From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Artur Malabarba Newsgroups: gmane.emacs.bugs Subject: bug#21747: 25.0.50; while-no-input breaks kbd event handling when called from post-command-hook Date: Mon, 26 Oct 2015 00:27:22 +0000 Message-ID: References: <87bnboemqb.fsf@gnu.org> <838u6sy9s1.fsf@gnu.org> <877fmcejgn.fsf@gnu.org> <83ziz8wrun.fsf@gnu.org> <8737x0egvm.fsf@gnu.org> <83vb9wwnc6.fsf@gnu.org> <83lhaqdbq8.fsf@gnu.org> Reply-To: bruce.connor.am@gmail.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1445819307 27087 80.91.229.3 (26 Oct 2015 00:28:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 26 Oct 2015 00:28:27 +0000 (UTC) Cc: 21747@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 26 01:28:12 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZqVdy-0000hC-Md for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 25 Oct 2015 17:27:23 -0700 (PDT) Original-Received: by 10.112.91.106 with HTTP; Sun, 25 Oct 2015 17:27:22 -0700 (PDT) In-Reply-To: <83lhaqdbq8.fsf@gnu.org> X-Google-Sender-Auth: 8FfZgZ4ZH70Rlzl1qDCcKbYx0Ic X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:108032 Archived-At: 2015-10-25 18:50 GMT+00:00 Eli Zaretskii : >> Date: Sun, 25 Oct 2015 14:43:06 +0000 >> From: Artur Malabarba >> Cc: Tassilo Horn , Stefan Monnier , Kim Storm , >> 21747@debbugs.gnu.org >> >> I've extended the docstring. > > Thanks. > >> +otherwise the error might happen repeatedly and make Emacs nonfunctional. >> + >> +It is usually a bad idea to use this hook for expensive processing. >> +If unavoidable, `while-no-input' can be used avoid making Emacs > ^^^ > "to" is missing where indicated. > >> +unresponsive while the user types. Furthermore, this hook is run >> +before redisplay, so the effect of the executed command won't be >> +displayed on the buffer until after the hook has finished (giving the >> +impression that Emacs is hanging). You can call `redisplay' inside >> +`while-no-input' to avoid this. > > Perhaps only the 1st sentence or 2 sentences should be left in the doc > string, and the rest moved to the ELisp manual? It seems too long and > detailed for a doc string. How about reducing the second paragraph to this? Still to long? It is a bad idea to use this hook for expensive processing. If unavoidable, wrap your code in `(while-no-input (redisplay) CODE)' to avoid making Emacs unresponsive while the user types.