From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#13949: 24.4.1; `fill-paragraph' should not always put the buffer as modified Date: Sun, 27 Mar 2016 23:27:40 +0300 Message-ID: <18327194-f403-d5d6-7bc6-8a0c4ede4d2a@yandex.ru> References: <56F12360.5030301@ro.ru> <83y49a4hga.fsf@gnu.org> <56F1837D.4060300@ro.ru> <83io0e4b5r.fsf@gnu.org> <56F19203.5040501@ro.ru> <87a8lkd2bc.fsf@wanadoo.es> <9d1fed3c-fdcb-dfe3-e04d-47680d3e0531@yandex.ru> <83927858-0341-096f-b7e2-1322489efda8@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1459110503 21692 80.91.229.3 (27 Mar 2016 20:28:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 27 Mar 2016 20:28:23 +0000 (UTC) Cc: =?UTF-8?Q?=C3=93scar?= Fuentes , John Wiegley , Jaakov , 13949@debbugs.gnu.org To: Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Mar 27 22:28:11 2016 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 1akHIA-0000KV-QJ for geb-bug-gnu-emacs@m.gmane.org; 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Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:115607 Archived-At: On 03/27/2016 06:50 PM, Lars Magne Ingebrigtsen wrote: > Comparison is fast, but making a copy of a buffer (or its contents) > isn't. (If the buffer is large, that is.) If you've loaded a 2GB file > and hit `M-q' on a line, it would be rather awkward if that made Emacs > allocate an additional 2GB of data. Compare the "current paragraph", then (its bounds can be saved at the beginning of the fill-paragraph). Or track the affected area via before-change-functions. buffer-undo-list should also have the necessary information.