[issue32308] Replace empty matches adjacent to a previous non-empty match in re.sub()

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

Could anybody please make a review of at least the documentation part?

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32308>
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