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[Bug c++/49973] Column numbers count special characters as multiple columns
- From: "manu at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 4 Aug 2011 15:19:40 +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
Manuel LÃpez-IbÃÃez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.08.04 15:18:20
Ever Confirmed|0 |1
--- Comment #7 from Manuel LÃpez-IbÃÃez <manu at gcc dot gnu.org> 2011-08-04 15:18:20 UTC ---
(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.