disable undo and redo buttons when nothing to undo/redo

erikbroo / dungeon-sketch

Automatically exported from code.google.com/p/dungeon-sketch

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Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago

Feature work.

Original issue reported on code.google.com by tim.bo...@gmail.com on 18 Jan 2012 at 4:19

GoogleCodeExporter commented 8 years ago

Original comment by tim.bo...@gmail.com on 22 Jan 2012 at 5:51