bpo-28450: Fix and improve the documentation for unknown escapes in RE. by serhiy-storchaka · Pull Request #11920 · python/cpython

@serhiy-storchaka

serhiy-storchaka added a commit to serhiy-storchaka/cpython that referenced this pull request

Feb 25, 2019
…s in RE. (pythonGH-11920).

(cherry picked from commit a180b00)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>