[issue27380] IDLE: add base Query dialog with ttk widgets

[Terry J. Reedy]

Terry J. Reedy added the comment:

Pushed with minor changes.  I decided not to wait until I added more subclasses because file renames with post rename changes do not survive shelving.  Reloading from the diff requires 'rediscovering' the renames.

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Added file: http://bugs.python.org/file43554/query2.diff

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