--- pTk/mTk/generic/tkConfig.c.orig	2008-01-04 18:50:58.000000000 +0100
+++ pTk/mTk/generic/tkConfig.c	2008-01-05 00:15:15.000000000 +0100
@@ -1210,11 +1210,12 @@
      * First, check to see if the object already has the answer cached.
      */
 
-    if (objPtr->typePtr == &tkOptionObjType) {
-        if (objPtr->internalRep.twoPtrValue.ptr1 == (VOID *) tablePtr) {
+/*    if (objPtr->typePtr == &tkOptionObjType) {
+        if (objPtr->internalRep.twoPtrValue.ptr1 == (VOID *) tablePtr
+	  && objPtr->internalRep.twoPtrValue.ptr2 != NULL) {
             return (Option *) objPtr->internalRep.twoPtrValue.ptr2;
         }
-    }
+    }*/
 
     /*
      * The answer isn't cached.
@@ -2277,9 +2278,15 @@
     if (optionPtr == NULL) {
 	return NULL;
     }
+
+    if (optionPtr->specPtr == NULL) {
+	return NULL;
+    }
+
     if (optionPtr->specPtr->type == TK_OPTION_SYNONYM) {
 	optionPtr = optionPtr->extra.synonymPtr;
     }
+
     if (optionPtr->specPtr->objOffset >= 0) {
 	resultPtr = *((Tcl_Obj **) (recordPtr + optionPtr->specPtr->objOffset));
 	if (resultPtr == NULL) {
--- pTk/mTk/generic/tkFrame.c.orig	2008-01-04 22:52:12.000000000 +0100
+++ pTk/mTk/generic/tkFrame.c	2008-01-04 23:51:20.000000000 +0100
@@ -769,6 +769,7 @@
 	    result = TCL_ERROR;
 	    goto done;
 	}
+
 	objPtr = Tk_GetOptionValue(interp, (char *) framePtr,
 		framePtr->optionTable, objv[2], framePtr->tkwin);
 	if (objPtr == NULL) {