From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#20146: font-lock-extend-jit-lock-region-after-change: results are discarded instead of being returned. Date: Thu, 19 Mar 2015 23:01:36 +0000 Message-ID: <20150319230136.GC2753@acm.fritz.box> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1426806208 12008 80.91.229.3 (19 Mar 2015 23:03:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 19 Mar 2015 23:03:28 +0000 (UTC) To: 20146@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Mar 20 00:03:16 2015 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 1YYjT6-0000sK-Oy for geb-bug-gnu-emacs@m.gmane.org; Fri, 20 Mar 2015 00:03:13 +0100 Original-Received: from localhost ([::1]:41658 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYjT5-0005wv-Ia for geb-bug-gnu-emacs@m.gmane.org; Thu, 19 Mar 2015 19:03:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46584) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYjT0-0005sI-7s for bug-gnu-emacs@gnu.org; Thu, 19 Mar 2015 19:03:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YYjSx-000136-32 for bug-gnu-emacs@gnu.org; Thu, 19 Mar 2015 19:03:06 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:40600) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYjSx-00012z-0A for bug-gnu-emacs@gnu.org; Thu, 19 Mar 2015 19:03:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YYjSw-0007pO-MO for bug-gnu-emacs@gnu.org; Thu, 19 Mar 2015 19:03:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 19 Mar 2015 23:03:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 20146 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.142680612930027 (code B ref -1); Thu, 19 Mar 2015 23:03:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 19 Mar 2015 23:02:09 +0000 Original-Received: from localhost ([127.0.0.1]:58609 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YYjS5-0007oF-Hd for submit@debbugs.gnu.org; Thu, 19 Mar 2015 19:02:09 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:44441) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YYjS4-0007o3-1m for submit@debbugs.gnu.org; Thu, 19 Mar 2015 19:02:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YYjRy-0000q6-2E for submit@debbugs.gnu.org; Thu, 19 Mar 2015 19:02:02 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:44775) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYjRx-0000pz-W1 for submit@debbugs.gnu.org; Thu, 19 Mar 2015 19:02:02 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46137) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYjRw-0005Pn-Kw for bug-gnu-emacs@gnu.org; Thu, 19 Mar 2015 19:02:01 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YYjRt-0000op-8g for bug-gnu-emacs@gnu.org; Thu, 19 Mar 2015 19:02:00 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:55792 helo=mail.muc.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYjRt-0000od-1o for bug-gnu-emacs@gnu.org; Thu, 19 Mar 2015 19:01:57 -0400 Original-Received: (qmail 22897 invoked by uid 3782); 19 Mar 2015 23:01:55 -0000 Original-Received: from acm.muc.de (pD951A075.dip0.t-ipconnect.de [217.81.160.117]) by colin.muc.de (tmda-ofmipd) with ESMTP; Fri, 20 Mar 2015 00:01:54 +0100 Original-Received: (qmail 6413 invoked by uid 1000); 19 Mar 2015 23:01:36 -0000 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). 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:100673 Archived-At: Hi, Emacs In font-lock-extend-jit-lock-region-after-change in font-lock.el, the new fontification region is calculated by funcalling font-lock-extend-after-change-region-function. The result of this funcall is assigned to internal variables beg and end. To return these values to the caller, they should be written to the dynamically bound variables jit-lock-start and jit-lock-end. This is only done in the case (memq 'font-lock-extend-region-wholelines font-lock-extend-region-functions) . It should be done in all cases. -- Alan Mackenzie (Nuremberg, Germany).