From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: DWIM region Date: Mon, 08 Jan 2018 09:17:15 -0500 Message-ID: References: <86shbmcldx.fsf@zoho.com> <86d12pcvgj.fsf@zoho.com> <86d12pb988.fsf_-_@zoho.com> <864lo1b4rh.fsf@zoho.com> <86h8s08262.fsf@zoho.com> <86zi5r7mnw.fsf@zoho.com> <86k1wuws6g.fsf@zoho.com> <86r2r2uzpu.fsf@zoho.com> <86mv1quz80.fsf@zoho.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1515420992 6149 195.159.176.226 (8 Jan 2018 14:16:32 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 8 Jan 2018 14:16:32 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Jan 08 15:16:28 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 1eYYDu-0000sQ-0e for geh-help-gnu-emacs@m.gmane.org; Mon, 08 Jan 2018 15:16:22 +0100 Original-Received: from localhost ([::1]:36971 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eYYFt-0005Y7-A5 for geh-help-gnu-emacs@m.gmane.org; Mon, 08 Jan 2018 09:18:25 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56703) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eYYF3-0005WL-AF for help-gnu-emacs@gnu.org; Mon, 08 Jan 2018 09:17:35 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eYYEz-0007jU-QS for help-gnu-emacs@gnu.org; Mon, 08 Jan 2018 09:17:33 -0500 Original-Received: from [195.159.176.226] (port=35664 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eYYEz-0007io-JY for help-gnu-emacs@gnu.org; Mon, 08 Jan 2018 09:17:29 -0500 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1eYYCv-0005cH-1M for help-gnu-emacs@gnu.org; Mon, 08 Jan 2018 15:15:21 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 28 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:Mhio8Pag5cJGT7xNQXJ65FBRoXc= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 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:115617 Archived-At: > If there is no interactive string, does that > mean one has to check manually in the > interactive form for a/the prefix argument? "P" just sends `current-prefix-arg` as argument. (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))) ;; C-u C-u -> unjustify (if (equal justify '(16)) (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 -- Stefan