From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Vitalie Spinu Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] widen-limits c331b66: Implement buffer-widen-limits functionality Date: Wed, 23 Mar 2016 15:17:03 +0100 Message-ID: <87a8lpnusg.fsf@gmail.com> References: <20160322022539.16038.77264@vcs.savannah.gnu.org> <8737riqouj.fsf@gmail.com> <221845e0-b194-433e-bfbc-105272ae5752@default> <87twjyp21k.fsf@gmail.com> <56F242E0.7060004@online.de> <877fgtpfrw.fsf@gmail.com> <56F293E7.2000703@online.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1458742687 4658 80.91.229.3 (23 Mar 2016 14:18:07 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 23 Mar 2016 14:18:07 +0000 (UTC) Cc: emacs-devel@gnu.org To: Andreas =?utf-8?Q?R=C3=B6hler?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Mar 23 15:18:06 2016 Return-path: Envelope-to: ged-emacs-devel@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 1aijbp-0006q0-LD for ged-emacs-devel@m.gmane.org; Wed, 23 Mar 2016 15:18:05 +0100 Original-Received: from localhost ([::1]:44244 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aijbo-0005pp-TD for ged-emacs-devel@m.gmane.org; Wed, 23 Mar 2016 10:18:04 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52651) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aijau-0004Fe-TB for emacs-devel@gnu.org; Wed, 23 Mar 2016 10:17:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aijas-0006FB-5T for emacs-devel@gnu.org; Wed, 23 Mar 2016 10:17:08 -0400 Original-Received: from mail-wm0-x22f.google.com ([2a00:1450:400c:c09::22f]:35919) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aijar-0006F2-Vo for emacs-devel@gnu.org; Wed, 23 Mar 2016 10:17:06 -0400 Original-Received: by mail-wm0-x22f.google.com with SMTP id r129so138595119wmr.1 for ; Wed, 23 Mar 2016 07:17:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=5Qhlfm+wF+n0ci7uhUVCR/AGPhFgiNfFmaeUT2REjW4=; b=scFff70D16vKvQFHE1n/URVcCpeiYNO9NH8L67MvbLs0obFI504ODEOMeqIZZZP3ID 9XCAwtIqYJnvsXsId/I4h9NzzGgeLUetS4VlWkVOVTjBYaw0UOnyHiIt9vJwify6M8/B 7wWzy/DBSvszUoUKEfRCGeWcVCbEPE3wpYsHt55l06giYPGvfeza/DWZSPpvkQjT+XLk Xu1dI8OzmM77dYerdiEIwbiHMre5X5G6wMzSL8IqYvy3rhbYCSUyepjWcm8qjNnYWupr PY34ADtoD50vFTFSMhzpW5YQiZNjTy8X4FFaEWxLfSgT2DzIub+tn/yk9pW2Y/5QpOxZ 3adw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-transfer-encoding; bh=5Qhlfm+wF+n0ci7uhUVCR/AGPhFgiNfFmaeUT2REjW4=; b=FSMA6zTjl0xaXtohRdGEwy2v1gygtE7X0V9WngHynxRiSdVLfSXevnQvCJp/iti16M 4toLZ3+Wg/BW67lFCS4yhpW044pkXbe+Q87PQpeEl5G0CM0KP48wO+Q6AOAXb8aJmS85 bIyPaiNxRRMNXFFS3MHVLHM3SKp9QxUJkXoJZRGCsEjAlNxsOZ0KFYHRLWX/zam55Zsp L13mMgB1pXi7OHw+3WdtPRXgVo4K4C1ZXVyonyRLnFR8ueaAzxSt49bfyKKDkxhLJm8D AIOTdDp5FuLKjNUSoWnFq77wv0gQH2hx7a/r6jvAUroBWEVmCnlLdWo3xdghSAZHqkPq q7fg== X-Gm-Message-State: AD7BkJKRRHWcLzyExnQKibWtNJ3H78rh61sM54HGMSA1QgfWcVCyNze2Pz8WWpnJtt4aEA== X-Received: by 10.28.170.137 with SMTP id t131mr26513423wme.74.1458742625146; Wed, 23 Mar 2016 07:17:05 -0700 (PDT) Original-Received: from localhost ([143.176.214.220]) by smtp.gmail.com with ESMTPSA id a1sm2804737wje.43.2016.03.23.07.17.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 23 Mar 2016 07:17:04 -0700 (PDT) In-Reply-To: <56F293E7.2000703@online.de> ("Andreas =?utf-8?Q?R=C3=B6hler?= =?utf-8?Q?=22's?= message of "Wed, 23 Mar 2016 14:02:31 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.92 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:400c:c09::22f X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:202136 Archived-At: >> On Wed, Mar 23 2016 14:02, Andreas R=C3=B6hler wrote: > may you point me to spot/bug where widen goes wrong? Widen doesn't go wrong in itself. It what you do when you widen. In multi-m= odes which use narrowing to create a micro-universe for inner modes, inner mode = might widen then compute some stuff on code from other language regions. This lea= ds to errors of all kind. For example when multi-mode advices font-lock-default-fontify-region it can= not control what individual functions in font-lock-keywords are doing. In case = of syntax-propertize-function it's a complete black box. The function can deci= de to do whatever there. Luckily if major-modes doesn't use widen or parse-partial-sexp directly it = all seem to work quite well with proper advice of relevant functions. Vitalie