From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#18195: 24.3.92; window-screen-lines is not accurate Date: Thu, 07 Aug 2014 18:35:21 +0300 Message-ID: <83a97gnwhy.fsf@gnu.org> References: <86tx5r7l1j.fsf@yandex.ru> <53E097F7.5050407@gmx.at> <53E0ABF9.7070506@yandex.ru> <53E0AF08.50300@gmx.at> <831tsvqc3c.fsf@gnu.org> <53E0E2E5.7050306@gmx.at> <83tx5rowop.fsf@gnu.org> <53E0E665.1000206@gmx.at> <83ppgfow0p.fsf@gnu.org> <53E0EC6C.7020504@gmx.at> <83oavzotxz.fsf@gnu.org> <53E0FC15.4060502@gmx.at> <83lhr2q0nt.fsf@gnu.org> <53E1F846.2040105@gmx.at> <83ha1pptrd.fsf@gnu.org> <53E25484.8050909@gmx.at> <83a97hpomm.fsf@gnu.org> <53E269E9.6020004@gmx.at> <83wqalo5q0.fsf@gnu.org> <53E39674.2040507@gmx.at> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1407425785 20233 80.91.229.3 (7 Aug 2014 15:36:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 7 Aug 2014 15:36:25 +0000 (UTC) Cc: 18195@debbugs.gnu.org, dgutov@yandex.ru To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Aug 07 17:36:16 2014 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 1XFPjj-00015J-Kx for geb-bug-gnu-emacs@m.gmane.org; Thu, 07 Aug 2014 17:36:15 +0200 Original-Received: from localhost ([::1]:47071 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XFPjj-0000Ex-7Z for geb-bug-gnu-emacs@m.gmane.org; Thu, 07 Aug 2014 11:36:15 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47479) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XFPjb-0000Ep-Qf for bug-gnu-emacs@gnu.org; Thu, 07 Aug 2014 11:36:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XFPjW-00016H-V7 for bug-gnu-emacs@gnu.org; Thu, 07 Aug 2014 11:36:07 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55448) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XFPjW-00015G-SQ for bug-gnu-emacs@gnu.org; Thu, 07 Aug 2014 11:36:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XFPjW-0000xl-AE for bug-gnu-emacs@gnu.org; Thu, 07 Aug 2014 11:36:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 07 Aug 2014 15:36:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18195 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18195-submit@debbugs.gnu.org id=B18195.14074257153631 (code B ref 18195); Thu, 07 Aug 2014 15:36:02 +0000 Original-Received: (at 18195) by debbugs.gnu.org; 7 Aug 2014 15:35:15 +0000 Original-Received: from localhost ([127.0.0.1]:34158 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XFPik-0000wU-NM for submit@debbugs.gnu.org; Thu, 07 Aug 2014 11:35:15 -0400 Original-Received: from mtaout29.012.net.il ([80.179.55.185]:45960) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XFPii-0000wC-Di for 18195@debbugs.gnu.org; Thu, 07 Aug 2014 11:35:13 -0400 Original-Received: from conversion-daemon.mtaout29.012.net.il by mtaout29.012.net.il (HyperSendmail v2007.08) id <0N9Y00F000E11V00@mtaout29.012.net.il> for 18195@debbugs.gnu.org; Thu, 07 Aug 2014 18:35:07 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout29.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N9Y00DOL0MJBX20@mtaout29.012.net.il>; Thu, 07 Aug 2014 18:35:07 +0300 (IDT) In-reply-to: <53E39674.2040507@gmx.at> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.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:92267 Archived-At: > Date: Thu, 07 Aug 2014 17:08:36 +0200 > From: martin rudalics > CC: dgutov@yandex.ru, 18195@debbugs.gnu.org > > > I obviously fail to explain to you why this will not work in general. > > Never mind. > > If by "in general" you mean that he won't be able to align his overlays > properly with varying font sizes, prefixes, line warping and the like if > he continues to use the original text, I obviously agree. No, I mean that it is generally unreliable to measure the pixel dimensions of some text in one buffer, then assume that the dimensions will be the same when displayed as overlay in another buffer. This is only true when both buffers use the same single font and the same line spacing; otherwise, it's simply false.