[docs] [issue30147] change in re.escape output is not docuented in whatsnew

[R. David Murray]

R. David Murray added the comment:

re.escape was escaping too much previously, and this has been fixed in 3.7 (and only 3.7, because it may cause testing issues such as you have observed).  See issue 29995.

A note needs to be added to the 'porting' section of whats new covering this.

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assignee:  -> docs at python
components: +Documentation -Regular Expressions
nosy: +docs at python, r.david.murray, serhiy.storchaka
stage:  -> needs patch
title: change in interface for compiled regex.pattern -> change in re.escape output is not docuented in whatsnew
type:  -> behavior

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