[issue34120] IDLE: Freeze when closing Settings (& About) dialog on MacOS

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

Removing 2.7 was unintended, from simultaneous editing.  This is one of the exceptional cases where a backport is worth the risk (which seems here extremely low).  I will remove it from the PR because auto backport will fail because of file renames, in addition to internal changes.  Here are the new name to old name translations, where not a just a case change, needed to prepare a 2.7 patch.

config_key  keybindingDialog
help_about aboutDialog
query  .  # New in 3.6. Grep 2.7 code for 'grab_set' to find any usages in deleted code that query replaced.

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versions: +Python 2.7

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