From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: YAMAMOTO Mitsuharu Newsgroups: gmane.emacs.bugs Subject: bug#26742: Display bug with composed strings Date: Thu, 04 May 2017 14:39:16 +0900 Organization: Faculty of Science, Chiba University Message-ID: References: <87fuglq3ub.fsf@linux-m68k.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII X-Trace: blaine.gmane.org 1493876415 24111 195.159.176.226 (4 May 2017 05:40:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 4 May 2017 05:40:15 +0000 (UTC) User-Agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (=?UTF-8?Q?Shij=C5=8D?=) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) Cc: =?UTF-8?Q?Cl=C3=A9ment?= Pit--Claudel , 26742@debbugs.gnu.org To: Andreas Schwab Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu May 04 07:40:09 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d69Ul-00067S-1r for geb-bug-gnu-emacs@m.gmane.org; Thu, 04 May 2017 07:40:07 +0200 Original-Received: from localhost ([::1]:39797 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d69Uq-0002p1-7n for geb-bug-gnu-emacs@m.gmane.org; Thu, 04 May 2017 01:40:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45436) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d69Uk-0002nQ-OX for bug-gnu-emacs@gnu.org; Thu, 04 May 2017 01:40:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d69Ug-0007v9-Bn for bug-gnu-emacs@gnu.org; Thu, 04 May 2017 01:40:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:55261) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1d69Ug-0007v2-86 for bug-gnu-emacs@gnu.org; Thu, 04 May 2017 01:40:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1d69Ug-000221-1w for bug-gnu-emacs@gnu.org; Thu, 04 May 2017 01:40:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: YAMAMOTO Mitsuharu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 04 May 2017 05:40:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26742 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 26742-submit@debbugs.gnu.org id=B26742.14938763637755 (code B ref 26742); Thu, 04 May 2017 05:40:02 +0000 Original-Received: (at 26742) by debbugs.gnu.org; 4 May 2017 05:39:23 +0000 Original-Received: from localhost ([127.0.0.1]:53459 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d69U1-00020z-O5 for submit@debbugs.gnu.org; Thu, 04 May 2017 01:39:23 -0400 Original-Received: from mathmail.math.s.chiba-u.ac.jp ([133.82.132.2]:62544) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d69Tz-00020p-CR for 26742@debbugs.gnu.org; Thu, 04 May 2017 01:39:20 -0400 Original-Received: from fermat1.math.s.chiba-u.ac.jp (fermat [192.168.32.10]) by mathmail.math.s.chiba-u.ac.jp (Postfix) with ESMTP id 8827BF08F8; Thu, 4 May 2017 14:39:16 +0900 (JST) (envelope-from mituharu@math.s.chiba-u.ac.jp) In-Reply-To: <87fuglq3ub.fsf@linux-m68k.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:132241 Archived-At: >>>>> On Wed, 03 May 2017 18:53:32 +0200, Andreas Schwab said: >> On the Mac port, the filled box cursor disappears if I move it on >> the composite characters. The patch below seems to work for this >> bug. Could you try if it also solves the problems you observe? > That fixes the disappearing box cursor, but doesn't fix the ghost > character. Then could you try the patch below, together with the previous one? I downloaded some fonts (Ubuntu Mono, Latin Modern Math, and XITS Math) and installed them, but I couldn't reproduce the problem on X11 for macOS. YAMAMOTO Mitsuharu mituharu@math.s.chiba-u.ac.jp diff --git a/src/xdisp.c b/src/xdisp.c index e3315c4..ed88f4c 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -24711,7 +24725,8 @@ compute_overhangs_and_x (struct glyph_string *s, int x, int backward_p) { if (FRAME_RIF (s->f)->compute_glyph_string_overhangs) FRAME_RIF (s->f)->compute_glyph_string_overhangs (s); - x -= s->width; + if (!s->cmp || s->cmp_to == s->cmp->glyph_len) + x -= s->width; s->x = x; s = s->prev; } @@ -24723,7 +24738,8 @@ compute_overhangs_and_x (struct glyph_string *s, int x, int backward_p) if (FRAME_RIF (s->f)->compute_glyph_string_overhangs) FRAME_RIF (s->f)->compute_glyph_string_overhangs (s); s->x = x; - x += s->width; + if (!s->cmp || s->cmp_from == 0) + x += s->width; s = s->next; } }