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Re: Partial font locking with Emacs 24


From: Alan Mackenzie
Subject: Re: Partial font locking with Emacs 24
Date: Wed, 08 Dec 2010 15:32:58 -0000
User-agent: tin/1.6.2-20030910 ("Pabbay") (UNIX) (FreeBSD/4.11-RELEASE (i386))

Suvayu Ali <fatkasuvayu+linux@gmail.com> wrote:
> Hi everyone,

> Since about a week or two I am seeing incomplete font-locking
> behaviour with "GNU Emacs 24.0.50.1 (2010-10-18)" in c++-mode. The
> variables and function names are displayed in the `default' face
> instead of `font-lock-variable-name-face' and
> `font-lock-function-name-face' respectively.

> Compare lines 55 and 62 in the screen shots below to see what I mean.

> Emacs 23.2.1 (correct font-lock behaviour)
> <http://i288.photobucket.com/albums/ll164/jalladandtux/screenies/emacs-23-font-lock.png>

> Emacs 24 (incorrect font-lock behaviour)
> <http://i288.photobucket.com/albums/ll164/jalladandtux/screenies/emacs-24-font-lock.png>

> Does anyone else notice something like this?

Best way of reporting this:
1/- Reduce to the minimum the size of the source file which shows the
error.  Actually post this code together with your bug report.  This
keeps it together forever, and is MUCH more convenient.

2/- (In c++-mode) type C-c C-b in your c++ buffer.  This will generate a
complete dump of the CC Mode configuration.  This is VERY helpful for
debugging.

3/- Send the bug report to bug-cc-mode@gnu.org.

I think I know which change caused this bug.  It would be nice to get it
fixed.

-- 
Alan Mackenzie (Nuremberg, Germany).



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