[issue20406] Use application icon for IDLE

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Yes, the default option of wm_iconbitmap works only on Windows. Does wm_iconbitmap affect taskbar icon and icon used in task switching?

Here is a patch which supports also X11 systems. I'm nor sure about Mac.

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Added file: http://bugs.python.org/file33822/idle_appicon_2.patch

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<http://bugs.python.org/issue20406>
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