[Python-checkins] CVS: python/dist/src/Misc NEWS,1.306,1.307

[Tim Peters]

Update of /cvsroot/python/python/dist/src/Misc
In directory usw-pr-cvs1:/tmp/cvs-serv27485/python/Misc

Modified Files:
	NEWS 
Log Message:
Improved error msg when a symbolic group name is redefined.  Added docs
and NEWS.  Bugfix candidate?  That's a dilemma for Anthony <wink>:  /F
did fix a longstanding bug here, but the fix can cause code to raise an
exception that previously worked by accident.


Index: NEWS
===================================================================
RCS file: /cvsroot/python/python/dist/src/Misc/NEWS,v
retrieving revision 1.306
retrieving revision 1.307
diff -C2 -d -r1.306 -r1.307
*** NEWS	2001/11/02 23:48:20	1.306
--- NEWS	2001/11/03 19:35:43	1.307
***************
*** 47,50 ****
--- 47,56 ----
  Library
  
+ - Symbolic group names in regular expressions must be unique.  For
+   example, the regexp r'(?P<abc>)(?P<abc>)' is not allowed, because a
+   single name can't mean both "group 1" and "group 2" simultaneously.
+   Python 2.2 detects this error at regexp compilation time; previously,
+   the error went undetected, and results were unpredictable.
+ 
  - Tix exposes more commands through the classes DirSelectBox,
    DirSelectDialog, ListNoteBook, Meter, CheckList, and the