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Diffstat (limited to 'Doc/whatsnew')
| -rw-r--r-- | Doc/whatsnew/3.7.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst index a2fea50..9d63540 100644 --- a/Doc/whatsnew/3.7.rst +++ b/Doc/whatsnew/3.7.rst @@ -700,6 +700,17 @@ Changes in the Python API argument ``os.scandir`` instead of ``os.listdir`` when listing the direcory is failed. +* Support of nested sets and set operations in regular expressions as in + `Unicode Technical Standard #18`_ might be added in the future. This would + change the syntax, so to facilitate this change a :exc:`FutureWarning` will + be raised in ambiguous cases for the time being. + That include sets starting with a literal ``'['`` or containing literal + character sequences ``'--'``, ``'&&'``, ``'~~'``, and ``'||'``. To + avoid a warning escape them with a backslash. + (Contributed by Serhiy Storchaka in :issue:`30349`.) + +.. _Unicode Technical Standard #18: https://unicode.org/reports/tr18/ + Changes in the C API -------------------- |