Index: Lib/lib-tk/Tkinter.py
===================================================================
--- Lib/lib-tk/Tkinter.py	(revision 73053)
+++ Lib/lib-tk/Tkinter.py	(working copy)
@@ -2840,11 +2840,11 @@
 
         """
         Widget.__init__(self, master, 'text', cnf, kw)
-    def bbox(self, *args):
+    def bbox(self, index):
         """Return a tuple of (x,y,width,height) which gives the bounding
-        box of the visible part of the character at the index in ARGS."""
+        box of the visible part of the character at the given index."""
         return self._getints(
-            self.tk.call((self._w, 'bbox') + args)) or None
+                self.tk.call(self._w, 'bbox', index)) or None
     def tk_textSelectTo(self, index):
         self.tk.call('tk_textSelectTo', self._w, index)
     def tk_textBackspace(self):
@@ -2861,8 +2861,9 @@
     def debug(self, boolean=None):
         """Turn on the internal consistency checks of the B-Tree inside the text
         widget according to BOOLEAN."""
-        return self.tk.getboolean(self.tk.call(
-            self._w, 'debug', boolean))
+        ret = self.tk.call(self._w, 'debug', boolean)
+        if boolean is None:
+            return self.tk.getboolean(ret)
     def delete(self, index1, index2=None):
         """Delete the characters between INDEX1 and INDEX2 (not included)."""
         self.tk.call(self._w, 'delete', index1, index2)
@@ -2945,19 +2946,19 @@
         then. Generates an error when the redo stack is empty.
         Does nothing when the undo option is false.
         """
-        return self.edit("redo")
+        self.edit("redo")
 
     def edit_reset(self):
         """Clears the undo and redo stacks
         """
-        return self.edit("reset")
+        self.edit("reset")
 
     def edit_separator(self):
         """Inserts a separator (boundary) on the undo stack.
 
         Does nothing when the undo option is false
         """
-        return self.edit("separator")
+        self.edit("separator")
 
     def edit_undo(self):
         """Undoes the last edit action
@@ -2968,7 +2969,7 @@
         an error when the undo stack is empty. Does nothing
         when the undo option is false
         """
-        return self.edit("undo")
+        self.edit("undo")
 
     def get(self, index1, index2=None):
         """Return the text from INDEX1 to INDEX2 (not included)."""