[issue30781] IDLE: configdialog -- switch to ttk widgets.

[Terry J. Reedy]

Terry J. Reedy added the comment:

The 'this' in 'this is a usability bug' refers to the fact that up and down move the blue selection highlight but not the selection, so that delete does not necessarily delete what appears to be selected.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30781>
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