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Re: [AUCTeX-devel] Question reg. font-locking

From: Arash Esbati
Subject: Re: [AUCTeX-devel] Question reg. font-locking
Date: Tue, 16 Feb 2016 22:13:28 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.91

Hi Mosè,

Mosè Giordano <address@hidden> writes:

> 2016-02-13 21:45 GMT+01:00 Arash Esbati <address@hidden>:
>> Is there a way to make `*' part of the macro?
> Not that I'm aware of, but I faced a similar problem some years ago
> with "\caption*" macro provided by longtable.sty package: the standard
> "\caption" macro takes an optional and a mandatory argument,
> "\caption*" by longtable.sty only a mandatory one: the font-locking
> specification that makes all cases work is "*[{".
> In your case I'd use:
>     (font-latex-add-keywords '(("titleformat" "*{[{")) 'function)
>     (font-latex-add-keywords '(("titlerule" "*[{")) 'function)
> They're not strictly true, but works in most cases, most importantly
> when the syntax is right.  The rule of thumb is to use the minimum
> number of common mandatory arguments.  There will be some cases with
> "good font-locking with wrong syntax", above all with "\titleformat",
> but I consider these cases less serious than "bad font-locking with
> right syntax".

Thanks for your response, I see your point and have an idea where to go

> If you decide to go by this route, please add a comment explaining
> this is a workaround (like what I did in style/longtable.el),
> hopefully it'll be useful for other people reading that code.

Will do so.

> Anyway, feel free to investigate how to make it possible to specify
> font-locking rules with macros with a star in their name ;-)

Nice try ;-)  I think that will not happen, font-latex is definitely
beyond my depth.

Cheers, Arash

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