 
+    set x(bar) 0
+    trace variable x r {set x(foo) 1 ;#}
+    trace variable x r {unset -nocomplain x(bar) ;#}
     array get x
 } {}
 test trace-1.12 {read traces that modify the array structure} {
     unset -nocomplain x
-    set x(bar) 0 
-    trace variable x r {unset -nocomplain x(bar) ;#} 
-    trace variable x r {set x(foo) 1 ;#} 
+    set x(bar) 0
+    trace variable x r {unset -nocomplain x(bar) ;#}
+    trace variable x r {set x(foo) 1 ;#}
     array get x
 } {}
 test trace-1.13 {read traces that modify the array structure} {
     unset -nocomplain x
-    set x(bar) 0 
-    trace variable x r {set x(foo) 1 ;#} 
-    trace variable x r {unset -nocomplain x;#} 
+    set x(bar) 0
+    trace variable x r {set x(foo) 1 ;#}
+    trace variable x r {unset -nocomplain x;#}
     list [catch {array get x} res] $res
 } {1 {can't read "x(bar)": no such variable}}
 test trace-1.14 {read traces that modify the array structure} {
     unset -nocomplain x
-    set x(bar) 0 
-    trace variable x r {unset -nocomplain x;#} 
-    trace variable x r {set x(foo) 1 ;#} 
+    set x(bar) 0
+    trace variable x r {unset -nocomplain x;#}
+    trace variable x r {set x(foo) 1 ;#}
     list [catch {array get x} res] $res
 } {1 {can't read "x(bar)": no such variable}}
 
@@ -419,7 +419,7 @@ test trace-5.8 {array traces fire for undefined variables} {
     trace add variable x array {set x(foo) 1 ;#}
     set res "names: [array names x]"
 } {names: foo}
-    
+
 # Trace multiple trace types at once.
 
 test trace-6.1 {multiple ops traced at once} {
@@ -767,7 +767,7 @@ test trace-13.1 {delete one trace from another} {
     trace add variable x read {traceTag 2}
     trace add variable x read {traceTag 3}
     trace add variable x read {traceTag 4}
-    trace add variable x read delTraces 
+    trace add variable x read delTraces
     trace add variable x read {traceTag 5}
     set x
     set info
@@ -872,7 +872,7 @@ test trace-14.5 {trace command, invalid option} {
 } [list 1 "bad option \"gorp\": must be add, info, remove, variable, vdelete, or vinfo"]
 
 # Again, [trace ... command] and [trace ... variable] share syntax and
-# error message styles for their opList options; these loops test those 
+# error message styles for their opList options; these loops test those
 # error messages.
 
 set i 0
@@ -2104,7 +2104,7 @@ foo foo 0 1 leave}
 test trace-28.2 {exec traces with 'error'} {
     set info {}
     set res {}
-    
+
     proc foo {} {
 	if {[catch {bar}]} {
 	    return "error"
@@ -2126,7 +2126,7 @@ test trace-28.2 {exec traces with 'error'} {
 
     trace remove execution foo {enter enterstep leave leavestep} \
       [list traceExecute foo]
-    
+
     list $res [join $info \n]
 } {{error error} {foo foo enter
 foo {if {[catch {bar}]} {
@@ -2152,7 +2152,7 @@ foo foo 0 error leave}}
 test trace-28.3 {exec traces with 'return -code error'} {
     set info {}
     set res {}
-    
+
     proc foo {} {
 	if {[catch {bar}]} {
 	    return "error"
@@ -2174,7 +2174,7 @@ test trace-28.3 {exec traces with 'return -code error'} {
 
     trace remove execution foo {enter enterstep leave leavestep} \
       [list traceExecute foo]
-    
+
     list $res [join $info \n]
 } {{error error} {foo foo enter
 foo {if {[catch {bar}]} {
@@ -2204,7 +2204,7 @@ test trace-28.4 {exec traces in slave with 'return -code error'} {
     set res [interp eval slave {
 	set info {}
 	set res {}
-	
+
 	proc foo {} {
 	    if {[catch {bar}]} {
 		return "error"
@@ -2212,21 +2212,21 @@ test trace-28.4 {exec traces in slave with 'return -code error'} {
 		return "ok"
 	    }
 	}
-	
+
 	proc bar {} { return -code error "msg" }
-	
+
 	lappend res [foo]
-	
+
 	trace add execution foo {enter enterstep leave leavestep} \
 	  [list traceExecute foo]
-	
+
 	# With the trace active
-	
+
 	lappend res [foo]
-	
+
 	trace remove execution foo {enter enterstep leave leavestep} \
 	  [list traceExecute foo]
-	
+
 	list $res
     }]
     interp delete slave
@@ -2610,7 +2610,7 @@ test trace-39 {bug #3484621: tracing Bc'ed commands} -setup {
     proc foo {} {
 	incr ::traceCalls
 	# choose a BC'ed command that is 'unlikely' to interfere with tcltest's
-	# internals 
+	# internals
 	lset ::bar 1 2
     }
 } -body {
@@ -2631,7 +2631,7 @@ test trace-39 {bug #3484621: tracing Bc'ed commands} -setup {
     rename dotrace {}
     rename foo {}
 } -result {3 | 0 1 1}
-    
+
 test trace-39.1 {bug #3485022: tracing Bc'ed commands} -setup {
     set ::traceLog 0
     set ::traceCalls 0
@@ -2668,7 +2668,7 @@ test trace-40.1 {execution trace errors become command errors} {
     catch foo m
     return -level 0 $m[unset m]
 } bar
-    
+
 # Delete procedures when done, so we don't clash with other tests
 # (e.g. foobar will clash with 'unknown' tests).
 catch {rename foobar {}}
diff --git a/tests/unixForkEvent.test b/tests/unixForkEvent.test
index 120f362..d7b86fd 100644
--- a/tests/unixForkEvent.test
+++ b/tests/unixForkEvent.test
@@ -37,7 +37,7 @@ test unixforkevent-1.1 {fork and test writeable event} \
 	viewFile result.txt $myFolder
     } \
     -result {writable} \
-    -cleanup { 
+    -cleanup {
 	catch { removeFolder $myFolder }
     }
 
diff --git a/tests/unixNotfy.test b/tests/unixNotfy.test
index 2f03529..18b967f 100644
--- a/tests/unixNotfy.test
+++ b/tests/unixNotfy.test
@@ -34,7 +34,7 @@ test unixNotfy-1.1 {Tcl_DeleteFileHandler} -constraints {noTk unix unthreaded} -
     vwait x
     close $f
     list [catch {vwait x} msg] $msg
-} -result {1 {can't wait for variable "x": would wait forever}} -cleanup { 
+} -result {1 {can't wait for variable "x": would wait forever}} -cleanup {
     catch { close $f }
     catch { removeFile foo }
 }
@@ -90,7 +90,7 @@ test unixNotfy-2.2 {Tcl_DeleteFileHandler} \
 	set x
     } \
     -result {ok} \
-    -cleanup { 
+    -cleanup {
 	catch { close $f1 }
 	catch { close $f2 }
 	catch { removeFile foo }
diff --git a/tests/unknown.test b/tests/unknown.test
index e80d3a6..6c31c3d 100644
--- a/tests/unknown.test
+++ b/tests/unknown.test
@@ -58,7 +58,7 @@ test unknown-4.1 {errors in "unknown" procedure} {
 catch {rename unknown {}}
 catch {rename unknown.old unknown}
 cleanupTests
-return 
+return
 
 # Local Variables:
 # mode: tcl
diff --git a/tests/uplevel.test b/tests/uplevel.test
index 0410469..737c571 100644
--- a/tests/uplevel.test
+++ b/tests/uplevel.test
@@ -101,6 +101,105 @@ test uplevel-4.4 {error: not enough args} -returnCodes error -body {
 	uplevel 1
     }}
 } -result {wrong # args: should be "uplevel ?level? command ?arg ...?"}
+test uplevel-4.5 {level parsing} {
+    apply {{} {uplevel 0 {}}}
+} {}
+test uplevel-4.6 {level parsing} {
+    apply {{} {uplevel #0 {}}}
+} {}
+test uplevel-4.7 {level parsing} {
+    apply {{} {uplevel [expr 0] {}}}
+} {}
+test uplevel-4.8 {level parsing} {
+    apply {{} {uplevel #[expr 0] {}}}
+} {}
+test uplevel-4.9 {level parsing} {
+    apply {{} {uplevel -0 {}}}
+} {}
+test uplevel-4.10 {level parsing} {
+    apply {{} {uplevel #-0 {}}}
+} {}
+test uplevel-4.11 {level parsing} {
+    apply {{} {uplevel [expr -0] {}}}
+} {}
+test uplevel-4.12 {level parsing} {
+    apply {{} {uplevel #[expr -0] {}}}
+} {}
+test uplevel-4.13 {level parsing} {
+    apply {{} {uplevel 1 {}}}
+} {}
+test uplevel-4.14 {level parsing} {
+    apply {{} {uplevel #1 {}}}
+} {}
+test uplevel-4.15 {level parsing} {
+    apply {{} {uplevel [expr 1] {}}}
+} {}
+test uplevel-4.16 {level parsing} {
+    apply {{} {uplevel #[expr 1] {}}}
+} {}
+test uplevel-4.17 {level parsing} {
+    apply {{} {uplevel -0xffffffff {}}}
+} {}
+test uplevel-4.18 {level parsing} {
+    apply {{} {uplevel #-0xffffffff {}}}
+} {}
+test uplevel-4.19 {level parsing} {
+    apply {{} {uplevel [expr -0xffffffff] {}}}
+} {}
+test uplevel-4.20 {level parsing} {
+    apply {{} {uplevel #[expr -0xffffffff] {}}}
+} {}
+test uplevel-4.21 {level parsing} -body {
+    apply {{} {uplevel -1 {}}}
+} -returnCodes error -result {invalid command name "-1"}
+test uplevel-4.22 {level parsing} -body {
+    apply {{} {uplevel #-1 {}}}
+} -returnCodes error -result {bad level "#-1"}
+test uplevel-4.23 {level parsing} -body {
+    apply {{} {uplevel [expr -1] {}}}
+} -returnCodes error -result {invalid command name "-1"}
+test uplevel-4.24 {level parsing} -body {
+    apply {{} {uplevel #[expr -1] {}}}
+} -returnCodes error -result {bad level "#-1"}
+test uplevel-4.25 {level parsing} -body {
+    apply {{} {uplevel 0xffffffff {}}}
+} -returnCodes error -result {bad level "0xffffffff"}
+test uplevel-4.26 {level parsing} -body {
+    apply {{} {uplevel #0xffffffff {}}}
+} -returnCodes error -result {bad level "#0xffffffff"}
+test uplevel-4.27 {level parsing} -body {
+    apply {{} {uplevel [expr 0xffffffff] {}}}
+} -returnCodes error -result {bad level "4294967295"}
+test uplevel-4.28 {level parsing} -body {
+    apply {{} {uplevel #[expr 0xffffffff] {}}}
+} -returnCodes error -result {bad level "#4294967295"}
+test uplevel-4.29 {level parsing} -body {
+    apply {{} {uplevel 0.2 {}}}
+} -returnCodes error -result {bad level "0.2"}
+test uplevel-4.30 {level parsing} -body {
+    apply {{} {uplevel #0.2 {}}}
+} -returnCodes error -result {bad level "#0.2"}
+test uplevel-4.31 {level parsing} -body {
+    apply {{} {uplevel [expr 0.2] {}}}
+} -returnCodes error -result {bad level "0.2"}
+test uplevel-4.32 {level parsing} -body {
+    apply {{} {uplevel #[expr 0.2] {}}}
+} -returnCodes error -result {bad level "#0.2"}
+test uplevel-4.33 {level parsing} -body {
+    apply {{} {uplevel .2 {}}}
+} -returnCodes error -result {invalid command name ".2"}
+test uplevel-4.34 {level parsing} -body {
+    apply {{} {uplevel #.2 {}}}
+} -returnCodes error -result {bad level "#.2"}
+test uplevel-4.35 {level parsing} -body {
+    apply {{} {uplevel [expr .2] {}}}
+} -returnCodes error -result {bad level "0.2"}
+test uplevel-4.36 {level parsing} -body {
+    apply {{} {uplevel #[expr .2] {}}}
+} -returnCodes error -result {bad level "#0.2"}
+
+
+
 
 proc a2 {} {
     uplevel a3
@@ -138,7 +237,7 @@ test uplevel-7.1 {var access, no LVT in either level} -setup {
     unset -nocomplain y z
 } -body {
     namespace eval foo {
-	set x 2 
+	set x 2
 	set y 2
 	uplevel 1 {
 	    set x 3
@@ -157,7 +256,7 @@ test uplevel-7.2 {var access, no LVT in upper level} -setup {
     unset -nocomplain y z
 } -body {
     proc foo {} {
-	set x 2 
+	set x 2
 	set y 2
 	uplevel 1 {
 	    set x 3
@@ -181,7 +280,7 @@ test uplevel-7.3 {var access, LVT in upper level} -setup {
     }
 } -body {
     proc foo {} {
-	set x 2 
+	set x 2
 	set y 2
 	uplevel 1 {
 	    set x 3
diff --git a/tests/upvar.test b/tests/upvar.test
index 5ea870d..476250c 100644
--- a/tests/upvar.test
+++ b/tests/upvar.test
@@ -477,7 +477,7 @@ test upvar-NS-1.4 {nsupvar links to correct variable} -body {
 } -returnCodes error -cleanup {
     namespace delete test_ns_1
 } -result {namespace "test_ns_0" not found in "::test_ns_1"}
-    
+
 test upvar-NS-1.5 {nsupvar links to correct variable} -body {
     namespace eval test_ns_1 {
 	namespace eval test_ns_0 {}
diff --git a/tests/utf.test b/tests/utf.test
index ceb1af7..a03dd6c 100644
--- a/tests/utf.test
+++ b/tests/utf.test
@@ -302,7 +302,7 @@ test utf-21.1 {TclUniCharIsAlnum} {
 } {1}
 test utf-21.2 {unicode alnum char in regc_locale.c} {
     # this returns 1 with Unicode 7 compliance
-    list [regexp {^[[:alnum:]]+$} \u1040\u021f\u0220] [regexp {^\w+$} \u1040\u021f\u0220]
+    list [regexp {^[[:alnum:]]+$} \u1040\u021f\u0220] [regexp {^\w+$} \u1040\u021f\u0220_\u203f\u2040\u2054\ufe33\ufe34\ufe4d\ufe4e\ufe4f\uff3f]
 } {1 1}
 test utf-21.3 {unicode print char in regc_locale.c} {
     # this returns 1 with Unicode 7 compliance
diff --git a/tests/util.test b/tests/util.test
index 7782f35..2ac11bf 100644
--- a/tests/util.test
+++ b/tests/util.test
@@ -208,7 +208,7 @@ test util-4.6 {Tcl_ConcatObj - utf-8 sequence with "whitespace" char} {
 } \xe0
 test util-4.7 {Tcl_ConcatObj - refCount safety} testconcatobj {
     # Check for Bug #1447328 (actually, bugs in its original "fix"). One of the
-    # symptoms was Bug #2055782. 
+    # symptoms was Bug #2055782.
     testconcatobj
 } {}
 
@@ -566,7 +566,7 @@ test util-9.1.3 {TclGetIntForIndex} {
 } k
 test util-9.2.0 {TclGetIntForIndex} {
     string index abcd end
-} d 
+} d
 test util-9.2.1 {TclGetIntForIndex} -body {
     string index abcd { end}
 } -returnCodes error -match glob -result *
@@ -4007,7 +4007,7 @@ test util-17.1 {bankers' rounding [Bug 3349507]} {ieeeFloatingPoint} {
     }
     set r
 } [list {*}{
-    0x43fffffffffffffc 0xc3fffffffffffffc 
+    0x43fffffffffffffc 0xc3fffffffffffffc
     0x43fffffffffffffc 0xc3fffffffffffffc
     0x43fffffffffffffd 0xc3fffffffffffffd
     0x43fffffffffffffe 0xc3fffffffffffffe
diff --git a/tests/var.test b/tests/var.test
index b6b09fd..6f90664 100644
--- a/tests/var.test
+++ b/tests/var.test
@@ -39,7 +39,7 @@ catch {unset arr}
 test var-1.1 {TclLookupVar, Array handling} -setup {
     catch {unset a}
 } -body {
-    set x "incr"  ;# force no compilation and runtime call to Tcl_IncrCmd 
+    set x "incr"  ;# force no compilation and runtime call to Tcl_IncrCmd
     set i 10
     set arr(foo) 37
     list [$x i] $i [$x arr(foo)] $arr(foo)
@@ -216,7 +216,7 @@ test var-3.3 {MakeUpvar, my var has TCL_GLOBAL_ONLY specified} -setup {
     set a 123321
     proc p {} {
 	# create global xx linked to global a
-	testupvar 1 a {} xx global 
+	testupvar 1 a {} xx global
     }
     list [p] $xx [set xx 789] $a
 } -result {{} 123321 789 789}
@@ -228,7 +228,7 @@ test var-3.4 {MakeUpvar, my var has TCL_NAMESPACE_ONLY specified} -setup {
 	catch {unset ::test_ns_var::vv}
 	proc p {} {
 	    # create namespace var vv linked to global a
-	    testupvar 1 a {} vv namespace 
+	    testupvar 1 a {} vv namespace
 	}
 	p
     }
@@ -516,11 +516,11 @@ test var-7.14 {Tcl_VariableObjCmd, array element parameter} -body {
     namespace eval test_ns_var { variable arrayvar(1) }
 } -returnCodes error -result "can't define \"arrayvar(1)\": name refers to an element in an array"
 test var-7.15 {Tcl_VariableObjCmd, array element parameter} -body {
-    namespace eval test_ns_var { 
+    namespace eval test_ns_var {
 	variable arrayvar
 	set arrayvar(1) x
 	variable arrayvar(1) y
-    }   
+    }
 } -returnCodes error -result "can't define \"arrayvar(1)\": name refers to an element in an array"
 test var-7.16 {Tcl_VariableObjCmd, no args (TIP 323)} {
     variable
@@ -742,7 +742,7 @@ test var-15.1 {segfault in [unset], [Bug 735335]} {
 	set var $name
     }
     #
-    # Note that the variable name has to be 
+    # Note that the variable name has to be
     # unused previously for the segfault to
     # be triggered.
     #
diff --git a/tests/winPipe.test b/tests/winPipe.test
index 9c6f94d..8128fe2 100644
--- a/tests/winPipe.test
+++ b/tests/winPipe.test
@@ -34,14 +34,14 @@ testConstraint testexcept   [llength [info commands testexcept]]
 
 set big bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n
 append big $big
-append big $big	
+append big $big
 append big $big
 append big $big
 append big $big
 append big $big
 
 set path(little) [makeFile {} little]
-set f [open $path(little) w] 
+set f [open $path(little) w]
 puts -nonewline $f "little"
 close $f
 
diff --git a/tests/zlib.test b/tests/zlib.test
index 7a486ba..968469d 100644
--- a/tests/zlib.test
+++ b/tests/zlib.test
@@ -875,6 +875,24 @@ test zlib-11.3 {Bug 3595576 variant} -setup {
 } -cleanup {
     removeFile $file
 } -returnCodes error -result {can't set "noSuchNs::foo": parent namespace doesn't exist}
+
+test zlib-12.1 {Tk Bug 9eb55debc5} -constraints zlib -setup {
+    set stream [zlib stream compress]
+} -body {
+    for {set opts {};set y 0} {$y < 60} {incr y} {
+	for {set line {};set x 0} {$x < 100} {incr x} {
+	    append line [binary format ccc $x $y 128]
+	}
+	if {$y == 59} {
+	    set opts -finalize
+	}
+	$stream put {*}$opts $line
+    }
+    set data [$stream get]
+    list [string length $data] [string length [zlib decompress $data]]
+} -cleanup {
+    $stream close
+} -result {12026 18000}
 
 ::tcltest::cleanupTests
 return
diff --git a/tools/genStubs.tcl b/tools/genStubs.tcl
index beede9e..9f2c6ca 100644
--- a/tools/genStubs.tcl
+++ b/tools/genStubs.tcl
@@ -10,8 +10,6 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 
-package require Tcl 8.4
-
 namespace eval genStubs {
     # libraryName --
     #
diff --git a/tools/man2html.tcl b/tools/man2html.tcl
index 6d4724f..2d03ab6 100644
--- a/tools/man2html.tcl
+++ b/tools/man2html.tcl
@@ -2,8 +2,6 @@
 # \
 exec tclsh "$0" ${1+"$@"}
 
-package require Tcl 8.4
-
 # man2html.tcl --
 #
 # This file contains procedures that work in conjunction with the
diff --git a/tools/man2html1.tcl b/tools/man2html1.tcl
index e8d29e8..64982ff 100644
--- a/tools/man2html1.tcl
+++ b/tools/man2html1.tcl
@@ -5,8 +5,6 @@
 #
 # Copyright (c) 1996 by Sun Microsystems, Inc.
 
-package require Tcl 8.4
-
 # Global variables used by these scripts:
 #
 # state -	state variable that controls action of text proc.
diff --git a/tools/man2html2.tcl b/tools/man2html2.tcl
index 163196e..e4ccedf 100644
--- a/tools/man2html2.tcl
+++ b/tools/man2html2.tcl
@@ -6,8 +6,6 @@
 #
 # Copyright (c) 1996 by Sun Microsystems, Inc.
 
-package require Tcl 8.4
-
 # Global variables used by these scripts:
 #
 # NAME_file -	array indexed by NAME and containing file names used for
diff --git a/tools/tclZIC.tcl b/tools/tclZIC.tcl
index 005919a..85c9ba9 100755
--- a/tools/tclZIC.tcl
+++ b/tools/tclZIC.tcl
@@ -30,8 +30,6 @@
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #----------------------------------------------------------------------
 
-package require Tcl 8.5
-
 # Define the names of the Olson files that we need to load.
 # We avoid the solar time files and the leap seconds.
 
diff --git a/tools/tcltk-man2html.tcl b/tools/tcltk-man2html.tcl
index 6d899a0..9a372b7 100755
--- a/tools/tcltk-man2html.tcl
+++ b/tools/tcltk-man2html.tcl
@@ -1,6 +1,6 @@
 #!/usr/bin/env tclsh
 
-if {[catch {package require Tcl 8.6} msg]} {
+if {[catch {package require Tcl 8.6-} msg]} {
     puts stderr "ERROR: $msg"
     puts stderr "If running this script from 'make html', set the\
 	NATIVE_TCLSH environment\nvariable to point to an installed\
diff --git a/unix/Makefile.in b/unix/Makefile.in
index 70e7c9f3f2..33b314f 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -658,7 +658,7 @@ Makefile: $(UNIX_DIR)/Makefile.in $(DLTEST_DIR)/Makefile.in
 #	$(SHELL) config.status
 
 clean: clean-packages
-	rm -f *.a *.o libtcl* core errs *~ \#* TAGS *.E a.out \
+	rm -rf *.a *.o libtcl* core errs *~ \#* TAGS *.E a.out \
 		errors ${TCL_EXE} ${TCLTEST_EXE} lib.exp Tcl @DTRACE_HDR@
 	cd dltest ; $(MAKE) clean
 
@@ -850,8 +850,8 @@ install-libraries: libraries
 	    done;
 	@echo "Installing package msgcat 1.6.0 as a Tcl Module";
 	@$(INSTALL_DATA) $(TOP_DIR)/library/msgcat/msgcat.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/msgcat-1.6.0.tm;
-	@echo "Installing package tcltest 2.3.8 as a Tcl Module";
-	@$(INSTALL_DATA) $(TOP_DIR)/library/tcltest/tcltest.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/tcltest-2.3.8.tm;
+	@echo "Installing package tcltest 2.4.0 as a Tcl Module";
+	@$(INSTALL_DATA) $(TOP_DIR)/library/tcltest/tcltest.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/tcltest-2.4.0.tm;
 
 	@echo "Installing package platform 1.0.14 as a Tcl Module";
 	@$(INSTALL_DATA) $(TOP_DIR)/library/platform/platform.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.4/platform-1.0.14.tm;
@@ -1600,7 +1600,7 @@ tclWinError.o: $(TOP_DIR)/win/tclWinError.c
 
 # DTrace support
 
-$(TCL_OBJS) $(STUB_LIB_OBJS) $(TCLSH_OBJS) $(TCLTEST_OBJS) $(XTTEST_OBJS): @DTRACE_HDR@
+$(TCL_OBJS) $(STUB_LIB_OBJS) $(TCLSH_OBJS) $(TCLTEST_OBJS) $(XTTEST_OBJS) $(TOMMATH_OBJS): @DTRACE_HDR@
 
 $(DTRACE_HDR): $(DTRACE_SRC)
 	$(DTRACE) -h $(DTRACE_SWITCHES) -o $@ -s $(DTRACE_SRC)
diff --git a/unix/configure b/unix/configure
index 3f9aa13..e999455 100755
--- a/unix/configure
+++ b/unix/configure
@@ -4985,7 +4985,7 @@ fi
     if test "$GCC" = yes; then :
 
 	CFLAGS_OPTIMIZE=-O2
-	CFLAGS_WARNING="-Wall"
+	CFLAGS_WARNING="-Wall -Wsign-compare -Wdeclaration-after-statement"
 
 else
 
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 57d8ff0..f5aa84e 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1096,7 +1096,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
     CFLAGS_DEBUG=-g
     AS_IF([test "$GCC" = yes], [
 	CFLAGS_OPTIMIZE=-O2
-	CFLAGS_WARNING="-Wall"
+	CFLAGS_WARNING="-Wall -Wsign-compare -Wdeclaration-after-statement"
     ], [
 	CFLAGS_OPTIMIZE=-O
 	CFLAGS_WARNING=""
diff --git a/unix/tclUnixNotfy.c b/unix/tclUnixNotfy.c
index 48ba0cc..3422089 100644
--- a/unix/tclUnixNotfy.c
+++ b/unix/tclUnixNotfy.c
@@ -1,7 +1,5 @@
-#define AT_FORK_INIT_VALUE 0
-#define RESET_ATFORK_MUTEX 1
 /*
- * tclUnixNotify.c --
+ * tclUnixNotfy.c --
  *
  *	This file contains the implementation of the select()-based
  *	Unix-specific notifier, which is the lowest-level part of the Tcl
@@ -197,9 +195,7 @@ static Tcl_ThreadId notifierThread;
 #ifdef TCL_THREADS
 static void	NotifierThreadProc(ClientData clientData);
 #if defined(HAVE_PTHREAD_ATFORK)
-static int	atForkInit = AT_FORK_INIT_VALUE;
-static void	AtForkPrepare(void);
-static void	AtForkParent(void);
+static int	atForkInit = 0;
 static void	AtForkChild(void);
 #endif /* HAVE_PTHREAD_ATFORK */
 #endif /* TCL_THREADS */
@@ -256,7 +252,7 @@ extern unsigned char __stdcall	TranslateMessage(const MSG *);
  * Threaded-cygwin specific constants and functions in this file:
  */
 
-static const WCHAR NotfyClassName[] = L"TclNotifier";
+static const WCHAR className[] = L"TclNotifier";
 static DWORD __stdcall	NotifierProc(void *hwnd, unsigned int message,
 			    void *wParam, void *lParam);
 #endif /* TCL_THREADS && __CYGWIN__ */
@@ -345,7 +341,7 @@ Tcl_InitNotifier(void)
 	    class.hInstance = TclWinGetTclInstance();
 	    class.hbrBackground = NULL;
 	    class.lpszMenuName = NULL;
-	    class.lpszClassName = NotfyClassName;
+	    class.lpszClassName = className;
 	    class.lpfnWndProc = NotifierProc;
 	    class.hIcon = NULL;
 	    class.hCursor = NULL;
@@ -370,7 +366,7 @@ Tcl_InitNotifier(void)
 	 */
 
 	if (!atForkInit) {
-	    int result = pthread_atfork(AtForkPrepare, AtForkParent, AtForkChild);
+	    int result = pthread_atfork(NULL, NULL, AtForkChild);
 
 	    if (result) {
 		Tcl_Panic("Tcl_InitNotifier: pthread_atfork failed");
@@ -433,9 +429,11 @@ Tcl_FinalizeNotifier(
 			    "unable to write q to triggerPipe");
 		}
 		close(triggerPipe);
+		pthread_mutex_lock(&notifierMutex);
 		while(triggerPipe != -1) {
 		    pthread_cond_wait(&notifierCV, &notifierMutex);
 		}
+		pthread_mutex_unlock(&notifierMutex);
 		if (notifierThreadRunning) {
 		    int result = pthread_join((pthread_t) notifierThread, NULL);
 
@@ -1349,54 +1347,6 @@ NotifierThreadProc(
 /*
  *----------------------------------------------------------------------
  *
- * AtForkPrepare --
- *
- *	Lock the notifier in preparation for a fork.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-AtForkPrepare(void)
-{
-#if RESET_ATFORK_MUTEX == 0
-    pthread_mutex_lock(&notifierInitMutex);
-#endif
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * AtForkParent --
- *
- *	Unlock the notifier in the parent after a fork.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-AtForkParent(void)
-{
-#if RESET_ATFORK_MUTEX == 0
-    pthread_mutex_unlock(&notifierInitMutex);
-#endif
-}
-
-/*
- *----------------------------------------------------------------------
- *
  * AtForkChild --
  *
  *	Unlock and reinstall the notifier in the child after a fork.
@@ -1416,12 +1366,8 @@ AtForkChild(void)
     if (notifierThreadRunning == 1) {
 	pthread_cond_destroy(&notifierCV);
     }
-#if RESET_ATFORK_MUTEX == 0
-    pthread_mutex_unlock(&notifierInitMutex);
-#else
     pthread_mutex_init(&notifierInitMutex, NULL);
     pthread_mutex_init(&notifierMutex, NULL);
-#endif
     pthread_cond_init(&notifierCV, NULL);
 
     /*
@@ -1453,8 +1399,8 @@ AtForkChild(void)
 	     */
 #ifdef __CYGWIN__
 	    DestroyWindow(tsdPtr->hwnd);
-	    tsdPtr->hwnd = CreateWindowExW(NULL, NotfyClassName,
-		    NotfyClassName, 0, 0, 0, 0, 0, NULL, NULL,
+	    tsdPtr->hwnd = CreateWindowExW(NULL, className,
+		    className, 0, 0, 0, 0, 0, NULL, NULL,
 		    TclWinGetTclInstance(), NULL);
 	    ResetEvent(tsdPtr->event);
 #else
diff --git a/unix/tclUnixThrd.c b/unix/tclUnixThrd.c
index ea03332..cf81850 100644
--- a/unix/tclUnixThrd.c
+++ b/unix/tclUnixThrd.c
@@ -44,13 +44,6 @@ static pthread_mutex_t initLock = PTHREAD_MUTEX_INITIALIZER;
 static pthread_mutex_t allocLock = PTHREAD_MUTEX_INITIALIZER;
 static pthread_mutex_t *allocLockPtr = &allocLock;
 
-/*
- * These are for the critical sections inside this file.
- */
-
-#define MASTER_LOCK	pthread_mutex_lock(&masterLock)
-#define MASTER_UNLOCK	pthread_mutex_unlock(&masterLock)
-
 #endif /* TCL_THREADS */
 
 /*
@@ -252,7 +245,7 @@ TclpInitLock(void)
 /*
  *----------------------------------------------------------------------
  *
- * TclpFinalizeLock
+ * TclFinalizeLock
  *
  *	This procedure is used to destroy all private resources used in this
  *	file.
@@ -421,7 +414,7 @@ Tcl_MutexLock(
     pthread_mutex_t *pmutexPtr;
 
     if (*mutexPtr == NULL) {
-	MASTER_LOCK;
+	pthread_mutex_lock(&masterLock);
 	if (*mutexPtr == NULL) {
 	    /*
 	     * Double inside master lock check to avoid a race condition.
@@ -432,7 +425,7 @@ Tcl_MutexLock(
 	    *mutexPtr = (Tcl_Mutex)pmutexPtr;
 	    TclRememberMutex(mutexPtr);
 	}
-	MASTER_UNLOCK;
+	pthread_mutex_unlock(&masterLock);
     }
     pmutexPtr = *((pthread_mutex_t **)mutexPtr);
     pthread_mutex_lock(pmutexPtr);
@@ -529,7 +522,7 @@ Tcl_ConditionWait(
     struct timespec ptime;
 
     if (*condPtr == NULL) {
-	MASTER_LOCK;
+	pthread_mutex_lock(&masterLock);
 
 	/*
 	 * Double check inside mutex to avoid race, then initialize condition
@@ -542,7 +535,7 @@ Tcl_ConditionWait(
 	    *condPtr = (Tcl_Condition) pcondPtr;
 	    TclRememberCondition(condPtr);
 	}
-	MASTER_UNLOCK;
+	pthread_mutex_unlock(&masterLock);
     }
     pmutexPtr = *((pthread_mutex_t **)mutexPtr);
     pcondPtr = *((pthread_cond_t **)condPtr);
@@ -680,7 +673,6 @@ TclpInetNtoa(
  */
 
 #ifdef USE_THREAD_ALLOC
-static volatile int initialized = 0;
 static pthread_key_t key;
 
 typedef struct allocMutex {
@@ -717,6 +709,14 @@ TclpFreeAllocMutex(
 }
 
 void
+TclpInitAllocCache(void)
+{
+    pthread_mutex_lock(allocLockPtr);
+    pthread_key_create(&key, TclpFreeAllocCache);
+    pthread_mutex_unlock(allocLockPtr);
+}
+
+void
 TclpFreeAllocCache(
     void *ptr)
 {
@@ -728,28 +728,14 @@ TclpFreeAllocCache(
 	TclFreeAllocCache(ptr);
 	pthread_setspecific(key, NULL);
 
-    } else if (initialized) {
-	/*
-	 * Called by us in TclFinalizeThreadAlloc() during the library
-	 * finalization initiated from Tcl_Finalize()
-	 */
-
+    } else {
 	pthread_key_delete(key);
-	initialized = 0;
     }
 }
 
 void *
 TclpGetAllocCache(void)
 {
-    if (!initialized) {
-	pthread_mutex_lock(allocLockPtr);
-	if (!initialized) {
-	    pthread_key_create(&key, TclpFreeAllocCache);
-	    initialized = 1;
-	}
-	pthread_mutex_unlock(allocLockPtr);
-    }
     return pthread_getspecific(key);
 }
 
diff --git a/win/Makefile.in b/win/Makefile.in
index 2d27a41..28ffe0a 100644
--- a/win/Makefile.in
+++ b/win/Makefile.in
@@ -660,8 +660,8 @@ install-libraries: libraries install-tzdata install-msgs
 	    done;
 	@echo "Installing package msgcat 1.6.0 as a Tcl Module";
 	@$(COPY) $(ROOT_DIR)/library/msgcat/msgcat.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/msgcat-1.6.0.tm;
-	@echo "Installing package tcltest 2.3.8 as a Tcl Module";
-	@$(COPY) $(ROOT_DIR)/library/tcltest/tcltest.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/tcltest-2.3.8.tm;
+	@echo "Installing package tcltest 2.4.0 as a Tcl Module";
+	@$(COPY) $(ROOT_DIR)/library/tcltest/tcltest.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/tcltest-2.4.0.tm;
 	@echo "Installing package platform 1.0.14 as a Tcl Module";
 	@$(COPY) $(ROOT_DIR)/library/platform/platform.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.4/platform-1.0.14.tm;
 	@echo "Installing package platform::shell 1.1.4 as a Tcl Module";
@@ -713,14 +713,14 @@ test-tcl: binaries $(TCLSH) $(CAT32) $(TEST_DLL_FILE)
 	./$(TCLSH) "$(ROOT_DIR_NATIVE)/tests/all.tcl" $(TESTFLAGS) \
 	-load "package ifneeded Tcltest ${VERSION}@TCL_PATCH_LEVEL@ [list load [file normalize ${TEST_DLL_FILE}] Tcltest]; \
 	package ifneeded dde 1.4.0 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
-	package ifneeded registry 1.3.1 [list load [file normalize ${REG_DLL_FILE}] registry]" | ./$(CAT32)
+	package ifneeded registry 1.3.2 [list load [file normalize ${REG_DLL_FILE}] registry]" | ./$(CAT32)
 
 # Useful target to launch a built tclsh with the proper path,...
 runtest: binaries $(TCLSH) $(TEST_DLL_FILE)
 	@TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
 	./$(TCLSH) $(TESTFLAGS) -load "package ifneeded Tcltest ${VERSION}@TCL_PATCH_LEVEL@ [list load [file normalize ${TEST_DLL_FILE}] Tcltest]; \
 	package ifneeded dde 1.4.0 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
-	package ifneeded registry 1.3.1 [list load [file normalize ${REG_DLL_FILE}] registry]" $(SCRIPT)
+	package ifneeded registry 1.3.2 [list load [file normalize ${REG_DLL_FILE}] registry]" $(SCRIPT)
 
 # This target can be used to run tclsh from the build directory via
 # `make shell SCRIPT=foo.tcl`
diff --git a/win/coffbase.txt b/win/coffbase.txt
index 0ebe18a..3314f26 100644
--- a/win/coffbase.txt
+++ b/win/coffbase.txt
@@ -34,6 +34,7 @@ tclsdl		0x10B20000	0x00080000
 vqtcl		0x10C00000	0x00010000

 tdbc		0x10C40000	0x00010000

 thread		0x10C80000	0x00020000

+nsf		0x10ca0000	0x00080000

 ;

 ; insert new packages here

 ;

diff --git a/win/configure b/win/configure
index a1f57d1..73d6d9f 100755
--- a/win/configure
+++ b/win/configure
@@ -4165,7 +4165,7 @@ $as_echo "using shared flags" >&6; }
 
 	CFLAGS_DEBUG=-g
 	CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
-	CFLAGS_WARNING="-Wall -Wdeclaration-after-statement"
+	CFLAGS_WARNING="-Wall -Wsign-compare -Wdeclaration-after-statement"
 	LDFLAGS_DEBUG=
 	LDFLAGS_OPTIMIZE=
 
diff --git a/win/makefile.vc b/win/makefile.vc
index ecfcecf..eb9a594 100644
--- a/win/makefile.vc
+++ b/win/makefile.vc
@@ -589,13 +589,13 @@ test-core: setup $(TCLTEST) dlls $(CAT32)
 !if "$(OS)" == "Windows_NT"  || "$(MSVCDIR)" == "IDE"

 	$(DEBUGGER) $(TCLTEST) "$(ROOT:\=/)/tests/all.tcl" $(TESTFLAGS) -loadfile <<

 		package ifneeded dde 1.4.0 [list load "$(TCLDDELIB:\=/)" dde]

-		package ifneeded registry 1.3.1 [list load "$(TCLREGLIB:\=/)" registry]

+		package ifneeded registry 1.3.2 [list load "$(TCLREGLIB:\=/)" registry]

 <<

 !else

 	@echo Please wait while the tests are collected...

 	$(TCLTEST) "$(ROOT:\=/)/tests/all.tcl" $(TESTFLAGS) -loadfile << > tests.log

 		package ifneeded dde 1.4.0 "$(TCLDDELIB:\=/)" dde]

-		package ifneeded registry 1.3.1 "$(TCLREGLIB:\=/)" registry]

+		package ifneeded registry 1.3.2 "$(TCLREGLIB:\=/)" registry]

 <<

 	type tests.log | more

 !endif

diff --git a/win/tcl.m4 b/win/tcl.m4
index a75a936..7eff8e8 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -727,7 +727,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 
 	CFLAGS_DEBUG=-g
 	CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
-	CFLAGS_WARNING="-Wall -Wdeclaration-after-statement"
+	CFLAGS_WARNING="-Wall -Wsign-compare -Wdeclaration-after-statement"
 	LDFLAGS_DEBUG=
 	LDFLAGS_OPTIMIZE=
 
diff --git a/win/tclWinNotify.c b/win/tclWinNotify.c
index 4543b02..1ad022d 100644
--- a/win/tclWinNotify.c
+++ b/win/tclWinNotify.c
@@ -50,8 +50,9 @@ static Tcl_ThreadDataKey dataKey;
  */
 
 static int notifierCount = 0;
-static const TCHAR classname[] = TEXT("TclNotifier");
-TCL_DECLARE_MUTEX(notifierMutex)
+static const TCHAR className[] = TEXT("TclNotifier");
+static int initialized = 0;
+static CRITICAL_SECTION notifierMutex;
 
 /*
  * Static routines defined in this file.
@@ -85,12 +86,19 @@ Tcl_InitNotifier(void)
 	ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
 	WNDCLASS class;
 
+	TclpMasterLock();
+	if (!initialized) {
+	    initialized = 1;
+	    InitializeCriticalSection(&notifierMutex);
+	}
+	TclpMasterUnlock();
+
 	/*
 	 * Register Notifier window class if this is the first thread to use
 	 * this module.
 	 */
 
-	Tcl_MutexLock(&notifierMutex);
+	EnterCriticalSection(&notifierMutex);
 	if (notifierCount == 0) {
 	    class.style = 0;
 	    class.cbClsExtra = 0;
@@ -98,7 +106,7 @@ Tcl_InitNotifier(void)
 	    class.hInstance = TclWinGetTclInstance();
 	    class.hbrBackground = NULL;
 	    class.lpszMenuName = NULL;
-	    class.lpszClassName = classname;
+	    class.lpszClassName = className;
 	    class.lpfnWndProc = NotifierProc;
 	    class.hIcon = NULL;
 	    class.hCursor = NULL;
@@ -108,7 +116,7 @@ Tcl_InitNotifier(void)
 	    }
 	}
 	notifierCount++;
-	Tcl_MutexUnlock(&notifierMutex);
+	LeaveCriticalSection(&notifierMutex);
 
 	tsdPtr->pending = 0;
 	tsdPtr->timerActive = 0;
@@ -183,12 +191,14 @@ Tcl_FinalizeNotifier(
 	 * notifier window class.
 	 */
 
-	Tcl_MutexLock(&notifierMutex);
-	notifierCount--;
-	if (notifierCount == 0) {
-	    UnregisterClass(classname, TclWinGetTclInstance());
+	EnterCriticalSection(&notifierMutex);
+	if (notifierCount) {
+	    notifierCount--;
+	    if (notifierCount == 0) {
+		UnregisterClass(className, TclWinGetTclInstance());
+	    }
 	}
-	Tcl_MutexUnlock(&notifierMutex);
+	LeaveCriticalSection(&notifierMutex);
     }
 }
 
@@ -350,7 +360,7 @@ Tcl_ServiceModeHook(
 	 */
 
 	if (mode == TCL_SERVICE_ALL && !tsdPtr->hwnd) {
-	    tsdPtr->hwnd = CreateWindow(classname, classname,
+	    tsdPtr->hwnd = CreateWindow(className, className,
 		    WS_TILED, 0, 0, 0, 0, NULL, NULL, TclWinGetTclInstance(),
 		    NULL);
 
diff --git a/win/tclWinReg.c b/win/tclWinReg.c
index 56aa991..5f7fd31 100644
--- a/win/tclWinReg.c
+++ b/win/tclWinReg.c
@@ -163,7 +163,7 @@ Registry_Init(
     cmd = Tcl_CreateObjCommand(interp, "registry", RegistryObjCmd,
 	    interp, DeleteCmd);
     Tcl_SetAssocData(interp, REGISTRY_ASSOC_KEY, NULL, cmd);
-    return Tcl_PkgProvide(interp, "registry", "1.3.1");
+    return Tcl_PkgProvide(interp, "registry", "1.3.2");
 }
 
 /*
@@ -803,17 +803,17 @@ GetValue(
 	 * we get bogus data.
 	 */
 
-	while ((p < end) && *((Tcl_UniChar *) p) != 0) {
-	    Tcl_UniChar *up;
+	while ((p < end) && *((WCHAR *) p) != 0) {
+	    WCHAR *wp;
 
 	    Tcl_WinTCharToUtf((TCHAR *) p, -1, &buf);
 	    Tcl_ListObjAppendElement(interp, resultPtr,
 		    Tcl_NewStringObj(Tcl_DStringValue(&buf),
 			    Tcl_DStringLength(&buf)));
-	    up = (Tcl_UniChar *) p;
+	    wp = (WCHAR *) p;
 
-	    while (*up++ != 0) {/* empty body */}
-	    p = (char *) up;
+	    while (*wp++ != 0) {/* empty body */}
+	    p = (char *) wp;
 	    Tcl_DStringFree(&buf);
 	}
 	Tcl_SetObjResult(interp, resultPtr);
@@ -1332,7 +1332,7 @@ SetValue(
 	data = (char *) Tcl_WinUtfToTChar(data, length, &buf);
 
 	/*
-	 * Include the null in the length, padding if needed for Unicode.
+	 * Include the null in the length, padding if needed for WCHAR.
 	 */
 
 	Tcl_DStringSetLength(&buf, Tcl_DStringLength(&buf)+1);
@@ -1393,9 +1393,10 @@ BroadcastValue(
     DWORD_PTR sendResult;
     int timeout = 3000;
     size_t len;
-    int unilen;
     const char *str;
     Tcl_Obj *objPtr;
+    WCHAR *wstr;
+    Tcl_DString ds;
 
     if (objc == 3) {
 	str = Tcl_GetString(objv[1]);
@@ -1408,9 +1409,11 @@ BroadcastValue(
 	}
     }
 
-    str = (char*)Tcl_GetUnicodeFromObj(objv[0], &unilen);
-    if (unilen == 0) {
-	str = NULL;
+    str = Tcl_GetString(objv[0]);
+    len = objv[0]->length;
+    wstr = (WCHAR *) Tcl_WinUtfToTChar(str, len, &ds);
+    if (Tcl_DStringLength(&ds) == 0) {
+	wstr = NULL;
     }
 
     /*
@@ -1418,11 +1421,12 @@ BroadcastValue(
      */
 
     result = SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE,
-	    (WPARAM) 0, (LPARAM) str, SMTO_ABORTIFHUNG, (UINT) timeout, &sendResult);
+	    (WPARAM) 0, (LPARAM) wstr, SMTO_ABORTIFHUNG, (UINT) timeout, &sendResult);
+    Tcl_DStringFree(&ds);
 
     objPtr = Tcl_NewObj();
-    Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewLongObj((long) result));
-    Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewLongObj((long) sendResult));
+    Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewWideIntObj((Tcl_WideInt) result));
+    Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewWideIntObj((Tcl_WideInt) sendResult));
     Tcl_SetObjResult(interp, objPtr);
 
     return TCL_OK;
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index a022ed5..cc77afe 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -62,15 +62,6 @@
 #undef TCL_FEATURE_KEEPALIVE_NAGLE
 
 /*
- * Make sure to remove the redirection defines set in tclWinPort.h that is in
- * use in other sections of the core, except for us.
- */
-
-#undef getservbyname
-#undef getsockopt
-#undef setsockopt
-
-/*
  * Helper macros to make parts of this file clearer. The macros do exactly
  * what they say on the tin. :-) They also only ever refer to their arguments
  * once, and so can be used without regard to side effects.
@@ -90,7 +81,7 @@
  */
 
 static int initialized = 0;
-static const TCHAR classname[] = TEXT("TclSocket");
+static const TCHAR className[] = TEXT("TclSocket");
 TCL_DECLARE_MUTEX(socketMutex)
 
 /*
@@ -2061,7 +2052,6 @@ Tcl_OpenTcpServer(
     char channelName[SOCK_CHAN_LENGTH];
     u_long flag = 1;		/* Indicates nonblocking mode. */
     const char *errorMsg = NULL;
-    ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
 
     if (TclpHasSockets(interp) != TCL_OK) {
 	return NULL;
@@ -2177,6 +2167,7 @@ error:
     }
 
     if (statePtr != NULL) {
+	ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
 
 	statePtr->acceptProc = acceptProc;
 	statePtr->acceptProcData = acceptProcData;
@@ -2336,7 +2327,7 @@ InitSockets(void)
 	windowClass.hInstance = TclWinGetTclInstance();
 	windowClass.hbrBackground = NULL;
 	windowClass.lpszMenuName = NULL;
-	windowClass.lpszClassName = classname;
+	windowClass.lpszClassName = className;
 	windowClass.lpfnWndProc = SocketProc;
 	windowClass.hIcon = NULL;
 	windowClass.hCursor = NULL;
@@ -2466,7 +2457,7 @@ SocketExitHandler(
      */
 
     TclpFinalizeSockets();
-    UnregisterClass(classname, TclWinGetTclInstance());
+    UnregisterClass(className, TclWinGetTclInstance());
     initialized = 0;
     Tcl_MutexUnlock(&socketMutex);
 }
@@ -2992,7 +2983,7 @@ SocketThread(
      * Create a dummy window receiving socket events.
      */
 
-    tsdPtr->hwnd = CreateWindow(classname, classname, WS_TILED, 0, 0, 0, 0,
+    tsdPtr->hwnd = CreateWindow(className, className, WS_TILED, 0, 0, 0, 0,
 	    NULL, NULL, windowClass.hInstance, arg);
 
     /*
diff --git a/win/tclWinThrd.c b/win/tclWinThrd.c
index 1c9d483..987734d 100644
--- a/win/tclWinThrd.c
+++ b/win/tclWinThrd.c
@@ -29,10 +29,7 @@ _CRTIMP unsigned int __cdecl _controlfp (unsigned int unNew, unsigned int unMask
  */
 
 static CRITICAL_SECTION masterLock;
-static int init = 0;
-#define MASTER_LOCK TclpMasterLock()
-#define MASTER_UNLOCK TclpMasterUnlock()
-
+static int initialized = 0;
 
 /*
  * This is the master lock used to serialize initialization and finalization
@@ -122,7 +119,6 @@ typedef struct WinCondition {
  */
 
 #ifdef USE_THREAD_ALLOC
-static int once;
 static DWORD tlsKey;
 
 typedef struct allocMutex {
@@ -360,7 +356,7 @@ Tcl_GetCurrentThread(void)
 void
 TclpInitLock(void)
 {
-    if (!init) {
+    if (!initialized) {
 	/*
 	 * There is a fundamental race here that is solved by creating the
 	 * first Tcl interpreter in a single threaded environment. Once the
@@ -368,7 +364,7 @@ TclpInitLock(void)
 	 * that create interpreters in parallel.
 	 */
 
-	init = 1;
+	initialized = 1;
 	InitializeCriticalSection(&joinLock);
 	InitializeCriticalSection(&initLock);
 	InitializeCriticalSection(&masterLock);
@@ -422,7 +418,7 @@ TclpInitUnlock(void)
 void
 TclpMasterLock(void)
 {
-    if (!init) {
+    if (!initialized) {
 	/*
 	 * There is a fundamental race here that is solved by creating the
 	 * first Tcl interpreter in a single threaded environment. Once the
@@ -430,7 +426,7 @@ TclpMasterLock(void)
 	 * that create interpreters in parallel.
 	 */
 
-	init = 1;
+	initialized = 1;
 	InitializeCriticalSection(&joinLock);
 	InitializeCriticalSection(&initLock);
 	InitializeCriticalSection(&masterLock);
@@ -497,7 +493,7 @@ Tcl_GetAllocMutex(void)
 /*
  *----------------------------------------------------------------------
  *
- * TclpFinalizeLock
+ * TclFinalizeLock
  *
  *	This procedure is used to destroy all private resources used in this
  *	file.
@@ -515,7 +511,7 @@ Tcl_GetAllocMutex(void)
 void
 TclFinalizeLock(void)
 {
-    MASTER_LOCK;
+    TclpMasterLock();
     DeleteCriticalSection(&joinLock);
 
     /*
@@ -523,7 +519,7 @@ TclFinalizeLock(void)
      */
 
     DeleteCriticalSection(&masterLock);
-    init = 0;
+    initialized = 0;
 
 #ifdef TCL_THREADS
     if (allocOnce) {
@@ -570,7 +566,7 @@ Tcl_MutexLock(
     CRITICAL_SECTION *csPtr;
 
     if (*mutexPtr == NULL) {
-	MASTER_LOCK;
+	TclpMasterLock();
 
 	/*
 	 * Double inside master lock check to avoid a race.
@@ -582,7 +578,7 @@ Tcl_MutexLock(
 	    *mutexPtr = (Tcl_Mutex)csPtr;
 	    TclRememberMutex(mutexPtr);
 	}
-	MASTER_UNLOCK;
+	TclpMasterUnlock();
     }
     csPtr = *((CRITICAL_SECTION **)mutexPtr);
     EnterCriticalSection(csPtr);
@@ -684,7 +680,7 @@ Tcl_ConditionWait(
      */
 
     if (tsdPtr->flags == WIN_THREAD_UNINIT) {
-	MASTER_LOCK;
+	TclpMasterLock();
 
 	/*
 	 * Create the per-thread event and queue pointers.
@@ -698,7 +694,7 @@ Tcl_ConditionWait(
 	    tsdPtr->flags = WIN_THREAD_RUNNING;
 	    doExit = 1;
 	}
-	MASTER_UNLOCK;
+	TclpMasterUnlock();
 
 	if (doExit) {
 	    /*
@@ -713,7 +709,7 @@ Tcl_ConditionWait(
     }
 
     if (*condPtr == NULL) {
-	MASTER_LOCK;
+	TclpMasterLock();
 
 	/*
 	 * Initialize the per-condition queue pointers and Mutex.
@@ -727,7 +723,7 @@ Tcl_ConditionWait(
 	    *condPtr = (Tcl_Condition) winCondPtr;
 	    TclRememberCondition(condPtr);
 	}
-	MASTER_UNLOCK;
+	TclpMasterUnlock();
     }
     csPtr = *((CRITICAL_SECTION **)mutexPtr);
     winCondPtr = *((WinCondition **)condPtr);
@@ -971,24 +967,24 @@ TclpFreeAllocMutex(
     free(lockPtr);
 }
 
-void *
-TclpGetAllocCache(void)
+void
+TclpInitAllocCache(void)
 {
-    void *result;
-
-    if (!once) {
-	/*
-	 * We need to make sure that TclpFreeAllocCache is called on each
-	 * thread that calls this, but only on threads that call this.
-	 */
+    /*
+     * We need to make sure that TclpFreeAllocCache is called on each
+     * thread that calls this, but only on threads that call this.
+     */
 
-	tlsKey = TlsAlloc();
-	once = 1;
-	if (tlsKey == TLS_OUT_OF_INDEXES) {
-	    Tcl_Panic("could not allocate thread local storage");
-	}
+    tlsKey = TlsAlloc();
+    if (tlsKey == TLS_OUT_OF_INDEXES) {
+	Tcl_Panic("could not allocate thread local storage");
     }
+}
 
+void *
+TclpGetAllocCache(void)
+{
+    void *result;
     result = TlsGetValue(tlsKey);
     if ((result == NULL) && (GetLastError() != NO_ERROR)) {
 	Tcl_Panic("TlsGetValue failed from TclpGetAllocCache");
@@ -1024,7 +1020,7 @@ TclpFreeAllocCache(
 	if (!success) {
 	    Tcl_Panic("TlsSetValue failed from TclpFreeAllocCache");
 	}
-    } else if (once) {
+    } else {
 	/*
 	 * Called by us in TclFinalizeThreadAlloc() during the library
 	 * finalization initiated from Tcl_Finalize()
@@ -1034,9 +1030,7 @@ TclpFreeAllocCache(
 	if (!success) {
 	    Tcl_Panic("TlsFree failed from TclpFreeAllocCache");
 	}
-	once = 0; /* reset for next time. */
     }
-
 }
 #endif /* USE_THREAD_ALLOC */