[issue27620] IDLE: Add keyboard equivalents for mouse actions.

[Zackery Spytz]

Change by Zackery Spytz <zspytz at gmail.com>:


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keywords: +patch
nosy: +ZackerySpytz
nosy_count: 3.0 -> 4.0
pull_requests: +19026
stage: test needed -> patch review
pull_request: https://github.com/python/cpython/pull/19706

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue27620>
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