From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Antipov Newsgroups: gmane.emacs.bugs Subject: bug#13623: 24.3.50; Redisplay issue with transient-mark-mode Date: Wed, 06 Feb 2013 11:16:48 +0400 Message-ID: <51120360.4060104@yandex.ru> References: <877gmp5a04.fsf@ed.ac.uk> <83vca89izh.fsf@gnu.org> <5110906D.7020406@yandex.ru> <83fw1aac3d.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1360146765 24383 80.91.229.3 (6 Feb 2013 10:32:45 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 6 Feb 2013 10:32:45 +0000 (UTC) Cc: wence@gmx.li, 13623@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Feb 06 11:33:03 2013 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 1U32JL-0004cY-75 for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 6 Feb 2013 11:16:49 +0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1360135009; bh=2WFhh9h3dfTH2ryt/H5+d+U8TjQ+y5Vdn5rcQcCEDII=; h=Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject: References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=qavoTGHgtpBa/+WzM0bjdbjFgNhxcOHL6NQhjJsSJcHFR/ge/BAvEkmhvtuJPeyMU wXmw5LxBGPMdvkiAMiQl+d41WWSBj6L6B96CXjBoUpJno2gEahmCMm9mA7MAFdZv4n QMZRwhckvb0vEoTGyQi5EPOpu7Ci+QJe1nWKt0K8= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 In-Reply-To: <83fw1aac3d.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 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:70735 Archived-At: On 02/05/2013 09:45 PM, Eli Zaretskii wrote: > As long as we don't restrict the 'region' face to a very small subset > of possible face customizations (e.g., just the background and the > foreground colors), and ignore the other attributes, an arbitrary face > change on one line might potentially affect many more lines in the > window. E.g., try customizing the 'region' face to twice its normal > height. This looks terribly ugly, but works (at least, I don't see any glitches while performing basic operations with the region). > And I'm not sure this is worth optimizing anyway: region changes are > relatively rare and almost always driven by user input, so I don't > think redisplay will become significantly faster as result of any > optimizations in this area. I have a strong suspicion that this also applies to ~50% of xdisp.c unless you're on 2400bps tty or remote X connection via 33600bps modem. Dmitry