[Python-checkins] [3.6] Added effect of re.ASCII and reworded slightly (GH-1782) (#3313)

[Gregory P. Smith]

https://github.com/python/cpython/commit/d50ce4fcc9b481b66ce594f291dec14251b16ba5
commit: d50ce4fcc9b481b66ce594f291dec14251b16ba5
branch: 3.6
author: Gregory P. Smith <greg at krypto.org>
committer: GitHub <noreply at github.com>
date: 2017-09-04T14:58:31-07:00
summary:

[3.6] Added effect of re.ASCII and reworded slightly (GH-1782) (#3313)

(cherry picked from commit c9d6dbc2900ace9564b8f67e63617be747355c6b)

files:
M Doc/library/re.rst

diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 7a51abdc983..56fc4ed2c94 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -542,9 +542,11 @@ form.
 .. data:: I
           IGNORECASE
 
-   Perform case-insensitive matching; expressions like ``[A-Z]`` will match
-   lowercase letters, too.  This is not affected by the current locale
-   and works for Unicode characters as expected.
+   Perform case-insensitive matching; expressions like ``[A-Z]`` will also
+   match lowercase letters.  The current locale does not change the effect of
+   this flag.  Full Unicode matching (such as ``Ü`` matching ``ü``) also
+   works unless the :const:`re.ASCII` flag is also used to disable non-ASCII
+   matches.
 
 
 .. data:: L