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: Thu, 10 Jan 2013 21:15:04 +0200 Message-ID: <83hamohmtj.fsf@gnu.org> References: <50EE7BE5.2060806@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 1357855648 30588 80.91.229.3 (10 Jan 2013 22:07:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 10 Jan 2013 22:07:28 +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 Thu Jan 10 23:07:44 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 1TtQHj-0008A4-4v for geb-bug-gnu-emacs@m.gmane.org; Thu, 10 Jan 2013 23:07:39 +0100 Original-Received: from localhost ([::1]:34865 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TtQHT-0003im-8j for geb-bug-gnu-emacs@m.gmane.org; Thu, 10 Jan 2013 17:07:23 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:43725) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TtQHP-0003hh-Ab for bug-gnu-emacs@gnu.org; Thu, 10 Jan 2013 17:07:21 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TtQHM-0006hE-4Q for bug-gnu-emacs@gnu.org; Thu, 10 Jan 2013 17:07:19 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:48987) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TtNad-00050X-UM for bug-gnu-emacs@gnu.org; Thu, 10 Jan 2013 14:14:59 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TtNag-0001Jc-AW for bug-gnu-emacs@gnu.org; Thu, 10 Jan 2013 14:15:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 10 Jan 2013 19:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13399 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13399-submit@debbugs.gnu.org id=B13399.13578452975030 (code B ref 13399); Thu, 10 Jan 2013 19:15:02 +0000 Original-Received: (at 13399) by debbugs.gnu.org; 10 Jan 2013 19:14:57 +0000 Original-Received: from localhost ([127.0.0.1]:54451 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TtNaa-0001J4-NZ for submit@debbugs.gnu.org; Thu, 10 Jan 2013 14:14:57 -0500 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:34231) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TtNaZ-0001Iq-2L for 13399@debbugs.gnu.org; Thu, 10 Jan 2013 14:14:56 -0500 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0MGF00M00C0S2D00@a-mtaout20.012.net.il> for 13399@debbugs.gnu.org; Thu, 10 Jan 2013 21:14:46 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MGF00LLUC4LUO60@a-mtaout20.012.net.il>; Thu, 10 Jan 2013 21:14:46 +0200 (IST) In-reply-to: <50EE7BE5.2060806@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:69582 Archived-At: > Date: Thu, 10 Jan 2013 09:29:25 +0100 > From: martin rudalics >=20 > With emacs -Q evaluate >=20 > (with-current-buffer (get-buffer-create "*foo*") > (dotimes (i 1000) > (insert "1234=E2=80=8B")) ; U-200B > (setq word-wrap t) > (display-buffer "*foo*")) >=20 > where the character after 1234 is a zero-width space character with > unicode code point U-200B. As can be seen in the window showing *f= oo*, > lines are not regularly wrapped at that character. You mean, not wrapped at all. Witness the continuation bitmaps in th= e fringes, which shouldn't appear when a line is wrapped. > Doing >=20 > (with-current-buffer (get-buffer-create "*foo*") > (dotimes (i 1000) > (insert "1234 ")) > (setq word-wrap t) > (display-buffer "*foo*")) >=20 > instead wraps lines as expected. If anything, this is a missing feature, since word-wrap is explicitly coded to break lines only on SPC and TAB characters. See the IT_DISPLAYING_WHITESPACE macro in xdisp.c. If we want to add more characters to the set, we should probably arrange a special char-table for this, and have it exposed to Lisp, s= o it could be customized. Patches are welcome.