[issue24799] IDLE should detect changes to open files by other processes

[Terry J. Reedy]

Change by Terry J. Reedy <tjreedy at udel.edu>:


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assignee:  -> terry.reedy
versions: +Python 3.9 -Python 2.7, Python 3.4, Python 3.5, Python 3.6

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue24799>
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