[issue6699] IDLE: Warn user about overwriting a file that has a newer version on filesystem

[Roger Serwy]

Roger Serwy <roger.serwy at gmail.com> added the comment:

The patch won't apply against 3.3a0 because "self.set_saved(1)" became "self.set_saved(True)" in r70054 (da7a120c0478)

After correcting this minor point, the patch works as expected.

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nosy: +serwy
versions: +Python 3.3

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