[issue21612] IDLE should not open multiple instances of one file

[Terry J. Reedy]

Terry J. Reedy added the comment:

Notepad++, for instance (which I use), has one version installed, multiple panes, and only allows one instance to run. It matches Idle in only allowing a file to be opened in one process, which happens to be the only process.

Idle, by contrast, can have multiple versions (and I do), multiple instances of one version, and, at the moment, one file per window. I sometimes open a file with multiple versions to test. Yes, I have to be careful if I want to make a change. One person did not like the title bar change because it is bad for how he uses Idle, which is to open one file per process on Win7 in order to have a separate task bar icon for each, just like on XP. If one is doing something that might crash Idle (once all too common, now mostly fixed), a separate process makes sense.

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resolution:  -> wont fix
stage:  -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21612>
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