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#57693: 29.0.50; Is there a more reliable version of `char-displayable-p'? Date: Sat, 10 Sep 2022 09:24:51 +0300 Message-ID: <83czc3bvbg.fsf@gnu.org> References: <87v8pw1xyo.fsf@localhost> <83a678d5w6.fsf@gnu.org> <878rmr25tk.fsf@localhost> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2275"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 57693@debbugs.gnu.org To: Ihor Radchenko Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Sep 10 08:26:38 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 1oWtwr-0000Up-Py for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 10 Sep 2022 08:26:38 +0200 Original-Received: from localhost ([::1]:57322 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oWtwq-0002zx-IH for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 10 Sep 2022 02:26:36 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60974) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oWtwI-0002z6-Pk for bug-gnu-emacs@gnu.org; Sat, 10 Sep 2022 02:26:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47691) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oWtwI-00051c-HI for bug-gnu-emacs@gnu.org; Sat, 10 Sep 2022 02:26:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oWtwI-00074A-9Z for bug-gnu-emacs@gnu.org; Sat, 10 Sep 2022 02:26:02 -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, 10 Sep 2022 06:26:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57693 X-GNU-PR-Package: emacs Original-Received: via spool by 57693-submit@debbugs.gnu.org id=B57693.166279113227126 (code B ref 57693); Sat, 10 Sep 2022 06:26:02 +0000 Original-Received: (at 57693) by debbugs.gnu.org; 10 Sep 2022 06:25:32 +0000 Original-Received: from localhost ([127.0.0.1]:36390 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oWtvn-00073S-VB for submit@debbugs.gnu.org; Sat, 10 Sep 2022 02:25:32 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49468) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oWtvZ-00072x-J5 for 57693@debbugs.gnu.org; Sat, 10 Sep 2022 02:25:30 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46478) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oWtvU-0004u6-C7; Sat, 10 Sep 2022 02:25:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=Q49tCU9kUOsOYY0mLudCJ7os9bVUr2ZI8eX8qAn8MD8=; b=lpM3l09KKhhk plkOD+4FU9cZt66UXpuzbhKtxrSsqc93T+PEw+5ZbwRXfgwJllrrEW7sRJ6mAsMfAdOoGQrlQfSOC 9AmLmPmZ6GHtE6eIj6YHbPQbcPy/oLPT2QKOHgM5aUwCMvfvRRQ7nLyv9nkvjxj3scrFzTTEG50Tu mkILfe5DyzaNJxCHqeuVDUcnk24vdWeo5EYE8F/AA5fI/S+zkqGDppuQRPnhbC7dwsP0xx5GLtpBj QeYHEzjiFftZGR1vlC3o+f8scfTswO4k7ed/asQWQTE3564nm/+59XiIc0Eavj66LSPMDBXLDmcK5 GXd3gRNmIEd1rMtxSKBPiA==; Original-Received: from [87.69.77.57] (port=3076 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 1oWtvT-0007Qx-0w; Sat, 10 Sep 2022 02:25:12 -0400 In-Reply-To: <878rmr25tk.fsf@localhost> (message from Ihor Radchenko on Sat, 10 Sep 2022 12:48:07 +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:242076 Archived-At: > From: Ihor Radchenko > Cc: 57693@debbugs.gnu.org > Date: Sat, 10 Sep 2022 12:48:07 +0800 > > At least, individual buffers may have buffer-local > face-remapping-alist that may completely change the display. Is this what happened in the case of that user where char-displayable-p failed to detect that the character cannot be displayed? > However, it is not very clear for me how to determine programmatically if > given character is displayable in buffer. Make the char-displayable-p test at run time, I guess, i.e. when you are actually about to insert it.