From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Keith David Bershatsky Newsgroups: gmane.emacs.bugs Subject: bug#25992: perform-replace leaves mark-active when not transient-mark-mode Date: Mon, 06 Mar 2017 21:55:47 -0800 Message-ID: References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Trace: blaine.gmane.org 1488866174 8344 195.159.176.226 (7 Mar 2017 05:56:14 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 7 Mar 2017 05:56:14 +0000 (UTC) Cc: 25992@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Mar 07 06:56:10 2017 Return-path: Envelope-to: geb-bug-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 1cl86Q-0001Vl-Aa for geb-bug-gnu-emacs@m.gmane.org; Tue, 07 Mar 2017 06:56:06 +0100 Original-Received: from localhost ([::1]:47677 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cl86W-0007jB-FO for geb-bug-gnu-emacs@m.gmane.org; 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Keith ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DATE: Mon, 06 Mar 2017 20:45:32 +0200 FROM: Eli Zaretskii > > transient-mark-mode > > > Date: Mon, 06 Mar 2017 09:06:56 -0800 > > From: Keith David Bershatsky > > Cc: 25992@debbugs.gnu.org > > > > In a custom test to determine whether the region is active, I had been testing mark-active prior to using (region-beginning) and/or (region-end) to avoid trowing an error "The mark is not set now, so there is no region". When the following is true `(and mark-active (= (region-beginning) (region-end)))`, my custom function should return nil. > > Why can't you just check whether the function 'mark' returns nil?