merge 8.6

20 files changed, 688 insertions, 448 deletions

diff --git a/generic/tclOO.c b/generic/tclOO.c
index 83646a8..573df3e 100644
--- a/generic/tclOO.c
+++ b/generic/tclOO.c
@@ -56,7 +56,6 @@ static const struct {
  * Function declarations for things defined in this file.
  */
 
-static Class *		AllocClass(Tcl_Interp *interp, Object *useThisObj);
 static Object *		AllocObject(Tcl_Interp *interp, const char *nameStr,
 			    Namespace *nsPtr, const char *nsNameStr);
 static int		CloneClassMethod(Tcl_Interp *interp, Class *clsPtr,
@@ -79,8 +78,6 @@ static void		ObjectNamespaceDeleted(ClientData clientData);
 static void		ObjectRenamedTrace(ClientData clientData,
 			    Tcl_Interp *interp, const char *oldName,
 			    const char *newName, int flags);
-static void		ReleaseClassContents(Tcl_Interp *interp,Object *oPtr);
-static void		DeleteDescendants(Tcl_Interp *interp,Object *oPtr);
 static inline void	SquelchCachedName(Object *oPtr);
 
 static int		PublicObjectCmd(ClientData clientData,
@@ -392,10 +389,10 @@ InitFoundation(
 
     /* Stand up a phony class for bootstrapping. */
     fPtr->objectCls = &fakeCls;
-    /* referenced in AllocClass to increment the refCount. */
+    /* referenced in TclOOAllocClass to increment the refCount. */
     fakeCls.thisPtr = &fakeObject;
 
-    fPtr->objectCls = AllocClass(interp,
+    fPtr->objectCls = TclOOAllocClass(interp,
 	    AllocObject(interp, "object", (Namespace *)fPtr->ooNs, NULL));
     /* Corresponding TclOODecrRefCount in KillFoudation */
     AddRef(fPtr->objectCls->thisPtr);
@@ -411,7 +408,7 @@ InitFoundation(
     fPtr->objectCls->thisPtr->flags |= ROOT_OBJECT;
     fPtr->objectCls->flags |= ROOT_OBJECT;
 
-    fPtr->classCls = AllocClass(interp,
+    fPtr->classCls = TclOOAllocClass(interp,
 	    AllocObject(interp, "class", (Namespace *)fPtr->ooNs, NULL));
     /* Corresponding TclOODecrRefCount in KillFoudation */
     AddRef(fPtr->classCls->thisPtr);
@@ -829,15 +826,15 @@ ObjectRenamedTrace(
 /*
  * ----------------------------------------------------------------------
  *
- * DeleteDescendants --
+ * TclOODeleteDescendants --
  *
  *	Delete all descendants of a particular class.
  *
  * ----------------------------------------------------------------------
  */
 
-static void
-DeleteDescendants(
+void
+TclOODeleteDescendants(
     Tcl_Interp *interp,		/* The interpreter containing the class. */
     Object *oPtr)		/* The object representing the class. */
 {
@@ -854,7 +851,8 @@ DeleteDescendants(
 	    /* This condition also covers the case where mixinSubclassPtr ==
 	     * clsPtr
 	     */
-	    if (!Deleted(mixinSubclassPtr->thisPtr)) {
+	    if (!Deleted(mixinSubclassPtr->thisPtr)
+		    && !(mixinSubclassPtr->thisPtr->flags & DONT_DELETE)) {
 		Tcl_DeleteCommandFromToken(interp,
 			mixinSubclassPtr->thisPtr->command);
 	    }
@@ -872,8 +870,10 @@ DeleteDescendants(
     if (clsPtr->subclasses.num > 0) {
 	while (clsPtr->subclasses.num > 0) {
 	    subclassPtr = clsPtr->subclasses.list[clsPtr->subclasses.num-1];
-	    if (!Deleted(subclassPtr->thisPtr) && !IsRoot(subclassPtr)) {
-		Tcl_DeleteCommandFromToken(interp, subclassPtr->thisPtr->command);
+	    if (!Deleted(subclassPtr->thisPtr) && !IsRoot(subclassPtr)
+		    && !(subclassPtr->thisPtr->flags & DONT_DELETE)) {
+		Tcl_DeleteCommandFromToken(interp,
+			subclassPtr->thisPtr->command);
 	    }
 	    TclOORemoveFromSubclasses(subclassPtr, clsPtr);
 	}
@@ -892,7 +892,8 @@ DeleteDescendants(
 	while (clsPtr->instances.num > 0) {
 	    instancePtr = clsPtr->instances.list[clsPtr->instances.num-1];
 	    /* This condition also covers the case where instancePtr == oPtr */
-	    if (!Deleted(instancePtr) && !IsRoot(instancePtr)) {
+	    if (!Deleted(instancePtr) && !IsRoot(instancePtr) &&
+		    !(instancePtr->flags & DONT_DELETE)) {
 		Tcl_DeleteCommandFromToken(interp, instancePtr->command);
 	    }
 	    TclOORemoveFromInstances(instancePtr, clsPtr);
@@ -909,7 +910,7 @@ DeleteDescendants(
 /*
  * ----------------------------------------------------------------------
  *
- * ReleaseClassContents --
+ * TclOOReleaseClassContents --
  *
  *	Tear down the special class data structure, including deleting all
  *	dependent classes and objects.
@@ -917,8 +918,8 @@ DeleteDescendants(
  * ----------------------------------------------------------------------
  */
 
-static void
-ReleaseClassContents(
+void
+TclOOReleaseClassContents(
     Tcl_Interp *interp,		/* The interpreter containing the class. */
     Object *oPtr)		/* The object representing the class. */
 {
@@ -940,9 +941,6 @@ ReleaseClassContents(
 	} else if (IsRootObject(oPtr)) {
 	    Tcl_Panic("deleting class structure for non-deleted %s",
 		    "::oo::object");
-	} else {
-	    Tcl_Panic("deleting class structure for non-deleted %s",
-		    "general object");
 	}
     }
 
@@ -1037,6 +1035,7 @@ ReleaseClassContents(
     if (IsRootClass(oPtr) && !Deleted(fPtr->objectCls->thisPtr)) {
 	Tcl_DeleteCommandFromToken(interp, fPtr->objectCls->thisPtr->command);
     }
+    oPtr->classPtr = NULL;
 }
 
 /*
@@ -1082,7 +1081,7 @@ ObjectNamespaceDeleted(
 
     /* Let the dominoes fall */
     if (oPtr->classPtr) {
-	DeleteDescendants(interp, oPtr);
+	TclOODeleteDescendants(interp, oPtr);
     }
 
     /*
@@ -1194,27 +1193,25 @@ ObjectNamespaceDeleted(
     }
 
     /*
-     *  Because an object can be a class that is an instance of itself, the
-     *  A class object's class structure should only be cleaned after most of
-     *  the cleanup on the object is done. 
-     */
-
-
-    /*
+     * Because an object can be a class that is an instance of itself, the
+     * class object's class structure should only be cleaned after most of
+     * the cleanup on the object is done. 
+     *
      * The class of objects needs some special care; if it is deleted (and
      * we're not killing the whole interpreter) we force the delete of the
      * class of classes now as well. Due to the incestuous nature of those two
      * classes, if one goes the other must too and yet the tangle can
      * sometimes not go away automatically; we force it here. [Bug 2962664]
      */
+
     if (IsRootObject(oPtr) && !Deleted(fPtr->classCls->thisPtr)
-	&& !Tcl_InterpDeleted(interp)) {
+	    && !Tcl_InterpDeleted(interp)) {
 
 	Tcl_DeleteCommandFromToken(interp, fPtr->classCls->thisPtr->command);
     }
 
     if (oPtr->classPtr != NULL) {
-	ReleaseClassContents(interp, oPtr);
+	TclOOReleaseClassContents(interp, oPtr);
     }
 
     /*
@@ -1328,6 +1325,37 @@ TclOOAddToInstances(
 /*
  * ----------------------------------------------------------------------
  *
+ * TclOORemoveFromMixins --
+ *
+ *	Utility function to remove a class from the list of mixins within an
+ *	object.
+ *
+ * ----------------------------------------------------------------------
+ */
+
+int
+TclOORemoveFromMixins(
+    Class *mixinPtr,		/* The mixin to remove. */
+    Object *oPtr)		/* The object (possibly) containing the
+				 * reference to the mixin. */
+{
+    int i, res = 0;
+    Class *mixPtr;
+
+    FOREACH(mixPtr, oPtr->mixins) {
+	if (mixinPtr == mixPtr) {
+	    RemoveItem(Class, oPtr->mixins, i);
+	    TclOODecrRefCount(mixPtr->thisPtr);
+	    res++;
+	    break;
+	}
+    }
+    return res;
+}
+
+/*
+ * ----------------------------------------------------------------------
+ *
  * TclOORemoveFromSubclasses --
  *
  *	Utility function to remove a class from the list of subclasses within
@@ -1381,7 +1409,8 @@ TclOOAddToSubclasses(
 	if (superPtr->subclasses.size == ALLOC_CHUNK) {
 	    superPtr->subclasses.list = ckalloc(sizeof(Class *) * ALLOC_CHUNK);
 	} else {
-	    superPtr->subclasses.list = ckrealloc(superPtr->subclasses.list, sizeof(Class *) * superPtr->subclasses.size);
+	    superPtr->subclasses.list = ckrealloc(superPtr->subclasses.list,
+		    sizeof(Class *) * superPtr->subclasses.size);
 	}
     }
     superPtr->subclasses.list[superPtr->subclasses.num++] = subPtr;
@@ -1456,16 +1485,16 @@ TclOOAddToMixinSubs(
 /*
  * ----------------------------------------------------------------------
  *
- * AllocClass --
+ * TclOOAllocClass --
  *
- *	Allocate a basic class. Does not add class to its
- *	class's instance list.
+ *	Allocate a basic class. Does not add class to its class's instance
+ *	list.
  *
  * ----------------------------------------------------------------------
  */
 
-static Class *
-AllocClass(
+Class *
+TclOOAllocClass(
     Tcl_Interp *interp,		/* Interpreter within which to allocate the
 				 * class. */
     Object *useThisObj)		/* Object that is to act as the class
@@ -1709,13 +1738,13 @@ TclNewObjectInstanceCommon(
 
     if (TclOOIsReachable(fPtr->classCls, classPtr)) {
 	/*
-	 * Is a class, so attach a class structure. Note that the AllocClass
-	 * function splices the structure into the object, so we don't have
-	 * to. Once that's done, we need to repatch the object to have the
-	 * right class since AllocClass interferes with that.
+	 * Is a class, so attach a class structure. Note that the
+	 * TclOOAllocClass function splices the structure into the object, so
+	 * we don't have to. Once that's done, we need to repatch the object
+	 * to have the right class since TclOOAllocClass interferes with that.
 	 */
 
-	AllocClass(interp, oPtr);
+	TclOOAllocClass(interp, oPtr);
 	TclOOAddToSubclasses(oPtr->classPtr, fPtr->objectCls);
     } else {
 	oPtr->classPtr = NULL;
diff --git a/generic/tclOOCall.c b/generic/tclOOCall.c
index c71425b..a46b8bc 100644
--- a/generic/tclOOCall.c
+++ b/generic/tclOOCall.c
@@ -1444,7 +1444,6 @@ AddSimpleClassChainToCallContext(
     if (flags & CONSTRUCTOR) {
 	AddMethodToCallChain(classPtr->constructorPtr, cbPtr, doneFilters,
 		filterDecl, flags);
-
     } else if (flags & DESTRUCTOR) {
 	AddMethodToCallChain(classPtr->destructorPtr, cbPtr, doneFilters,
 		filterDecl, flags);
diff --git a/generic/tclOODefineCmds.c b/generic/tclOODefineCmds.c
index c924d2b..d5f4878 100644
--- a/generic/tclOODefineCmds.c
+++ b/generic/tclOODefineCmds.c
@@ -1083,6 +1083,8 @@ TclOODefineClassObjCmd(
 {
     Object *oPtr;
     Class *clsPtr;
+    Foundation *fPtr = TclOOGetFoundation(interp);
+    int wasClass, willBeClass;
 
     /*
      * Parse the context to get the object to operate on.
@@ -1118,12 +1120,20 @@ TclOODefineClassObjCmd(
     if (clsPtr == NULL) {
 	return TCL_ERROR;
     }
-
+    if (oPtr == clsPtr->thisPtr) {
+	Tcl_SetObjResult(interp, Tcl_NewStringObj(
+		"may not change classes into an instance of themselves", -1));
+	Tcl_SetErrorCode(interp, "TCL", "OO", "MONKEY_BUSINESS", NULL);
+	return TCL_ERROR;
+    }
 
     /*
      * Set the object's class.
      */
 
+    wasClass = (oPtr->classPtr != NULL);
+    willBeClass = (TclOOIsReachable(fPtr->classCls, clsPtr));
+
     if (oPtr->selfCls != clsPtr) {
 	TclOORemoveFromInstances(oPtr, oPtr->selfCls);
 	TclOODecrRefCount(oPtr->selfCls->thisPtr);
@@ -1131,6 +1141,26 @@ TclOODefineClassObjCmd(
 	AddRef(oPtr->selfCls->thisPtr);
 	TclOOAddToInstances(oPtr, oPtr->selfCls);
 
+	/*
+	 * Create or delete the class guts if necessary.
+	 */
+
+	if (wasClass && !willBeClass) {
+	    /*
+	     * This is the most global of all epochs. Bump it! No cache can be
+	     * trusted!
+	     */
+
+	    TclOORemoveFromMixins(oPtr->classPtr, oPtr);
+	    oPtr->fPtr->epoch++;
+	    oPtr->flags |= DONT_DELETE;
+	    TclOODeleteDescendants(interp, oPtr);
+	    oPtr->flags &= ~DONT_DELETE;
+	    TclOOReleaseClassContents(interp, oPtr);
+	} else if (!wasClass && willBeClass) {
+	    TclOOAllocClass(interp, oPtr);
+	}
+
 	if (oPtr->classPtr != NULL) {
 	    BumpGlobalEpoch(interp, oPtr->classPtr);
 	} else {
diff --git a/generic/tclOOInt.h b/generic/tclOOInt.h
index 61ead01..e59fe8a 100644
--- a/generic/tclOOInt.h
+++ b/generic/tclOOInt.h
@@ -214,6 +214,7 @@ typedef struct Object {
 				 * other spots). */
 #define FORCE_UNKNOWN 0x10000	/* States that we are *really* looking up the
 				 * unknown method handler at that point. */
+#define DONT_DELETE 0x20000	/* Inhibit deletion of this object. */
 
 /*
  * And the definition of a class. Note that every class also has an associated
@@ -484,6 +485,8 @@ MODULE_SCOPE int	TclOO_Object_VarName(ClientData clientData,
 MODULE_SCOPE void	TclOOAddToInstances(Object *oPtr, Class *clsPtr);
 MODULE_SCOPE void	TclOOAddToMixinSubs(Class *subPtr, Class *mixinPtr);
 MODULE_SCOPE void	TclOOAddToSubclasses(Class *subPtr, Class *superPtr);
+MODULE_SCOPE Class *	TclOOAllocClass(Tcl_Interp *interp,
+			    Object *useThisObj);
 MODULE_SCOPE int	TclNRNewObjectInstance(Tcl_Interp *interp,
 			    Tcl_Class cls, const char *nameStr,
 			    const char *nsNameStr, int objc,
@@ -498,6 +501,8 @@ MODULE_SCOPE int	TclOODefineSlots(Foundation *fPtr);
 MODULE_SCOPE void	TclOODeleteChain(CallChain *callPtr);
 MODULE_SCOPE void	TclOODeleteChainCache(Tcl_HashTable *tablePtr);
 MODULE_SCOPE void	TclOODeleteContext(CallContext *contextPtr);
+MODULE_SCOPE void	TclOODeleteDescendants(Tcl_Interp *interp,
+			    Object *oPtr);
 MODULE_SCOPE void	TclOODelMethodRef(Method *method);
 MODULE_SCOPE CallContext *TclOOGetCallContext(Object *oPtr,
 			    Tcl_Obj *methodNameObj, int flags,
@@ -523,7 +528,10 @@ MODULE_SCOPE int	TclNRObjectContextInvokeNext(Tcl_Interp *interp,
 MODULE_SCOPE void	TclOONewBasicMethod(Tcl_Interp *interp, Class *clsPtr,
 			    const DeclaredClassMethod *dcm);
 MODULE_SCOPE Tcl_Obj *	TclOOObjectName(Tcl_Interp *interp, Object *oPtr);
+MODULE_SCOPE void	TclOOReleaseClassContents(Tcl_Interp *interp,
+			    Object *oPtr);
 MODULE_SCOPE int	TclOORemoveFromInstances(Object *oPtr, Class *clsPtr);
+MODULE_SCOPE int	TclOORemoveFromMixins(Class *mixinPtr, Object *oPtr);
 MODULE_SCOPE int	TclOORemoveFromMixinSubs(Class *subPtr,
 			    Class *mixinPtr);
 MODULE_SCOPE int	TclOORemoveFromSubclasses(Class *subPtr,
diff --git a/library/tzdata/Africa/Ceuta b/library/tzdata/Africa/Ceuta
index 057ca22..18af8c1 100644
--- a/library/tzdata/Africa/Ceuta
+++ b/library/tzdata/Africa/Ceuta
@@ -15,6 +15,7 @@ set TZData(:Africa/Ceuta) {
     {-1316390400 3600 1 WEST}
     {-1301270400 0 0 WET}
     {-1293840000 0 0 WET}
+    {-94694400 0 0 WET}
     {-81432000 3600 1 WEST}
     {-71110800 0 0 WET}
     {141264000 3600 1 WEST}
diff --git a/library/tzdata/America/Santiago b/library/tzdata/America/Santiago
index 67d5b5c..55212b9 100644
--- a/library/tzdata/America/Santiago
+++ b/library/tzdata/America/Santiago
@@ -124,166 +124,166 @@ set TZData(:America/Santiago) {
     {1502596800 -10800 1 -04}
     {1526180400 -14400 0 -04}
     {1534046400 -10800 1 -04}
-    {1557630000 -14400 0 -04}
-    {1565496000 -10800 1 -04}
-    {1589079600 -14400 0 -04}
-    {1596945600 -10800 1 -04}
-    {1620529200 -14400 0 -04}
-    {1629000000 -10800 1 -04}
-    {1652583600 -14400 0 -04}
-    {1660449600 -10800 1 -04}
-    {1684033200 -14400 0 -04}
-    {1691899200 -10800 1 -04}
-    {1715482800 -14400 0 -04}
-    {1723348800 -10800 1 -04}
-    {1746932400 -14400 0 -04}
-    {1754798400 -10800 1 -04}
-    {1778382000 -14400 0 -04}
-    {1786248000 -10800 1 -04}
-    {1809831600 -14400 0 -04}
-    {1818302400 -10800 1 -04}
-    {1841886000 -14400 0 -04}
-    {1849752000 -10800 1 -04}
-    {1873335600 -14400 0 -04}
-    {1881201600 -10800 1 -04}
-    {1904785200 -14400 0 -04}
-    {1912651200 -10800 1 -04}
-    {1936234800 -14400 0 -04}
-    {1944100800 -10800 1 -04}
-    {1967684400 -14400 0 -04}
-    {1976155200 -10800 1 -04}
-    {1999738800 -14400 0 -04}
-    {2007604800 -10800 1 -04}
-    {2031188400 -14400 0 -04}
-    {2039054400 -10800 1 -04}
-    {2062638000 -14400 0 -04}
-    {2070504000 -10800 1 -04}
-    {2094087600 -14400 0 -04}
-    {2101953600 -10800 1 -04}
-    {2125537200 -14400 0 -04}
-    {2133403200 -10800 1 -04}
-    {2156986800 -14400 0 -04}
-    {2165457600 -10800 1 -04}
-    {2189041200 -14400 0 -04}
-    {2196907200 -10800 1 -04}
-    {2220490800 -14400 0 -04}
-    {2228356800 -10800 1 -04}
-    {2251940400 -14400 0 -04}
-    {2259806400 -10800 1 -04}
-    {2283390000 -14400 0 -04}
-    {2291256000 -10800 1 -04}
-    {2314839600 -14400 0 -04}
-    {2322705600 -10800 1 -04}
-    {2346894000 -14400 0 -04}
-    {2354760000 -10800 1 -04}
-    {2378343600 -14400 0 -04}
-    {2386209600 -10800 1 -04}
-    {2409793200 -14400 0 -04}
-    {2417659200 -10800 1 -04}
-    {2441242800 -14400 0 -04}
-    {2449108800 -10800 1 -04}
-    {2472692400 -14400 0 -04}
-    {2480558400 -10800 1 -04}
-    {2504142000 -14400 0 -04}
-    {2512612800 -10800 1 -04}
-    {2536196400 -14400 0 -04}
-    {2544062400 -10800 1 -04}
-    {2567646000 -14400 0 -04}
-    {2575512000 -10800 1 -04}
-    {2599095600 -14400 0 -04}
-    {2606961600 -10800 1 -04}
-    {2630545200 -14400 0 -04}
-    {2638411200 -10800 1 -04}
-    {2661994800 -14400 0 -04}
-    {2669860800 -10800 1 -04}
-    {2693444400 -14400 0 -04}
-    {2701915200 -10800 1 -04}
-    {2725498800 -14400 0 -04}
-    {2733364800 -10800 1 -04}
-    {2756948400 -14400 0 -04}
-    {2764814400 -10800 1 -04}
-    {2788398000 -14400 0 -04}
-    {2796264000 -10800 1 -04}
-    {2819847600 -14400 0 -04}
-    {2827713600 -10800 1 -04}
-    {2851297200 -14400 0 -04}
-    {2859768000 -10800 1 -04}
-    {2883351600 -14400 0 -04}
-    {2891217600 -10800 1 -04}
-    {2914801200 -14400 0 -04}
-    {2922667200 -10800 1 -04}
-    {2946250800 -14400 0 -04}
-    {2954116800 -10800 1 -04}
-    {2977700400 -14400 0 -04}
-    {2985566400 -10800 1 -04}
-    {3009150000 -14400 0 -04}
-    {3017016000 -10800 1 -04}
-    {3040599600 -14400 0 -04}
-    {3049070400 -10800 1 -04}
-    {3072654000 -14400 0 -04}
-    {3080520000 -10800 1 -04}
-    {3104103600 -14400 0 -04}
-    {3111969600 -10800 1 -04}
-    {3135553200 -14400 0 -04}
-    {3143419200 -10800 1 -04}
-    {3167002800 -14400 0 -04}
-    {3174868800 -10800 1 -04}
-    {3198452400 -14400 0 -04}
-    {3206318400 -10800 1 -04}
-    {3230506800 -14400 0 -04}
-    {3238372800 -10800 1 -04}
-    {3261956400 -14400 0 -04}
-    {3269822400 -10800 1 -04}
-    {3293406000 -14400 0 -04}
-    {3301272000 -10800 1 -04}
-    {3324855600 -14400 0 -04}
-    {3332721600 -10800 1 -04}
-    {3356305200 -14400 0 -04}
-    {3364171200 -10800 1 -04}
-    {3387754800 -14400 0 -04}
-    {3396225600 -10800 1 -04}
-    {3419809200 -14400 0 -04}
-    {3427675200 -10800 1 -04}
-    {3451258800 -14400 0 -04}
-    {3459124800 -10800 1 -04}
-    {3482708400 -14400 0 -04}
-    {3490574400 -10800 1 -04}
-    {3514158000 -14400 0 -04}
-    {3522024000 -10800 1 -04}
-    {3545607600 -14400 0 -04}
-    {3553473600 -10800 1 -04}
-    {3577057200 -14400 0 -04}
-    {3585528000 -10800 1 -04}
-    {3609111600 -14400 0 -04}
-    {3616977600 -10800 1 -04}
-    {3640561200 -14400 0 -04}
-    {3648427200 -10800 1 -04}
-    {3672010800 -14400 0 -04}
-    {3679876800 -10800 1 -04}
-    {3703460400 -14400 0 -04}
-    {3711326400 -10800 1 -04}
-    {3734910000 -14400 0 -04}
-    {3743380800 -10800 1 -04}
-    {3766964400 -14400 0 -04}
-    {3774830400 -10800 1 -04}
-    {3798414000 -14400 0 -04}
-    {3806280000 -10800 1 -04}
-    {3829863600 -14400 0 -04}
-    {3837729600 -10800 1 -04}
-    {3861313200 -14400 0 -04}
-    {3869179200 -10800 1 -04}
-    {3892762800 -14400 0 -04}
-    {3900628800 -10800 1 -04}
-    {3924212400 -14400 0 -04}
-    {3932683200 -10800 1 -04}
-    {3956266800 -14400 0 -04}
-    {3964132800 -10800 1 -04}
-    {3987716400 -14400 0 -04}
-    {3995582400 -10800 1 -04}
-    {4019166000 -14400 0 -04}
-    {4027032000 -10800 1 -04}
-    {4050615600 -14400 0 -04}
-    {4058481600 -10800 1 -04}
-    {4082065200 -14400 0 -04}
-    {4089931200 -10800 1 -04}
+    {1554606000 -14400 0 -04}
+    {1567915200 -10800 1 -04}
+    {1586055600 -14400 0 -04}
+    {1599364800 -10800 1 -04}
+    {1617505200 -14400 0 -04}
+    {1630814400 -10800 1 -04}
+    {1648954800 -14400 0 -04}
+    {1662264000 -10800 1 -04}
+    {1680404400 -14400 0 -04}
+    {1693713600 -10800 1 -04}
+    {1712458800 -14400 0 -04}
+    {1725768000 -10800 1 -04}
+    {1743908400 -14400 0 -04}
+    {1757217600 -10800 1 -04}
+    {1775358000 -14400 0 -04}
+    {1788667200 -10800 1 -04}
+    {1806807600 -14400 0 -04}
+    {1820116800 -10800 1 -04}
+    {1838257200 -14400 0 -04}
+    {1851566400 -10800 1 -04}
+    {1870311600 -14400 0 -04}
+    {1883016000 -10800 1 -04}
+    {1901761200 -14400 0 -04}
+    {1915070400 -10800 1 -04}
+    {1933210800 -14400 0 -04}
+    {1946520000 -10800 1 -04}
+    {1964660400 -14400 0 -04}
+    {1977969600 -10800 1 -04}
+    {1996110000 -14400 0 -04}
+    {2009419200 -10800 1 -04}
+    {2027559600 -14400 0 -04}
+    {2040868800 -10800 1 -04}
+    {2059614000 -14400 0 -04}
+    {2072318400 -10800 1 -04}
+    {2091063600 -14400 0 -04}
+    {2104372800 -10800 1 -04}
+    {2122513200 -14400 0 -04}
+    {2135822400 -10800 1 -04}
+    {2153962800 -14400 0 -04}
+    {2167272000 -10800 1 -04}
+    {2185412400 -14400 0 -04}
+    {2198721600 -10800 1 -04}
+    {2217466800 -14400 0 -04}
+    {2230171200 -10800 1 -04}
+    {2248916400 -14400 0 -04}
+    {2262225600 -10800 1 -04}
+    {2280366000 -14400 0 -04}
+    {2293675200 -10800 1 -04}
+    {2311815600 -14400 0 -04}
+    {2325124800 -10800 1 -04}
+    {2343265200 -14400 0 -04}
+    {2356574400 -10800 1 -04}
+    {2374714800 -14400 0 -04}
+    {2388024000 -10800 1 -04}
+    {2406769200 -14400 0 -04}
+    {2419473600 -10800 1 -04}
+    {2438218800 -14400 0 -04}
+    {2451528000 -10800 1 -04}
+    {2469668400 -14400 0 -04}
+    {2482977600 -10800 1 -04}
+    {2501118000 -14400 0 -04}
+    {2514427200 -10800 1 -04}
+    {2532567600 -14400 0 -04}
+    {2545876800 -10800 1 -04}
+    {2564017200 -14400 0 -04}
+    {2577326400 -10800 1 -04}
+    {2596071600 -14400 0 -04}
+    {2609380800 -10800 1 -04}
+    {2627521200 -14400 0 -04}
+    {2640830400 -10800 1 -04}
+    {2658970800 -14400 0 -04}
+    {2672280000 -10800 1 -04}
+    {2690420400 -14400 0 -04}
+    {2703729600 -10800 1 -04}
+    {2721870000 -14400 0 -04}
+    {2735179200 -10800 1 -04}
+    {2753924400 -14400 0 -04}
+    {2766628800 -10800 1 -04}
+    {2785374000 -14400 0 -04}
+    {2798683200 -10800 1 -04}
+    {2816823600 -14400 0 -04}
+    {2830132800 -10800 1 -04}
+    {2848273200 -14400 0 -04}
+    {2861582400 -10800 1 -04}
+    {2879722800 -14400 0 -04}
+    {2893032000 -10800 1 -04}
+    {2911172400 -14400 0 -04}
+    {2924481600 -10800 1 -04}
+    {2943226800 -14400 0 -04}
+    {2955931200 -10800 1 -04}
+    {2974676400 -14400 0 -04}
+    {2987985600 -10800 1 -04}
+    {3006126000 -14400 0 -04}
+    {3019435200 -10800 1 -04}
+    {3037575600 -14400 0 -04}
+    {3050884800 -10800 1 -04}
+    {3069025200 -14400 0 -04}
+    {3082334400 -10800 1 -04}
+    {3101079600 -14400 0 -04}
+    {3113784000 -10800 1 -04}
+    {3132529200 -14400 0 -04}
+    {3145838400 -10800 1 -04}
+    {3163978800 -14400 0 -04}
+    {3177288000 -10800 1 -04}
+    {3195428400 -14400 0 -04}
+    {3208737600 -10800 1 -04}
+    {3226878000 -14400 0 -04}
+    {3240187200 -10800 1 -04}
+    {3258327600 -14400 0 -04}
+    {3271636800 -10800 1 -04}
+    {3290382000 -14400 0 -04}
+    {3303086400 -10800 1 -04}
+    {3321831600 -14400 0 -04}
+    {3335140800 -10800 1 -04}
+    {3353281200 -14400 0 -04}
+    {3366590400 -10800 1 -04}
+    {3384730800 -14400 0 -04}
+    {3398040000 -10800 1 -04}
+    {3416180400 -14400 0 -04}
+    {3429489600 -10800 1 -04}
+    {3447630000 -14400 0 -04}
+    {3460939200 -10800 1 -04}
+    {3479684400 -14400 0 -04}
+    {3492993600 -10800 1 -04}
+    {3511134000 -14400 0 -04}
+    {3524443200 -10800 1 -04}
+    {3542583600 -14400 0 -04}
+    {3555892800 -10800 1 -04}
+    {3574033200 -14400 0 -04}
+    {3587342400 -10800 1 -04}
+    {3605482800 -14400 0 -04}
+    {3618792000 -10800 1 -04}
+    {3637537200 -14400 0 -04}
+    {3650241600 -10800 1 -04}
+    {3668986800 -14400 0 -04}
+    {3682296000 -10800 1 -04}
+    {3700436400 -14400 0 -04}
+    {3713745600 -10800 1 -04}
+    {3731886000 -14400 0 -04}
+    {3745195200 -10800 1 -04}
+    {3763335600 -14400 0 -04}
+    {3776644800 -10800 1 -04}
+    {3794785200 -14400 0 -04}
+    {3808094400 -10800 1 -04}
+    {3826839600 -14400 0 -04}
+    {3839544000 -10800 1 -04}
+    {3858289200 -14400 0 -04}
+    {3871598400 -10800 1 -04}
+    {3889738800 -14400 0 -04}
+    {3903048000 -10800 1 -04}
+    {3921188400 -14400 0 -04}
+    {3934497600 -10800 1 -04}
+    {3952638000 -14400 0 -04}
+    {3965947200 -10800 1 -04}
+    {3984692400 -14400 0 -04}
+    {3997396800 -10800 1 -04}
+    {4016142000 -14400 0 -04}
+    {4029451200 -10800 1 -04}
+    {4047591600 -14400 0 -04}
+    {4060900800 -10800 1 -04}
+    {4079041200 -14400 0 -04}
+    {4092350400 -10800 1 -04}
 }
diff --git a/library/tzdata/Asia/Macau b/library/tzdata/Asia/Macau
index 76a00aa..cbafd0e 100644
--- a/library/tzdata/Asia/Macau
+++ b/library/tzdata/Asia/Macau
@@ -1,20 +1,56 @@
 # created by tools/tclZIC.tcl - do not edit
 
 set TZData(:Asia/Macau) {
-    {-9223372036854775808 27260 0 LMT}
-    {-1830412800 28800 0 CST}
+    {-9223372036854775808 27250 0 LMT}
+    {-2056692850 28800 0 CST}
+    {-884509200 32400 0 +09}
+    {-873280800 36000 1 +09}
+    {-855918000 32400 0 +09}
+    {-841744800 36000 1 +09}
+    {-828529200 32400 0 +10}
+    {-765363600 28800 0 CT}
+    {-747046800 32400 1 CDT}
+    {-733827600 28800 0 CST}
+    {-716461200 32400 1 CDT}
+    {-697021200 28800 0 CST}
+    {-683715600 32400 1 CDT}
+    {-667990800 28800 0 CST}
+    {-654771600 32400 1 CDT}
+    {-636627600 28800 0 CST}
+    {-623322000 32400 1 CDT}
+    {-605178000 28800 0 CST}
+    {-591872400 32400 1 CDT}
+    {-573642000 28800 0 CST}
+    {-559818000 32400 1 CDT}
+    {-541674000 28800 0 CST}
+    {-528368400 32400 1 CDT}
+    {-510224400 28800 0 CST}
+    {-498128400 32400 1 CDT}
+    {-478774800 28800 0 CST}
+    {-466678800 32400 1 CDT}
+    {-446720400 28800 0 CST}
+    {-435229200 32400 1 CDT}
+    {-415258200 28800 0 CST}
+    {-403158600 32400 1 CDT}
+    {-383808600 28800 0 CST}
+    {-371709000 32400 1 CDT}
+    {-352359000 28800 0 CST}
+    {-340259400 32400 1 CDT}
+    {-320909400 28800 0 CST}
+    {-308809800 32400 1 CDT}
+    {-288855000 28800 0 CST}
     {-277360200 32400 1 CDT}
     {-257405400 28800 0 CST}
     {-245910600 32400 1 CDT}
     {-225955800 28800 0 CST}
-    {-214473600 32400 1 CDT}
+    {-213856200 32400 1 CDT}
     {-194506200 28800 0 CST}
     {-182406600 32400 1 CDT}
     {-163056600 28800 0 CST}
-    {-150969600 32400 1 CDT}
-    {-131619600 28800 0 CST}
+    {-148537800 32400 1 CDT}
+    {-132820200 28800 0 CST}
     {-117088200 32400 1 CDT}
-    {-101367000 28800 0 CST}
+    {-101370600 28800 0 CST}
     {-85638600 32400 1 CDT}
     {-69312600 28800 0 CST}
     {-53584200 32400 1 CDT}
@@ -25,22 +61,16 @@ set TZData(:Asia/Macau) {
     {25036200 28800 0 CST}
     {40764600 32400 1 CDT}
     {56485800 28800 0 CST}
-    {72201600 32400 1 CDT}
-    {87922800 28800 0 CST}
-    {103651200 32400 1 CDT}
-    {119977200 28800 0 CST}
-    {135705600 32400 1 CDT}
+    {72214200 32400 1 CDT}
+    {88540200 28800 0 CST}
+    {104268600 32400 1 CDT}
+    {119989800 28800 0 CST}
+    {126041400 32400 1 CDT}
     {151439400 28800 0 CST}
     {167167800 32400 1 CDT}
     {182889000 28800 0 CST}
     {198617400 32400 1 CDT}
     {214338600 28800 0 CST}
-    {230067000 32400 1 CDT}
-    {245788200 28800 0 CST}
-    {261504000 32400 1 CDT}
-    {277225200 28800 0 CST}
-    {292953600 32400 1 CDT}
-    {309279600 28800 0 CST}
-    {325008000 32400 1 CDT}
-    {340729200 28800 0 CST}
+    {295385400 32400 1 CDT}
+    {309292200 28800 0 CST}
 }
diff --git a/library/tzdata/Asia/Manila b/library/tzdata/Asia/Manila
index b7ffa7a..6eb1db3 100644
--- a/library/tzdata/Asia/Manila
+++ b/library/tzdata/Asia/Manila
@@ -3,13 +3,13 @@
 set TZData(:Asia/Manila) {
     {-9223372036854775808 -57360 0 LMT}
     {-3944621040 29040 0 LMT}
-    {-2229321840 28800 0 +08}
-    {-1046678400 32400 1 +08}
-    {-1038733200 28800 0 +08}
-    {-873273600 32400 0 +09}
-    {-794221200 28800 0 +08}
-    {-496224000 32400 1 +08}
-    {-489315600 28800 0 +08}
-    {259344000 32400 1 +08}
-    {275151600 28800 0 +08}
+    {-2229321840 28800 0 PST}
+    {-1046678400 32400 1 PDT}
+    {-1038733200 28800 0 PST}
+    {-873273600 32400 0 JST}
+    {-794221200 28800 0 PST}
+    {-496224000 32400 1 PDT}
+    {-489315600 28800 0 PST}
+    {259344000 32400 1 PDT}
+    {275151600 28800 0 PST}
 }
diff --git a/library/tzdata/Asia/Pyongyang b/library/tzdata/Asia/Pyongyang
index 5746472..5351736 100644
--- a/library/tzdata/Asia/Pyongyang
+++ b/library/tzdata/Asia/Pyongyang
@@ -6,5 +6,5 @@ set TZData(:Asia/Pyongyang) {
     {-1830414600 32400 0 JST}
     {-768646800 32400 0 KST}
     {1439564400 30600 0 KST}
-    {1525447800 32400 0 KST}
+    {1525446000 32400 0 KST}
 }
diff --git a/library/tzdata/Asia/Shanghai b/library/tzdata/Asia/Shanghai
index ff2d2b5..66bc4339 100644
--- a/library/tzdata/Asia/Shanghai
+++ b/library/tzdata/Asia/Shanghai
@@ -3,21 +3,30 @@
 set TZData(:Asia/Shanghai) {
     {-9223372036854775808 29143 0 LMT}
     {-2177481943 28800 0 CST}
-    {-933494400 32400 1 CDT}
-    {-923130000 28800 0 CST}
-    {-908784000 32400 1 CDT}
-    {-891594000 28800 0 CST}
-    {-662716800 28800 0 CST}
-    {515520000 32400 1 CDT}
-    {527007600 28800 0 CST}
-    {545155200 32400 1 CDT}
-    {558457200 28800 0 CST}
-    {576604800 32400 1 CDT}
-    {589906800 28800 0 CST}
-    {608659200 32400 1 CDT}
-    {621961200 28800 0 CST}
-    {640108800 32400 1 CDT}
-    {653410800 28800 0 CST}
-    {671558400 32400 1 CDT}
-    {684860400 28800 0 CST}
+    {-933667200 32400 1 CDT}
+    {-922093200 28800 0 CST}
+    {-908870400 32400 1 CDT}
+    {-888829200 28800 0 CST}
+    {-881049600 32400 1 CDT}
+    {-767869200 28800 0 CST}
+    {-745833600 32400 1 CDT}
+    {-733827600 28800 0 CST}
+    {-716889600 32400 1 CDT}
+    {-699613200 28800 0 CST}
+    {-683884800 32400 1 CDT}
+    {-670669200 28800 0 CST}
+    {-652348800 32400 1 CDT}
+    {-650016000 28800 0 CST}
+    {515527200 32400 1 CDT}
+    {527014800 28800 0 CST}
+    {545162400 32400 1 CDT}
+    {558464400 28800 0 CST}
+    {577216800 32400 1 CDT}
+    {589914000 28800 0 CST}
+    {608666400 32400 1 CDT}
+    {621968400 28800 0 CST}
+    {640116000 32400 1 CDT}
+    {653418000 28800 0 CST}
+    {671565600 32400 1 CDT}
+    {684867600 28800 0 CST}
 }
diff --git a/library/tzdata/Asia/Tokyo b/library/tzdata/Asia/Tokyo
index 790df0a..cc7a857 100644
--- a/library/tzdata/Asia/Tokyo
+++ b/library/tzdata/Asia/Tokyo
@@ -4,11 +4,11 @@ set TZData(:Asia/Tokyo) {
     {-9223372036854775808 33539 0 LMT}
     {-2587712400 32400 0 JST}
     {-683802000 36000 1 JDT}
-    {-672314400 32400 0 JST}
+    {-672310800 32400 0 JST}
     {-654771600 36000 1 JDT}
-    {-640864800 32400 0 JST}
+    {-640861200 32400 0 JST}
     {-620298000 36000 1 JDT}
-    {-609415200 32400 0 JST}
+    {-609411600 32400 0 JST}
     {-588848400 36000 1 JDT}
-    {-577965600 32400 0 JST}
+    {-577962000 32400 0 JST}
 }
diff --git a/library/tzdata/Europe/Volgograd b/library/tzdata/Europe/Volgograd
index 05e1044..3938683 100644
--- a/library/tzdata/Europe/Volgograd
+++ b/library/tzdata/Europe/Volgograd
@@ -68,4 +68,5 @@ set TZData(:Europe/Volgograd) {
     {1288479600 10800 0 +03}
     {1301180400 14400 0 +04}
     {1414274400 10800 0 +03}
+    {1540681200 14400 0 +04}
 }
diff --git a/library/tzdata/Pacific/Easter b/library/tzdata/Pacific/Easter
index a087cd0..7a8d525 100644
--- a/library/tzdata/Pacific/Easter
+++ b/library/tzdata/Pacific/Easter
@@ -103,166 +103,166 @@ set TZData(:Pacific/Easter) {
     {1502596800 -18000 1 -06}
     {1526180400 -21600 0 -06}
     {1534046400 -18000 1 -06}
-    {1557630000 -21600 0 -06}
-    {1565496000 -18000 1 -06}
-    {1589079600 -21600 0 -06}
-    {1596945600 -18000 1 -06}
-    {1620529200 -21600 0 -06}
-    {1629000000 -18000 1 -06}
-    {1652583600 -21600 0 -06}
-    {1660449600 -18000 1 -06}
-    {1684033200 -21600 0 -06}
-    {1691899200 -18000 1 -06}
-    {1715482800 -21600 0 -06}
-    {1723348800 -18000 1 -06}
-    {1746932400 -21600 0 -06}
-    {1754798400 -18000 1 -06}
-    {1778382000 -21600 0 -06}
-    {1786248000 -18000 1 -06}
-    {1809831600 -21600 0 -06}
-    {1818302400 -18000 1 -06}
-    {1841886000 -21600 0 -06}
-    {1849752000 -18000 1 -06}
-    {1873335600 -21600 0 -06}
-    {1881201600 -18000 1 -06}
-    {1904785200 -21600 0 -06}
-    {1912651200 -18000 1 -06}
-    {1936234800 -21600 0 -06}
-    {1944100800 -18000 1 -06}
-    {1967684400 -21600 0 -06}
-    {1976155200 -18000 1 -06}
-    {1999738800 -21600 0 -06}
-    {2007604800 -18000 1 -06}
-    {2031188400 -21600 0 -06}
-    {2039054400 -18000 1 -06}
-    {2062638000 -21600 0 -06}
-    {2070504000 -18000 1 -06}
-    {2094087600 -21600 0 -06}
-    {2101953600 -18000 1 -06}
-    {2125537200 -21600 0 -06}
-    {2133403200 -18000 1 -06}
-    {2156986800 -21600 0 -06}
-    {2165457600 -18000 1 -06}
-    {2189041200 -21600 0 -06}
-    {2196907200 -18000 1 -06}
-    {2220490800 -21600 0 -06}
-    {2228356800 -18000 1 -06}
-    {2251940400 -21600 0 -06}
-    {2259806400 -18000 1 -06}
-    {2283390000 -21600 0 -06}
-    {2291256000 -18000 1 -06}
-    {2314839600 -21600 0 -06}
-    {2322705600 -18000 1 -06}
-    {2346894000 -21600 0 -06}
-    {2354760000 -18000 1 -06}
-    {2378343600 -21600 0 -06}
-    {2386209600 -18000 1 -06}
-    {2409793200 -21600 0 -06}
-    {2417659200 -18000 1 -06}
-    {2441242800 -21600 0 -06}
-    {2449108800 -18000 1 -06}
-    {2472692400 -21600 0 -06}
-    {2480558400 -18000 1 -06}
-    {2504142000 -21600 0 -06}
-    {2512612800 -18000 1 -06}
-    {2536196400 -21600 0 -06}
-    {2544062400 -18000 1 -06}
-    {2567646000 -21600 0 -06}
-    {2575512000 -18000 1 -06}
-    {2599095600 -21600 0 -06}
-    {2606961600 -18000 1 -06}
-    {2630545200 -21600 0 -06}
-    {2638411200 -18000 1 -06}
-    {2661994800 -21600 0 -06}
-    {2669860800 -18000 1 -06}
-    {2693444400 -21600 0 -06}
-    {2701915200 -18000 1 -06}
-    {2725498800 -21600 0 -06}
-    {2733364800 -18000 1 -06}
-    {2756948400 -21600 0 -06}
-    {2764814400 -18000 1 -06}
-    {2788398000 -21600 0 -06}
-    {2796264000 -18000 1 -06}
-    {2819847600 -21600 0 -06}
-    {2827713600 -18000 1 -06}
-    {2851297200 -21600 0 -06}
-    {2859768000 -18000 1 -06}
-    {2883351600 -21600 0 -06}
-    {2891217600 -18000 1 -06}
-    {2914801200 -21600 0 -06}
-    {2922667200 -18000 1 -06}
-    {2946250800 -21600 0 -06}
-    {2954116800 -18000 1 -06}
-    {2977700400 -21600 0 -06}
-    {2985566400 -18000 1 -06}
-    {3009150000 -21600 0 -06}
-    {3017016000 -18000 1 -06}
-    {3040599600 -21600 0 -06}
-    {3049070400 -18000 1 -06}
-    {3072654000 -21600 0 -06}
-    {3080520000 -18000 1 -06}
-    {3104103600 -21600 0 -06}
-    {3111969600 -18000 1 -06}
-    {3135553200 -21600 0 -06}
-    {3143419200 -18000 1 -06}
-    {3167002800 -21600 0 -06}
-    {3174868800 -18000 1 -06}
-    {3198452400 -21600 0 -06}
-    {3206318400 -18000 1 -06}
-    {3230506800 -21600 0 -06}
-    {3238372800 -18000 1 -06}
-    {3261956400 -21600 0 -06}
-    {3269822400 -18000 1 -06}
-    {3293406000 -21600 0 -06}
-    {3301272000 -18000 1 -06}
-    {3324855600 -21600 0 -06}
-    {3332721600 -18000 1 -06}
-    {3356305200 -21600 0 -06}
-    {3364171200 -18000 1 -06}
-    {3387754800 -21600 0 -06}
-    {3396225600 -18000 1 -06}
-    {3419809200 -21600 0 -06}
-    {3427675200 -18000 1 -06}
-    {3451258800 -21600 0 -06}
-    {3459124800 -18000 1 -06}
-    {3482708400 -21600 0 -06}
-    {3490574400 -18000 1 -06}
-    {3514158000 -21600 0 -06}
-    {3522024000 -18000 1 -06}
-    {3545607600 -21600 0 -06}
-    {3553473600 -18000 1 -06}
-    {3577057200 -21600 0 -06}
-    {3585528000 -18000 1 -06}
-    {3609111600 -21600 0 -06}
-    {3616977600 -18000 1 -06}
-    {3640561200 -21600 0 -06}
-    {3648427200 -18000 1 -06}
-    {3672010800 -21600 0 -06}
-    {3679876800 -18000 1 -06}
-    {3703460400 -21600 0 -06}
-    {3711326400 -18000 1 -06}
-    {3734910000 -21600 0 -06}
-    {3743380800 -18000 1 -06}
-    {3766964400 -21600 0 -06}
-    {3774830400 -18000 1 -06}
-    {3798414000 -21600 0 -06}
-    {3806280000 -18000 1 -06}
-    {3829863600 -21600 0 -06}
-    {3837729600 -18000 1 -06}
-    {3861313200 -21600 0 -06}
-    {3869179200 -18000 1 -06}
-    {3892762800 -21600 0 -06}
-    {3900628800 -18000 1 -06}
-    {3924212400 -21600 0 -06}
-    {3932683200 -18000 1 -06}
-    {3956266800 -21600 0 -06}
-    {3964132800 -18000 1 -06}
-    {3987716400 -21600 0 -06}
-    {3995582400 -18000 1 -06}
-    {4019166000 -21600 0 -06}
-    {4027032000 -18000 1 -06}
-    {4050615600 -21600 0 -06}
-    {4058481600 -18000 1 -06}
-    {4082065200 -21600 0 -06}
-    {4089931200 -18000 1 -06}
+    {1554606000 -21600 0 -06}
+    {1567915200 -18000 1 -06}
+    {1586055600 -21600 0 -06}
+    {1599364800 -18000 1 -06}
+    {1617505200 -21600 0 -06}
+    {1630814400 -18000 1 -06}
+    {1648954800 -21600 0 -06}
+    {1662264000 -18000 1 -06}
+    {1680404400 -21600 0 -06}
+    {1693713600 -18000 1 -06}
+    {1712458800 -21600 0 -06}
+    {1725768000 -18000 1 -06}
+    {1743908400 -21600 0 -06}
+    {1757217600 -18000 1 -06}
+    {1775358000 -21600 0 -06}
+    {1788667200 -18000 1 -06}
+    {1806807600 -21600 0 -06}
+    {1820116800 -18000 1 -06}
+    {1838257200 -21600 0 -06}
+    {1851566400 -18000 1 -06}
+    {1870311600 -21600 0 -06}
+    {1883016000 -18000 1 -06}
+    {1901761200 -21600 0 -06}
+    {1915070400 -18000 1 -06}
+    {1933210800 -21600 0 -06}
+    {1946520000 -18000 1 -06}
+    {1964660400 -21600 0 -06}
+    {1977969600 -18000 1 -06}
+    {1996110000 -21600 0 -06}
+    {2009419200 -18000 1 -06}
+    {2027559600 -21600 0 -06}
+    {2040868800 -18000 1 -06}
+    {2059614000 -21600 0 -06}
+    {2072318400 -18000 1 -06}
+    {2091063600 -21600 0 -06}
+    {2104372800 -18000 1 -06}
+    {2122513200 -21600 0 -06}
+    {2135822400 -18000 1 -06}
+    {2153962800 -21600 0 -06}
+    {2167272000 -18000 1 -06}
+    {2185412400 -21600 0 -06}
+    {2198721600 -18000 1 -06}
+    {2217466800 -21600 0 -06}
+    {2230171200 -18000 1 -06}
+    {2248916400 -21600 0 -06}
+    {2262225600 -18000 1 -06}
+    {2280366000 -21600 0 -06}
+    {2293675200 -18000 1 -06}
+    {2311815600 -21600 0 -06}
+    {2325124800 -18000 1 -06}
+    {2343265200 -21600 0 -06}
+    {2356574400 -18000 1 -06}
+    {2374714800 -21600 0 -06}
+    {2388024000 -18000 1 -06}
+    {2406769200 -21600 0 -06}
+    {2419473600 -18000 1 -06}
+    {2438218800 -21600 0 -06}
+    {2451528000 -18000 1 -06}
+    {2469668400 -21600 0 -06}
+    {2482977600 -18000 1 -06}
+    {2501118000 -21600 0 -06}
+    {2514427200 -18000 1 -06}
+    {2532567600 -21600 0 -06}
+    {2545876800 -18000 1 -06}
+    {2564017200 -21600 0 -06}
+    {2577326400 -18000 1 -06}
+    {2596071600 -21600 0 -06}
+    {2609380800 -18000 1 -06}
+    {2627521200 -21600 0 -06}
+    {2640830400 -18000 1 -06}
+    {2658970800 -21600 0 -06}
+    {2672280000 -18000 1 -06}
+    {2690420400 -21600 0 -06}
+    {2703729600 -18000 1 -06}
+    {2721870000 -21600 0 -06}
+    {2735179200 -18000 1 -06}
+    {2753924400 -21600 0 -06}
+    {2766628800 -18000 1 -06}
+    {2785374000 -21600 0 -06}
+    {2798683200 -18000 1 -06}
+    {2816823600 -21600 0 -06}
+    {2830132800 -18000 1 -06}
+    {2848273200 -21600 0 -06}
+    {2861582400 -18000 1 -06}
+    {2879722800 -21600 0 -06}
+    {2893032000 -18000 1 -06}
+    {2911172400 -21600 0 -06}
+    {2924481600 -18000 1 -06}
+    {2943226800 -21600 0 -06}
+    {2955931200 -18000 1 -06}
+    {2974676400 -21600 0 -06}
+    {2987985600 -18000 1 -06}
+    {3006126000 -21600 0 -06}
+    {3019435200 -18000 1 -06}
+    {3037575600 -21600 0 -06}
+    {3050884800 -18000 1 -06}
+    {3069025200 -21600 0 -06}
+    {3082334400 -18000 1 -06}
+    {3101079600 -21600 0 -06}
+    {3113784000 -18000 1 -06}
+    {3132529200 -21600 0 -06}
+    {3145838400 -18000 1 -06}
+    {3163978800 -21600 0 -06}
+    {3177288000 -18000 1 -06}
+    {3195428400 -21600 0 -06}
+    {3208737600 -18000 1 -06}
+    {3226878000 -21600 0 -06}
+    {3240187200 -18000 1 -06}
+    {3258327600 -21600 0 -06}
+    {3271636800 -18000 1 -06}
+    {3290382000 -21600 0 -06}
+    {3303086400 -18000 1 -06}
+    {3321831600 -21600 0 -06}
+    {3335140800 -18000 1 -06}
+    {3353281200 -21600 0 -06}
+    {3366590400 -18000 1 -06}
+    {3384730800 -21600 0 -06}
+    {3398040000 -18000 1 -06}
+    {3416180400 -21600 0 -06}
+    {3429489600 -18000 1 -06}
+    {3447630000 -21600 0 -06}
+    {3460939200 -18000 1 -06}
+    {3479684400 -21600 0 -06}
+    {3492993600 -18000 1 -06}
+    {3511134000 -21600 0 -06}
+    {3524443200 -18000 1 -06}
+    {3542583600 -21600 0 -06}
+    {3555892800 -18000 1 -06}
+    {3574033200 -21600 0 -06}
+    {3587342400 -18000 1 -06}
+    {3605482800 -21600 0 -06}
+    {3618792000 -18000 1 -06}
+    {3637537200 -21600 0 -06}
+    {3650241600 -18000 1 -06}
+    {3668986800 -21600 0 -06}
+    {3682296000 -18000 1 -06}
+    {3700436400 -21600 0 -06}
+    {3713745600 -18000 1 -06}
+    {3731886000 -21600 0 -06}
+    {3745195200 -18000 1 -06}
+    {3763335600 -21600 0 -06}
+    {3776644800 -18000 1 -06}
+    {3794785200 -21600 0 -06}
+    {3808094400 -18000 1 -06}
+    {3826839600 -21600 0 -06}
+    {3839544000 -18000 1 -06}
+    {3858289200 -21600 0 -06}
+    {3871598400 -18000 1 -06}
+    {3889738800 -21600 0 -06}
+    {3903048000 -18000 1 -06}
+    {3921188400 -21600 0 -06}
+    {3934497600 -18000 1 -06}
+    {3952638000 -21600 0 -06}
+    {3965947200 -18000 1 -06}
+    {3984692400 -21600 0 -06}
+    {3997396800 -18000 1 -06}
+    {4016142000 -21600 0 -06}
+    {4029451200 -18000 1 -06}
+    {4047591600 -21600 0 -06}
+    {4060900800 -18000 1 -06}
+    {4079041200 -21600 0 -06}
+    {4092350400 -18000 1 -06}
 }
diff --git a/library/tzdata/Pacific/Fiji b/library/tzdata/Pacific/Fiji
index 610c191..b05985c 100644
--- a/library/tzdata/Pacific/Fiji
+++ b/library/tzdata/Pacific/Fiji
@@ -26,7 +26,7 @@ set TZData(:Pacific/Fiji) {
     {1509804000 46800 1 +12}
     {1515852000 43200 0 +12}
     {1541253600 46800 1 +12}
-    {1547906400 43200 0 +12}
+    {1547301600 43200 0 +12}
     {1572703200 46800 1 +12}
     {1579356000 43200 0 +12}
     {1604152800 46800 1 +12}
@@ -48,7 +48,7 @@ set TZData(:Pacific/Fiji) {
     {1856959200 46800 1 +12}
     {1863007200 43200 0 +12}
     {1888408800 46800 1 +12}
-    {1895061600 43200 0 +12}
+    {1894456800 43200 0 +12}
     {1919858400 46800 1 +12}
     {1926511200 43200 0 +12}
     {1951308000 46800 1 +12}
@@ -60,7 +60,7 @@ set TZData(:Pacific/Fiji) {
     {2046261600 46800 1 +12}
     {2052309600 43200 0 +12}
     {2077711200 46800 1 +12}
-    {2084364000 43200 0 +12}
+    {2083759200 43200 0 +12}
     {2109160800 46800 1 +12}
     {2115813600 43200 0 +12}
     {2140610400 46800 1 +12}
@@ -70,7 +70,7 @@ set TZData(:Pacific/Fiji) {
     {2204114400 46800 1 +12}
     {2210162400 43200 0 +12}
     {2235564000 46800 1 +12}
-    {2242216800 43200 0 +12}
+    {2241612000 43200 0 +12}
     {2267013600 46800 1 +12}
     {2273666400 43200 0 +12}
     {2298463200 46800 1 +12}
@@ -82,7 +82,7 @@ set TZData(:Pacific/Fiji) {
     {2393416800 46800 1 +12}
     {2399464800 43200 0 +12}
     {2424866400 46800 1 +12}
-    {2431519200 43200 0 +12}
+    {2430914400 43200 0 +12}
     {2456316000 46800 1 +12}
     {2462968800 43200 0 +12}
     {2487765600 46800 1 +12}
@@ -104,7 +104,7 @@ set TZData(:Pacific/Fiji) {
     {2740572000 46800 1 +12}
     {2746620000 43200 0 +12}
     {2772021600 46800 1 +12}
-    {2778674400 43200 0 +12}
+    {2778069600 43200 0 +12}
     {2803471200 46800 1 +12}
     {2810124000 43200 0 +12}
     {2834920800 46800 1 +12}
@@ -116,7 +116,7 @@ set TZData(:Pacific/Fiji) {
     {2929874400 46800 1 +12}
     {2935922400 43200 0 +12}
     {2961324000 46800 1 +12}
-    {2967976800 43200 0 +12}
+    {2967372000 43200 0 +12}
     {2992773600 46800 1 +12}
     {2999426400 43200 0 +12}
     {3024223200 46800 1 +12}
@@ -126,7 +126,7 @@ set TZData(:Pacific/Fiji) {
     {3087727200 46800 1 +12}
     {3093775200 43200 0 +12}
     {3119176800 46800 1 +12}
-    {3125829600 43200 0 +12}
+    {3125224800 43200 0 +12}
     {3150626400 46800 1 +12}
     {3157279200 43200 0 +12}
     {3182076000 46800 1 +12}
@@ -138,7 +138,7 @@ set TZData(:Pacific/Fiji) {
     {3277029600 46800 1 +12}
     {3283077600 43200 0 +12}
     {3308479200 46800 1 +12}
-    {3315132000 43200 0 +12}
+    {3314527200 43200 0 +12}
     {3339928800 46800 1 +12}
     {3346581600 43200 0 +12}
     {3371378400 46800 1 +12}
@@ -160,7 +160,7 @@ set TZData(:Pacific/Fiji) {
     {3624184800 46800 1 +12}
     {3630232800 43200 0 +12}
     {3655634400 46800 1 +12}
-    {3662287200 43200 0 +12}
+    {3661682400 43200 0 +12}
     {3687084000 46800 1 +12}
     {3693736800 43200 0 +12}
     {3718533600 46800 1 +12}
@@ -172,7 +172,7 @@ set TZData(:Pacific/Fiji) {
     {3813487200 46800 1 +12}
     {3819535200 43200 0 +12}
     {3844936800 46800 1 +12}
-    {3851589600 43200 0 +12}
+    {3850984800 43200 0 +12}
     {3876386400 46800 1 +12}
     {3883039200 43200 0 +12}
     {3907836000 46800 1 +12}
@@ -182,7 +182,7 @@ set TZData(:Pacific/Fiji) {
     {3971340000 46800 1 +12}
     {3977388000 43200 0 +12}
     {4002789600 46800 1 +12}
-    {4009442400 43200 0 +12}
+    {4008837600 43200 0 +12}
     {4034239200 46800 1 +12}
     {4040892000 43200 0 +12}
     {4065688800 46800 1 +12}
diff --git a/tests/cmdAH.test b/tests/cmdAH.test
index 0377064..e8933d6 100644
--- a/tests/cmdAH.test
+++ b/tests/cmdAH.test
@@ -23,7 +23,7 @@ testConstraint testsetplatform [llength [info commands testsetplatform]]
 testConstraint testvolumetype  [llength [info commands testvolumetype]]
 testConstraint linkDirectory [expr {
     ![testConstraint win] ||
-    ([string index $tcl_platform(osVersion) 0] >= 5
+    ($::tcl_platform(osVersion) >= 5.0
      && [lindex [file system [temporaryDirectory]] 1] eq "NTFS")
 }]
 
diff --git a/tests/fCmd.test b/tests/fCmd.test
index c8264b2..11ab79e 100644
--- a/tests/fCmd.test
+++ b/tests/fCmd.test
@@ -65,11 +65,10 @@ if {[testConstraint unix]} {
 
 # Also used in winFCmd...
 if {[testConstraint win]} {
-    set major [string index $tcl_platform(osVersion) 0]
-    if {[testConstraint nt] && $major > 4} {
-        if {$major > 5} {
+    if {[testConstraint nt] && $::tcl_platform(osVersion) >= 5.0} {
+        if {$::tcl_platform(osVersion) >= 6.0} {
             testConstraint winVista 1
-        } elseif {$major == 5} {
+        } else {
             testConstraint win2000orXP 1
         }
     }
@@ -78,7 +77,7 @@ if {[testConstraint win]} {
 testConstraint darwin9 [expr {
     [testConstraint unix]
     && $tcl_platform(os) eq "Darwin"
-    && [package vsatisfies 1.$tcl_platform(osVersion) 1.9]
+    && [package vsatisfies 1.$::tcl_platform(osVersion) 1.9]
 }]
 testConstraint notDarwin9 [expr {![testConstraint darwin9]}]
 
@@ -2309,7 +2308,7 @@ test fCmd-27.6 {TclFileAttrsCmd - setting more than one option} -setup {
 
 if {
     [testConstraint win] &&
-    ([string index $tcl_platform(osVersion) 0] < 5
+    ($::tcl_platform(osVersion) < 5.0
      || [lindex [file system [temporaryDirectory]] 1] ne "NTFS")
 } then {
     testConstraint linkDirectory 0
diff --git a/tests/fileName.test b/tests/fileName.test
index 7f983a7..7b51da1 100644
--- a/tests/fileName.test
+++ b/tests/fileName.test
@@ -23,7 +23,7 @@ testConstraint testtranslatefilename [llength [info commands testtranslatefilena
 testConstraint linkDirectory 1
 testConstraint symbolicLinkFile 1
 if {[testConstraint win]} {
-    if {[string index $tcl_platform(osVersion) 0] < 5 \
+    if {$::tcl_platform(osVersion) < 5.0 \
 	    || [lindex [file system [temporaryDirectory]] 1] ne "NTFS"} {
 	testConstraint linkDirectory 0
     }
diff --git a/tests/oo.test b/tests/oo.test
index 024f890..db5c14f 100644
--- a/tests/oo.test
+++ b/tests/oo.test
@@ -1804,6 +1804,106 @@ test oo-13.4 {OO: changing an object's class} -body {
     foo destroy
     bar destroy
 } -result {::foo ::foo ::foo ::bar}
+test oo-13.5 {OO: changing an object's class: non-class to class} -setup {
+    oo::object create fooObj
+} -body {
+    oo::objdefine fooObj {
+	class oo::class
+    }
+    oo::define fooObj {
+	method x {} {expr 1+2+3}
+    }
+    [fooObj new] x
+} -cleanup {
+    fooObj destroy
+} -result 6
+test oo-13.6 {OO: changing an object's class: class to non-class} -setup {
+    oo::class create foo
+    unset -nocomplain ::result
+} -body {
+    set result dangling
+    oo::define foo {
+	method x {} {expr 1+2+3}
+    }
+    oo::class create boo {
+	superclass foo
+	destructor {set ::result "ok"}
+    }
+    boo new
+    foo create bar
+    oo::objdefine foo {
+	class oo::object
+    }
+    list $result [catch {bar x} msg] $msg
+} -cleanup {
+    catch {bar destroy}
+    foo destroy
+} -result {ok 1 {invalid command name "bar"}}
+test oo-13.7 {OO: changing an object's class} -setup {
+    oo::class create foo
+    oo::class create bar
+    unset -nocomplain result
+} -body {
+    oo::define bar method x {} {return ok}
+    oo::define foo {
+	method x {} {expr 1+2+3}
+	self mixin foo
+    }
+    lappend result [foo x]
+    oo::objdefine foo class bar
+    lappend result [foo x]
+} -cleanup {
+    foo destroy
+    bar destroy
+} -result {6 ok}
+test oo-13.8 {OO: changing an object's class to itself} -setup {
+    oo::class create foo
+} -body {
+    oo::define foo {
+	method x {} {expr 1+2+3}
+    }
+    oo::objdefine foo class foo
+} -cleanup {
+    foo destroy
+} -returnCodes error -result {may not change classes into an instance of themselves}
+test oo-13.9 {OO: changing an object's class: roots are special} -setup {
+    set i [interp create]
+} -body {
+    $i eval {
+	oo::objdefine oo::object {
+	    class oo::class
+	}
+    }
+} -cleanup {
+    interp delete $i
+} -returnCodes error -result {may not modify the class of the root object class}
+test oo-13.10 {OO: changing an object's class: roots are special} -setup {
+    set i [interp create]
+} -body {
+    $i eval {
+	oo::objdefine oo::class {
+	    class oo::object
+	}
+    }
+} -cleanup {
+    interp delete $i
+} -returnCodes error -result {may not modify the class of the class of classes}
+test oo-13.11 {OO: changing an object's class in a tricky place} -setup {
+    oo::class create cls
+    unset -nocomplain result
+} -body {
+    set result gorp
+    list [catch {
+	oo::define cls {
+	    method x {} {return}
+	    self class oo::object
+	    ::set ::result ok
+	    method y {} {return}; # I'm sorry, Dave. I'm afraid I can't do that.
+	}
+    } msg] $msg $result
+} -cleanup {
+    cls destroy
+} -result {1 {attempt to misuse API} ok}
 # todo: changing a class subtype (metaclass) to another class subtype
 
 test oo-14.1 {OO: mixins} {
diff --git a/tests/winFCmd.test b/tests/winFCmd.test
index 28a08fb..5243eca 100644
--- a/tests/winFCmd.test
+++ b/tests/winFCmd.test
@@ -57,11 +57,10 @@ proc cleanup {args} {
 }
 
 if {[testConstraint winOnly]} {
-    set major [string index $tcl_platform(osVersion) 0]
-    if {[testConstraint nt] && $major > 4} {
-        if {$major > 5} {
+    if {[testConstraint nt] && $::tcl_platform(osVersion) >= 5.0} {
+        if {$::tcl_platform(osVersion) >= 6.0} {
             testConstraint winVista 1
-        } elseif {$major == 5} {
+        } else {
             testConstraint win2000orXP 1
         }
     } else {
diff --git a/tools/genStubs.tcl b/tools/genStubs.tcl
index 9f2c6ca..f2f410f 100644
--- a/tools/genStubs.tcl
+++ b/tools/genStubs.tcl
@@ -191,12 +191,28 @@ proc genStubs::declare {args} {
     regsub -all "\[ \t\n\]+" [string trim $decl] " " decl
     set decl [parseDecl $decl]
 
-    foreach platform $platformList {
-	if {$decl ne ""} {
-	    set stubs($curName,$platform,$index) $decl
-	    if {![info exists stubs($curName,$platform,lastNum)] \
-		    || ($index > $stubs($curName,$platform,lastNum))} {
-		set stubs($curName,$platform,lastNum) $index
+    if {([lindex $platformList 0] eq "deprecated")} {
+	set stubs($curName,deprecated,$index) [lindex $platformList 1]
+	set stubs($curName,generic,$index) $decl
+	if {![info exists stubs($curName,generic,lastNum)] \
+		|| ($index > $stubs($curName,generic,lastNum))} {
+	    set stubs($curName,generic,lastNum) $index
+	}
+    } elseif {([lindex $platformList 0] eq "nostub")} {
+	set stubs($curName,nostub,$index) [lindex $platformList 1]
+	set stubs($curName,generic,$index) $decl
+	if {![info exists stubs($curName,generic,lastNum)] \
+		|| ($index > $stubs($curName,generic,lastNum))} {
+	    set stubs($curName,generic,lastNum) $index
+	}
+    } else {
+	foreach platform $platformList {
+	    if {$decl ne ""} {
+		set stubs($curName,$platform,$index) $decl
+		    if {![info exists stubs($curName,$platform,lastNum)] \
+			    || ($index > $stubs($curName,$platform,lastNum))} {
+			set stubs($curName,$platform,lastNum) $index
+		}
 	    }
 	}
     }
@@ -455,10 +471,17 @@ proc genStubs::parseArg {arg} {
 
 proc genStubs::makeDecl {name decl index} {
     variable scspec
+    variable stubs
+    variable libraryName
     lassign $decl rtype fname args
 
     append text "/* $index */\n"
-    set line "$scspec $rtype"
+    if {[info exists stubs($name,deprecated,$index)]} {
+	append text "[string toupper $libraryName]_DEPRECATED(\"$stubs($name,deprecated,$index)\")\n"
+	set line "$rtype"
+    } else {
+	set line "$scspec $rtype"
+    }
     set count [expr {2 - ([string length $line] / 8)}]
     append line [string range "\t\t\t" 0 $count]
     set pad [expr {24 - [string length $line]}]
@@ -569,11 +592,17 @@ proc genStubs::makeMacro {name decl index} {
 
 proc genStubs::makeSlot {name decl index} {
     lassign $decl rtype fname args
+    variable stubs
 
     set lfname [string tolower [string index $fname 0]]
     append lfname [string range $fname 1 end]
 
     set text "    "
+    if {[info exists stubs($name,deprecated,$index)]} {
+	append text "TCL_DEPRECATED_API(\"$stubs($name,deprecated,$index)\") "
+    } elseif {[info exists stubs($name,nostub,$index)]} {
+	append text "TCL_DEPRECATED_API(\"$stubs($name,nostub,$index)\") "
+    }
     if {$args eq ""} {
 	append text $rtype " *" $lfname "; /* $index */\n"
 	return $text
@@ -682,7 +711,13 @@ proc genStubs::forAllStubs {name slotProc onAll textVar
 	for {set i 0} {$i <= $lastNum} {incr i} {
 	    set slots [array names stubs $name,*,$i]
 	    set emit 0
-	    if {[info exists stubs($name,generic,$i)]} {
+	    if {[info exists stubs($name,deprecated,$i)]} {
+		append text [$slotProc $name $stubs($name,generic,$i) $i]
+		set emit 1
+	    } elseif {[info exists stubs($name,nostub,$i)]} {
+		append text [$slotProc $name $stubs($name,generic,$i) $i]
+		set emit 1
+	    } elseif {[info exists stubs($name,generic,$i)]} {
 		if {[llength $slots] > 1} {
 		    puts stderr "conflicting generic and platform entries:\
 			    $name $i"