[issue41679] Deprecation warning due to invalid escape sequences in Doc/tools/extensions/peg_highlight.py

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Do you want to propose a PR to fix these warnings?

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nosy: +vstinner

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41679>
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