From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.devel Subject: Re: Fontless Info Date: Wed, 20 Feb 2013 10:58:06 +0000 Message-ID: <20130220105806.GA3345@acm.acm> References: <874nh8ybnz.fsf@dimension8.tehua.net> <87mwv0zk06.fsf@thinkpad.tsdh.de> <83r4kcp95y.fsf@gnu.org> <20130219231046.GB4377@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1361357933 25801 80.91.229.3 (20 Feb 2013 10:58:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 20 Feb 2013 10:58:53 +0000 (UTC) Cc: aidalgol@no8wireless.co.nz, Tassilo Horn To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Feb 20 11:59:15 2013 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 1U87OM-0000Xf-W4 for ged-emacs-devel@m.gmane.org; Wed, 20 Feb 2013 11:59:15 +0100 Original-Received: from localhost ([::1]:54728 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U87O2-0001CX-Pf for ged-emacs-devel@m.gmane.org; Wed, 20 Feb 2013 05:58:54 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:49923) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U87Nw-0001BB-RS for emacs-devel@gnu.org; Wed, 20 Feb 2013 05:58:52 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U87Nt-0006KF-KP for emacs-devel@gnu.org; Wed, 20 Feb 2013 05:58:48 -0500 Original-Received: from colin.muc.de ([193.149.48.1]:31482 helo=mail.muc.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U87Nt-0006Jw-9O for emacs-devel@gnu.org; Wed, 20 Feb 2013 05:58:45 -0500 Original-Received: (qmail 46858 invoked by uid 3782); 20 Feb 2013 10:58:44 -0000 Original-Received: from acm.muc.de (pD951AB3A.dip.t-dialin.net [217.81.171.58]) by colin.muc.de (tmda-ofmipd) with ESMTP; Wed, 20 Feb 2013 11:58:38 +0100 Original-Received: (qmail 3370 invoked by uid 1000); 20 Feb 2013 10:58:06 -0000 Content-Disposition: inline In-Reply-To: <20130219231046.GB4377@acm.acm> User-Agent: Mutt/1.5.21 (2010-09-15) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 8.x X-Received-From: 193.149.48.1 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:157201 Archived-At: On Tue, Feb 19, 2013 at 11:10:46PM +0000, Alan Mackenzie wrote: > On Tue, Feb 19, 2013 at 06:20:41PM +0200, Eli Zaretskii wrote: > > > From: Tassilo Horn > > > Date: Tue, 19 Feb 2013 11:16:25 +0100 > > > Cc: emacs-devel@gnu.org > > > Aidan Gauland writes: > > > > Emacs was run with -Q, and I ran `make distclean' before rebuilding > > > > again to make sure it wasn't a problem with my local build. This > > > > appears to be a bug, but if no one else can reproduce it... > > > You are not alone. I've just updated my emacs copy, and I can reproduce > > > the issue. So it's clearly a bug. > > This happens because font-lock-mode gets turned off in Info buffers. > > Type "M-x font-lock-mode RET", and all the niceties are back. (You > > could guess that this is the problem if you'd go to the un-decorated > > text and type "M-x describe-text-properties RET" there.) > > The reason seems to be the changes in revision 111794: their result is > > that, after Info mode is turned on and turns on font-lock, font-lock > > is turned off again by something called > > global-font-lock-mode-check-buffers. And to make things _really_ > > interesting, if you run this under Edebug, the problem disappears... > Thanks for the prod! > > Since the voodoo of easy-mmode is beyond me, I'll let others fix this. > This might well do the trick: > === modified file 'lisp/emacs-lisp/easy-mmode.el' > *** lisp/emacs-lisp/easy-mmode.el 2013-02-15 20:01:51 +0000 > --- lisp/emacs-lisp/easy-mmode.el 2013-02-19 23:03:30 +0000 > *************** > *** 417,423 **** > ;; Go through existing buffers. > (dolist (buf (buffer-list)) > (with-current-buffer buf > ! (if ,global-mode (,turn-on) (when ,mode (,mode -1)))))) > ;; Autoloading define-globalized-minor-mode autoloads everything > ;; up-to-here. > --- 417,425 ---- > ;; Go through existing buffers. > (dolist (buf (buffer-list)) > (with-current-buffer buf > ! (if ,global-mode > ! (,turn-on) > ! (when ,mode (let (,disable-MODE) (,mode -1))))))) > ;; Autoloading define-globalized-minor-mode autoloads everything > ;; up-to-here. > *************** > *** 439,445 **** > (if ,mode (,mode -1)) > (unless (eq ,MODE-major-mode major-mode) > (if ,mode > ! (progn > (,mode -1) > (,turn-on)) > (,turn-on)))) > --- 441,447 ---- > (if ,mode (,mode -1)) > (unless (eq ,MODE-major-mode major-mode) > (if ,mode > ! (let (,disable-MODE) > (,mode -1) > (,turn-on)) > (,turn-on)))) I forgot to add that after applying the patch you will need to regenerate and load font-core.elc. Seeing as how that file is dumped with the Emacs binary, you're probably as well just doing a "make bootstrap". -- Alan Mackenzie (Nuremberg, Germany).