From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: redisplay - very long lines Date: Tue, 17 Feb 2009 06:16:38 +0200 Message-ID: References: <3FEE1ADD-7471-4EA4-AE55-9175C9218B6E@gmail.com> <4AC07B50-75B6-4A68-9E01-A228BA64BDAE@gmail.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1234844317 14243 80.91.229.12 (17 Feb 2009 04:18:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 17 Feb 2009 04:18:37 +0000 (UTC) Cc: emacs-devel@gnu.org To: David Reitter Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Feb 17 05:19:53 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LZHR0-0002y5-Jq for ged-emacs-devel@m.gmane.org; Tue, 17 Feb 2009 05:19:50 +0100 Original-Received: from localhost ([127.0.0.1]:58645 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LZHPg-00080r-IH for ged-emacs-devel@m.gmane.org; Mon, 16 Feb 2009 23:18:28 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LZHPa-00080U-SJ for emacs-devel@gnu.org; Mon, 16 Feb 2009 23:18:22 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LZHPa-00080I-9U for emacs-devel@gnu.org; Mon, 16 Feb 2009 23:18:22 -0500 Original-Received: from [199.232.76.173] (port=37340 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LZHPa-00080F-3r for emacs-devel@gnu.org; Mon, 16 Feb 2009 23:18:22 -0500 Original-Received: from mtaout1.012.net.il ([84.95.2.1]:32824) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LZHPZ-0002MF-KN for emacs-devel@gnu.org; Mon, 16 Feb 2009 23:18:21 -0500 Original-Received: from conversion-daemon.i-mtaout1.012.net.il by i-mtaout1.012.net.il (HyperSendmail v2007.08) id <0KF600D00ZEY3200@i-mtaout1.012.net.il> for emacs-devel@gnu.org; Tue, 17 Feb 2009 06:17:03 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([84.228.82.14]) by i-mtaout1.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0KF600GI2ZWEY900@i-mtaout1.012.net.il>; Tue, 17 Feb 2009 06:17:03 +0200 (IST) In-reply-to: <4AC07B50-75B6-4A68-9E01-A228BA64BDAE@gmail.com> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by monty-python.gnu.org: Solaris 9.1 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:109120 Archived-At: > Cc: emacs-devel@gnu.org > From: David Reitter > Date: Mon, 16 Feb 2009 18:02:57 -0500 > > > If we can tolerate an incorrect display, maybe. The invisible part of > > the line could in principle include characters and faces whose > > presence may have global effects on the rest of the displayed portion, > > such as faces that use larger fonts, to say nothing of inline images. > > > Are such consequences wanted even if the line continues beyond the > window vertically (i.e. truncate-lines == nil || word-wrap != nil)? Sorry, I don't understand: which consequences? I think we want a correct display under all supported varieties of display-related settings. > I could equally see the argument for displaying as many lines as > possible and only increasing line heights when the user scrolls > horizontally and the glyph is made visible. That'd be horrible, I think: display jumping back and forth as point moves horizontally. > If this redisplay issue is all that hinders users from editing such > files (e.g., XML without newlines), fixing it would be a good idea > IMHO. I agree. If someone volunteers to remove this limitation or make it less painful, they'll have my support. But I don't think leaving the display in so blatantly incorrect state is a way to do it.