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[Bug c++/49973] Column numbers count special characters as multiple columns
- From: "timothy003 at msn dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 4 Aug 2011 19:53:00 +0000
- Subject: [Bug c++/49973] Column numbers count special characters as multiple columns
- Auto-submitted: auto-generated
- References: <bug-49973-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49973
--- Comment #8 from Timothy Liang <timothy003 at msn dot com> 2011-08-04 19:52:31 UTC ---
(In reply to comment #7)
> (In reply to comment #6)
> > The GCS says "column numbers should start from 1 at the beginning of the
> > line ... Calculate column numbers assuming that space and all ASCII
> > printing characters have equal width, and assuming tab stops every 8
> > columns.". This doesn't say how other characters should be counted,
> > although for the results of wcswidth seem appropriate.
>
> Then GCC is not using wcswidth to count or it is setting the locale
> inappropriately because it is counting 2 for à and 3 for ä, while it should be
> 1 and 2.
I'm confused. Shouldn't ä be 1?