From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B Date: Fri, 11 Jan 2013 19:06:24 +0100 Message-ID: <50F054A0.2040606@gmx.at> References: <50EE7BE5.2060806@gmx.at> <83hamohmtj.fsf@gnu.org> <50EFCA6D.7090702@gmx.at> <83ip74ume7.fsf@gnu.org> <50EFE99A.5070508@gmx.at> <838v80ugv1.fsf@gnu.org> <50F021EC.4040107@gmx.at> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1357927623 3861 80.91.229.3 (11 Jan 2013 18:07:03 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 11 Jan 2013 18:07:03 +0000 (UTC) Cc: 13399@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jan 11 19:07:21 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 1Ttj0i-00063b-RI for geb-bug-gnu-emacs@m.gmane.org; Fri, 11 Jan 2013 19:07:20 +0100 Original-Received: from localhost ([::1]:33937 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ttj0S-00067C-Ru for geb-bug-gnu-emacs@m.gmane.org; Fri, 11 Jan 2013 13:07:04 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:44208) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ttj0N-000667-MU for bug-gnu-emacs@gnu.org; Fri, 11 Jan 2013 13:07:02 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ttj0I-0001Ri-Va for bug-gnu-emacs@gnu.org; Fri, 11 Jan 2013 13:06:59 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:50316) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ttj0I-0001Rd-S6 for bug-gnu-emacs@gnu.org; Fri, 11 Jan 2013 13:06:54 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Ttj0Q-0002E2-CO for bug-gnu-emacs@gnu.org; Fri, 11 Jan 2013 13:07:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 11 Jan 2013 18:07:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13399 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13399-submit@debbugs.gnu.org id=B13399.13579276068527 (code B ref 13399); Fri, 11 Jan 2013 18:07:02 +0000 Original-Received: (at 13399) by debbugs.gnu.org; 11 Jan 2013 18:06:46 +0000 Original-Received: from localhost ([127.0.0.1]:55780 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Ttj09-0002DT-5r for submit@debbugs.gnu.org; Fri, 11 Jan 2013 13:06:46 -0500 Original-Received: from mout.gmx.net ([212.227.17.20]:61960) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Ttj07-0002DF-69 for 13399@debbugs.gnu.org; Fri, 11 Jan 2013 13:06:43 -0500 Original-Received: from mailout-de.gmx.net ([10.1.76.2]) by mrigmx.server.lan (mrigmx002) with ESMTP (Nemesis) id 0MN7F0-1TrW4z3BX6-006f2V for <13399@debbugs.gnu.org>; Fri, 11 Jan 2013 19:06:29 +0100 Original-Received: (qmail invoked by alias); 11 Jan 2013 18:06:29 -0000 Original-Received: from 62-47-43-86.adsl.highway.telekom.at (EHLO [62.47.43.86]) [62.47.43.86] by mail.gmx.net (mp002) with SMTP; 11 Jan 2013 19:06:29 +0100 X-Authenticated: #14592706 X-Provags-ID: V01U2FsdGVkX1+qE89LiCyqM/WMKUWr1lbtvKlAH1pJ+QBKPNM+pt 8LqyvD6iTMarEH In-Reply-To: X-Y-GMX-Trusted: 0 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:69619 Archived-At: > In the case of the mouse-face property that means you can use (list 'my-face) > on the chunk you want to make sure it's not `eq' to an adjacent chunk. Good to know that trick (undocumented I presume). > W.r.t. functions that return the pixel width/height of a string, I guess > you'd presume that the string would be displayed at the leftmost > position on a line, since the width/height of a string will depend on > where it's displayed in the window (which affects the width of TAB > chars, and the placement of line wraps). Yes. In my use case the buffer has no newline. >>> Anyway, how would you word-wrap in Lisp, except by adding display >>> strings with newlines (which AFAIR features like longlines >>> etc. already do)? >> By adding hard newlines. All I care about is to (1) show the entire >> buffer text in a fixed-width window and (2) make that window as small as >> possible. > > How 'bout starting my making the window as high as you can, then call > (posn-at-point (point-max)), then shrink the window accordingly? How could `posn-at-point' possibly work if the display is not up to date? And what I want to avoid is the redisplay. martin