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#20537: 25.0.50; `compose-string-internal` does not work properly on OSX. Date: Sat, 09 May 2015 21:52:57 +0300 Message-ID: <83h9rloa5y.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1431197604 30092 80.91.229.3 (9 May 2015 18:53:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 9 May 2015 18:53:24 +0000 (UTC) Cc: 20537@debbugs.gnu.org To: Keith David Bershatsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 09 20:53:11 2015 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 1Yr9s6-00076W-AW for geb-bug-gnu-emacs@m.gmane.org; Sat, 09 May 2015 20:53:10 +0200 Original-Received: from localhost ([::1]:60225 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yr9s5-0006k9-GF for geb-bug-gnu-emacs@m.gmane.org; Sat, 09 May 2015 14:53:09 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46108) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yr9s1-0006k3-Ov for bug-gnu-emacs@gnu.org; Sat, 09 May 2015 14:53:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yr9ry-0005Tt-IY for bug-gnu-emacs@gnu.org; Sat, 09 May 2015 14:53:05 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:57942) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yr9ry-0005T6-F1 for bug-gnu-emacs@gnu.org; Sat, 09 May 2015 14:53:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Yr9rx-0004Lk-Tn for bug-gnu-emacs@gnu.org; Sat, 09 May 2015 14:53:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 09 May 2015 18:53:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20537 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20537-submit@debbugs.gnu.org id=B20537.143119757116695 (code B ref 20537); Sat, 09 May 2015 18:53:01 +0000 Original-Received: (at 20537) by debbugs.gnu.org; 9 May 2015 18:52:51 +0000 Original-Received: from localhost ([127.0.0.1]:39684 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yr9rm-0004LD-Vg for submit@debbugs.gnu.org; Sat, 09 May 2015 14:52:51 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:35174) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yr9rk-0004Kw-5w for 20537@debbugs.gnu.org; Sat, 09 May 2015 14:52:49 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0NO300900J1VIG00@a-mtaout20.012.net.il> for 20537@debbugs.gnu.org; Sat, 09 May 2015 21:52:41 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NO30096RJ3SBN40@a-mtaout20.012.net.il>; Sat, 09 May 2015 21:52:41 +0300 (IDT) In-reply-to: X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.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:102622 Archived-At: > Date: Sat, 09 May 2015 11:27:15 -0700 > From: Keith David Bershatsky > > The function `compose-string-internal` does not work properly when running Emacs built on OSX. The following example works on Windows, but not OSX -- it "should be" the letter A with a pipe running through the center of the letter A. Depending upon the arguments passed to `compose-string-internal` when using Emacs on OSX, the pipe is either displayed to the right (at various distances) or is not visible at all -- it never displays "on top of" the target character. > > (defun test-fn () > (interactive) > (message (compose-string-internal "A|" 0 (length "A|")))) Character composition depends on the font driver doing TRT. Which font driver does your Emacs use, and does that driver support complex text layout?