[issue17535] IDLE: Add an option to show line numbers along the left side of the editor window, and have it enabled by default.

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

3.  Make the checkmark toggle local to the window and make the preferences 
option toggle default value to all windows. This is how it works in Kate (KDE 
text editor).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17535>
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