From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: when nothing happens, buffer still marked as modified Date: Wed, 05 Dec 2018 08:23:24 +0100 Organization: Aioe.org NNTP Server Message-ID: <86a7lkxwr7.fsf@zoho.eu> References: <86sgzcy9gk.fsf@zoho.eu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1543994617 25745 195.159.176.226 (5 Dec 2018 07:23:37 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 5 Dec 2018 07:23:37 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Dec 05 08:23:33 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 1gURWv-0006am-11 for geh-help-gnu-emacs@m.gmane.org; Wed, 05 Dec 2018 08:23:33 +0100 Original-Received: from localhost ([::1]:60676 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gURZ1-0007Bd-F7 for geh-help-gnu-emacs@m.gmane.org; Wed, 05 Dec 2018 02:25:43 -0500 Original-Path: usenet.stanford.edu!goblin2!goblin.stu.neva.ru!aioe.org!.POSTED!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 25 Original-NNTP-Posting-Host: IYul6C8CwghWjVz/CRhiVw.user.gioia.aioe.org Original-X-Complaints-To: abuse@aioe.org X-Notice: Filtered by postfilter v. 0.8.3 Cancel-Lock: sha1:mTxrX+ofk5UuIjRe+0mFJUVBtE4= Mail-Copies-To: never Original-Xref: usenet.stanford.edu gnu.emacs.help:224725 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:118854 Archived-At: Eli Zaretskii wrote: >> From: Emanuel Berg Date: >> Wed, 05 Dec 2018 03:48:59 +0100 >> >> Only one thing is missing what I can see, and >> that is, when nothing happens (i e the piece >> of text is already in the desired shape), the >> buffer is still marked as modified (the >> `**')! >> >> What is the correct way to prevent that? > > Use with-silent-modifications, or just manually > mark the buffer unmodified using > set-buffer-modified-p, when the function is > about to return. But how do I determine if the buffer has changed or not? If it has, of course it should be marked `**'! -- underground experts united http://user.it.uu.se/~embe8573