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: when nothing happens, buffer still marked as modified Date: Wed, 05 Dec 2018 03:48:59 +0100 Organization: Aioe.org NNTP Server Message-ID: <86sgzcy9gk.fsf@zoho.eu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1543978137 22650 195.159.176.226 (5 Dec 2018 02:48:57 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 5 Dec 2018 02:48:57 +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 03:48:53 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 1gUNF5-0005jS-6G for geh-help-gnu-emacs@m.gmane.org; Wed, 05 Dec 2018 03:48:51 +0100 Original-Received: from localhost ([::1]:59800 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUNHB-0000Ol-Bk for geh-help-gnu-emacs@m.gmane.org; Tue, 04 Dec 2018 21:51:01 -0500 Original-Path: usenet.stanford.edu!goblin3!goblin.stu.neva.ru!news.neodome.net!news.uzoreto.com!aioe.org!.POSTED!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 39 Original-NNTP-Posting-Host: IYul6C8CwghWjVz/CRhiVw.user.gioia.aioe.org Original-X-Complaints-To: abuse@aioe.org Mail-Copies-To: never X-Notice: Filtered by postfilter v. 0.8.3 Cancel-Lock: sha1:DyGfN5mIuvYJ6tNGKymUfj0D/R8= Original-Xref: usenet.stanford.edu gnu.emacs.help:224721 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:118851 Archived-At: Here [1] is a function I once wrote. My mind isn't what it was back then, but testing it with the different options (the `C-u' combos) I understand it from a user's perspective and it seems to do what it says. 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? (defun fill-down (start end &optional justify) "Fill the current paragraph from the current line down.\n With mark active, act upon the region instead.\n With \\[universal-argument] before invocation, JUSTIFY fully. With \\[universal-argument] twice, remove full justification. (Or just fill it!) With \\[universal-argument] thrice, center." (interactive (if (use-region-p) (list (region-beginning) (region-end) current-prefix-arg) (list (line-beginning-position) (save-excursion (forward-paragraph) (point)) current-prefix-arg))) (if (equal justify '(16)) ; C-u C-u -> unjustify (canonically-space-region start end) (fill-region start end (pcase justify (`(4) 'full) ; C-u -> justify (`(64) 'center) )))) ; C-u C-u C-u -> center ;; no C-u -> none (i e just fill) [1] http://user.it.uu.se/~embe8573/emacs-init/fill-new.el -- underground experts united http://user.it.uu.se/~embe8573