[docs] [issue30147] Change in re.escape output is not documented in whatsnew

[Cheryl Sabella]

Change by Cheryl Sabella <chekat2 at gmail.com>:


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keywords: +patch
pull_requests: +5744
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30147>
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