From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#50660: 28.0.50; Text artifacting when the cursor moves over text under mouse face that originally displayed a box Date: Fri, 24 Sep 2021 09:47:05 +0300 Message-ID: <83h7eatqqe.fsf@gnu.org> References: <87czp6ysw7.fsf.ref@yahoo.com> <87czp6ysw7.fsf@yahoo.com> <87y27uro4c.fsf@gnus.org> <877dfdz9ni.fsf@yahoo.com> <831r5l5d6d.fsf@gnu.org> <87h7egy8jo.fsf@yahoo.com> <838rzs4i09.fsf@gnu.org> <87fsu06oxi.fsf@yahoo.com> <83ee9j3ju3.fsf@gnu.org> <834kaf3ets.fsf@gnu.org> <8335pz3dli.fsf@gnu.org> <87r1dj4q4m.fsf@yahoo.com> <83zgs71su7.fsf@gnu.org> <87k0jb4k5l.fsf@yahoo.com> <83sfxz1pw0.fsf@gnu.org> <87o88m14g0.fsf@yahoo.com> <83sfxyxeer.fsf@gnu.org> <87h7ee1252.fsf@yahoo.com> <83pmt2xcox.fsf@gnu.org> <87lf3myhlb.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25828"; mail-complaints-to="usenet@ciao.gmane.io" Cc: larsi@gnus.org, 50660@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Sep 24 09:11:13 2021 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 1mTfMW-0006Tw-Mr for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 24 Sep 2021 09:11:12 +0200 Original-Received: from localhost ([::1]:54660 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTfMV-0003Fz-Id for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 24 Sep 2021 03:11:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33088) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTf0A-0006k2-3i for bug-gnu-emacs@gnu.org; Fri, 24 Sep 2021 02:48:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44981) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mTf06-0001zE-Ai for bug-gnu-emacs@gnu.org; Fri, 24 Sep 2021 02:48:05 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mTf06-0001N3-3f for bug-gnu-emacs@gnu.org; Fri, 24 Sep 2021 02:48:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 24 Sep 2021 06:48:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50660 X-GNU-PR-Package: emacs Original-Received: via spool by 50660-submit@debbugs.gnu.org id=B50660.16324660375087 (code B ref 50660); Fri, 24 Sep 2021 06:48:02 +0000 Original-Received: (at 50660) by debbugs.gnu.org; 24 Sep 2021 06:47:17 +0000 Original-Received: from localhost ([127.0.0.1]:56527 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mTezN-0001Jx-LS for submit@debbugs.gnu.org; Fri, 24 Sep 2021 02:47:17 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:44086) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mTezL-0001Jh-Fr for 50660@debbugs.gnu.org; Fri, 24 Sep 2021 02:47:16 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:45452) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTezF-00017q-Uh; Fri, 24 Sep 2021 02:47:10 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3649 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTezF-0008V9-2R; Fri, 24 Sep 2021 02:47:09 -0400 In-Reply-To: <87lf3myhlb.fsf@yahoo.com> (message from Po Lu on Fri, 24 Sep 2021 07:53:20 +0800) 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:215265 Archived-At: > From: Po Lu > Cc: larsi@gnus.org, 50660@debbugs.gnu.org > Date: Fri, 24 Sep 2021 07:53:20 +0800 > > If the mouse face's box is set to something preposterous, like (:box > 10000), the entire row is occluded by the box, and doesn't become > visible again when canceling mouse face. Only redraw-display makes the > problem go away. Emacs gives enough rope for Lisp programmers to hang themselves. When they try doing that, our only job is not to crash. IOW, producing preposterous display results for preposterous settings is justified; we don't need to go out of our way to cater to ridiculous parameter values like the one above, we only need to avoid crashing.