diff --git a/assets/text/TODO b/assets/text/TODO
index 74f9ab4..5301720 100644
--- a/assets/text/TODO
+++ b/assets/text/TODO
@@ -13,9 +13,8 @@ High-priority list:
 1)  geometric primitives: arrow, circle, cloud/speech bubble, curve, heart, hexagon, line, pentagon, polygon, rhombus, triangle, square, star
 2)  region filters: crop, duplicate, erase, fill, invert, measure, pick, rotate, scale, select, shift, slice, tile, translate
 3)  text tool: a) allow navigating w/ cursor keys b) Unicode set key & GUI w/ MRU
-4)  fix outstanding {re,un}do bugs
-5)  GUI: {de,in}crease cell size
-6)  GUI: MRU {directories,files}
-7)  cleanup & refactor
+4)  GUI: {de,in}crease cell size
+5)  GUI: MRU {directories,files}
+6)  cleanup & refactor
 
 vim:ff=dos tw=0
diff --git a/libcanvas/CanvasJournal.py b/libcanvas/CanvasJournal.py
index e76c140..76e63f3 100644
--- a/libcanvas/CanvasJournal.py
+++ b/libcanvas/CanvasJournal.py
@@ -13,6 +13,9 @@ class CanvasJournal():
     def end(self):
         if self.patchesUndo[self.patchesUndoLevel] == [[], []]:
             del self.patchesUndo[self.patchesUndoLevel]
+        else:
+            if self.patchesUndoLevel > 0:
+                del self.patchesUndo[:self.patchesUndoLevel]; self.patchesUndoLevel = 0;
     # }}}
     # {{{ popCursor(self)
     def popCursor(self):