Comment 10 for bug 520939

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Robert Collins (lifeless) wrote : Re: [Bug 520939] Re: Launching external diff shows annoying dialog when external diff closes

On Sun, 2010-03-07 at 14:56 +0000, Gordon Tyler wrote:
> I can only guess
> that the diff app is exiting with a non-zero exit code.

Many diff tools will, to indicate to scripts that there is a diff :)

-Rob