Subject: bug#20352: Factor 2 slow down of font-locking in c-mode

From: Alan Mackenzie <[email-masked]>
Date: 17 Apr 2015 19:10:05 -0000

In article <[email-masked]> you wrote:
> Package: Emacs
> Version: 25.0.50

>   src/emacs -Q -nw src/xdisp.c                                          \
>       --eval "(progn (font-lock-fontify-region (point-min) (point-max)) \
>                      (kill-emacs))"

> Is about twice as slow with the code from "master" as it is with the
> code from the emacs-24 branch.

Twice as slow, eh?  You should be so lucky!  I've just tried it, and for
me it's nearer a factor of 10.  ;-(

I'll look at this.

>        Stefan

-- 
Alan Mackenzie (Nuremberg, Germany).