From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B Date: Sun, 03 Feb 2013 21:45:29 +0200 Message-ID: <83wqup9o6e.fsf@gnu.org> References: <50EE7BE5.2060806@gmx.at> <83hamohmtj.fsf@gnu.org> <510EB31B.1070809@gmx.at> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE X-Trace: ger.gmane.org 1359920764 28908 80.91.229.3 (3 Feb 2013 19:46:04 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 3 Feb 2013 19:46:04 +0000 (UTC) Cc: 13399@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Feb 03 20:46:25 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1U25WC-0005L3-Md for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 03 Feb 2013 19:47:01 +0000 Original-Received: (at 13399) by debbugs.gnu.org; 3 Feb 2013 19:46:30 +0000 Original-Received: from localhost ([127.0.0.1]:34576 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1U25WH-00015A-US for submit@debbugs.gnu.org; Sun, 03 Feb 2013 14:46:30 -0500 Original-Received: from mtaout23.012.net.il ([80.179.55.175]:40037) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1U25WE-000150-To for 13399@debbugs.gnu.org; Sun, 03 Feb 2013 14:46:28 -0500 Original-Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0MHN00L00THVC000@a-mtaout23.012.net.il> for 13399@debbugs.gnu.org; Sun, 03 Feb 2013 21:45:25 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MHN00LG0TJN2IB0@a-mtaout23.012.net.il>; Sun, 03 Feb 2013 21:45:25 +0200 (IST) In-reply-to: <510EB31B.1070809@gmx.at> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:70656 Archived-At: > Date: Sun, 03 Feb 2013 19:57:31 +0100 > From: martin rudalics > CC: 13399@debbugs.gnu.org >=20 > I now rewrote IT_DISPLAYING_WHITESPACE as >=20 > #define IT_DISPLAYING_WHITESPACE(it)=09=09=09=09=09\ > ((it->what =3D=3D IT_CHARACTER=09=09=09=09=09=09\ > && !NILP (CHAR_TABLE_REF (Vword_wrap_chars, it->c)))=09=09\ > || ((STRINGP (it->string)=09=09=09=09=09=09\ > =09&& !NILP (CHAR_TABLE_REF=09=09=09=09=09\ > =09=09 (Vword_wrap_chars,=09=09=09=09=09\ > =09=09 SREF (it->string, IT_STRING_BYTEPOS (*it)))))=09\ > || (it->s && !NILP (CHAR_TABLE_REF=09=09=09=09\ > =09=09=09 (Vword_wrap_chars,=09=09=09=09\ > =09=09=09 it->s[IT_BYTEPOS (*it)])))=09=09\ > || (IT_BYTEPOS (*it) < ZV_BYTE=09=09=09=09=09\ > =09 && !NILP (CHAR_TABLE_REF=09=09=09=09=09\ > =09=09 (Vword_wrap_chars,=09=09=09=09\ > =09=09=09 (*BYTE_POS_ADDR (IT_BYTEPOS (*it))))))))=09\ >=20 >=20 > and have a character table called `word-wrap-chars' such that > (aref word-wrap-chars ?=E2=80=8B) returns t, but it doesn't wrap at= a > U-200B character. Is there some additional wrinkle like some > hardcoded space/tab in the word-wrap code I have to observe? > Or is my code wrong? Does CHAR_TABLE_REF return the right value? Also, the code is wrong here: SREF (it->string, IT_STRING_BYTEPOS (*it)) and here: it->s[IT_BYTEPOS (*it)] and here: *BYTE_POS_ADDR (IT_BYTEPOS (*it)) in that that it assumes the character is always one byte, which is clearly wrong with non-ASCII characters. You should instead use FETCH_CHAR and STRING_CHAR.