[issue21933] Allow the user to change font sizes with the text pane of turtledemo

[Lita Cho]

Lita Cho added the comment:

Here is an updated version of the patch now that Terry submitted the changes from issue21597.

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Added file: http://bugs.python.org/file36077/window_pane_font_size_v3.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21933>
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