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## Re: [AUCTeX] Highlighting unknown TeX commands

 From: Ralf Angeli Subject: Re: [AUCTeX] Highlighting unknown TeX commands Date: Sat, 14 Feb 2009 20:10:31 +0100

```* Nikolaus Rath (2009-02-14) writes:

> However, it seems that the new version no longer highlights unknown
> TeX commands like \foobrazl. Before I updated, they were always
> displaced in grey. Is there a way to reenable this?

It should still highlight unknown commands.  Try starting Emacs with
emacs -Q -l auctex
and load a LaTeX file.  (You might have to do `M-x global-font-lock-mode
<RET>' in order to activate Font Lock mode before loading the file.)  If
the macros are highlighted in this case, there is likely something in

The font locking changed quite a bit in 11.85 and it could be that some
of the older customizations interfere with the new code, even though I
tried to prevent this from happening.

--
Ralf

```