From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: read-char bug Date: Sat, 20 Oct 2018 09:31:54 +0300 Message-ID: <83o9bpuo11.fsf@gnu.org> References: <4e4d0d10-7f2b-49dc-b17c-279b23402b16@googlegroups.com> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1540017057 15780 195.159.176.226 (20 Oct 2018 06:30:57 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 20 Oct 2018 06:30:57 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Oct 20 08:30:53 2018 Return-path: Envelope-to: geh-help-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 1gDkmj-00041g-04 for geh-help-gnu-emacs@m.gmane.org; Sat, 20 Oct 2018 08:30:53 +0200 Original-Received: from localhost ([::1]:53874 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDkop-0007wS-CA for geh-help-gnu-emacs@m.gmane.org; Sat, 20 Oct 2018 02:33:03 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33404) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDkoF-0007pl-0K for help-gnu-emacs@gnu.org; Sat, 20 Oct 2018 02:32:31 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDko2-0003y8-A0 for help-gnu-emacs@gnu.org; Sat, 20 Oct 2018 02:32:21 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:34832) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDko2-0003y2-5w for help-gnu-emacs@gnu.org; Sat, 20 Oct 2018 02:32:14 -0400 Original-Received: from [176.228.60.248] (port=2975 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gDko1-0002qw-Oj for help-gnu-emacs@gnu.org; Sat, 20 Oct 2018 02:32:14 -0400 In-reply-to: <4e4d0d10-7f2b-49dc-b17c-279b23402b16@googlegroups.com> (message from Davin Pearson on Fri, 19 Oct 2018 18:30:38 -0700 (PDT)) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:118359 Archived-At: > Date: Fri, 19 Oct 2018 18:30:38 -0700 (PDT) > From: Davin Pearson > > When I run the following code and then press the left mouse button and it goes into an infinite loop. I have also tried the alternative to read-char, methinks it is something like read-char-exclusive and that fails too. > > (let (done ch) > (setq done nil) > (when (not done) > (condition-case err > (setq ch (read-char "Enter y, n, ! or q"))' > (error > (message "Wrong char"))) > )) > ch) The above has syntax errors, so it's hard to know what you actually run. If I clean it up as best as I understand, then I cannot reproduce this in Emacs 26.1, so lease also tell what version of Emacs are you using.