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Description
The expression builder should know when an expression has/hasn't changed so we
can do the following:
1) Provide visual indication to the user that the expression is in an unsaved
state
2) Reduce the number of confirmation dialogs. If an expression hasn't changed,
then loading a new one shouldn't cause an "Are you sure?" dialog. It's
currently pretty annoying to always have to go through the confirmation dialog
when all you want to do is double-click on several expressions just to test
them and see how they work on the robot.
Original issue reported on code.google.com by garthabr...@gmail.com on 24 Oct 2011 at 3:20