Re: Emacs 23.3 stops font-lock when have long face name

[Eli Zaretskii <eliz@gnu.org>]

> From: wsnyder@wsnyder.org (Wilson Snyder)
> Date: Wed, 25 Nov 2015 07:30:41 -0500
> 
> I'm trying to fix a font-lock issue with long face names
> reported against Emacs 23.3, which I've confirmed is fixed
> in Emacs 25.
> 
> There's a keyword list:
> 
>   (setq verilog-font-lock-keywords
>      ....
>      (cons (concat "\\<\\(" verilog-font-grouping-keywords "\\)\\>")
> 	   'verilog-font-lock-fixme-face)
> 
> this works correctly.  Changing the face name used to 
> 
>            'verilog-font-lock-fixmefixmefixmefixmefixmefixmefixme-face)
> 
> which has an identical face definition as the shorter name,
> makes the fontification break - font-lock simply stops
> highlighting using this face half way through the smallish
> buffer, but continues using other (shorter) face names.
> 
> This is not affected by font-lock-maximum-size.
> 
> Can anyone please suggest what version this was fixed and
> suggest a workaround for the older Emacsen?

Can you post a minimal file (or files) required to reproduce this, and
a reproducible recipe starting from "emacs -Q"?

Thanks.