From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#52947: 29.0.50; Newline in tab-bar-format causes lockup Date: Sun, 02 Jan 2022 20:38:31 +0200 Organization: LINKOV.NET Message-ID: <867dbi56fs.fsf@mail.linkov.net> References: <86ilv26ndp.fsf@mail.linkov.net> <83y23yc7wb.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20331"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (x86_64-pc-linux-gnu) Cc: 52947@debbugs.gnu.org, dlacewell@gmail.com To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jan 02 19:41:39 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n45nX-0005Cu-8O for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 02 Jan 2022 19:41:39 +0100 Original-Received: from localhost ([::1]:48880 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n45nV-0001rg-42 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 02 Jan 2022 13:41:37 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:55242) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n45mw-0001qz-N1 for bug-gnu-emacs@gnu.org; Sun, 02 Jan 2022 13:41:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50360) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1n45mw-0007pX-7Y for bug-gnu-emacs@gnu.org; Sun, 02 Jan 2022 13:41:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1n45mw-0007sx-0R for bug-gnu-emacs@gnu.org; Sun, 02 Jan 2022 13:41:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Juri Linkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 02 Jan 2022 18:41:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 52947 X-GNU-PR-Package: emacs Original-Received: via spool by 52947-submit@debbugs.gnu.org id=B52947.164114883030257 (code B ref 52947); Sun, 02 Jan 2022 18:41:01 +0000 Original-Received: (at 52947) by debbugs.gnu.org; 2 Jan 2022 18:40:30 +0000 Original-Received: from localhost ([127.0.0.1]:33673 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n45mP-0007rx-P4 for submit@debbugs.gnu.org; Sun, 02 Jan 2022 13:40:29 -0500 Original-Received: from relay7-d.mail.gandi.net ([217.70.183.200]:53171) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n45mO-0007rj-AS for 52947@debbugs.gnu.org; Sun, 02 Jan 2022 13:40:28 -0500 Original-Received: (Authenticated sender: juri@linkov.net) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id E41F720002; Sun, 2 Jan 2022 18:40:20 +0000 (UTC) In-Reply-To: <83y23yc7wb.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 02 Jan 2022 20:25:08 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:223560 Archived-At: > Do we want to support newlines there? what would be the purpose of > having newlines in the tabs? I don't know, menus can't have newlines too. > Also, you say "display engine", so does it mean you've found where we > infloop with these recipes? If so, can you tell the details? It gives such backtrace: (gdb) bt #0 make_lisp_symbol (sym=0x555555cfd9c0 ) at lisp.h:1002 #1 0x00005555555b9766 in builtin_lisp_symbol (index=0) at lisp.h:1008 #2 0x00005555555b9cf6 in CHAR_TABLE_REF_ASCII (ct=XIL(0x7ffff0b438dd), idx=10) at lisp.h:2031 #3 0x00005555555b9d3e in CHAR_TABLE_REF (ct=XIL(0x7ffff0b438dd), idx=10) at lisp.h:2042 #4 0x00005555555d16de in lookup_glyphless_char_display (c=10, it=0x7fffffff75d0) at xdisp.c:7410 #5 0x00005555555d1f8c in get_next_display_element (it=0x7fffffff75d0) at xdisp.c:7599 #6 0x00005555555e3133 in display_tab_bar_line (it=0x7fffffff75d0, height=-1) at xdisp.c:13389 #7 0x00005555555e3901 in tab_bar_height (f=0x5555560a2dc8, n_rows=0x5555560a2f08, pixelwise=true) at xdisp.c:13515 #8 0x00005555555e3c27 in redisplay_tab_bar (f=0x5555560a2dc8) at xdisp.c:13597