[docs] [issue38294] Documentation on 3.6->3.7 re.escape no longer escaping "/" or ":" should be obvious

Change by miss-islington <mariatta.wijaya+miss-islington@gmail.com>: ---------- pull_requests: +16212 pull_request: https://github.com/python/cpython/pull/16626 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue38294> _______________________________________