Re: [AUCTeX] adapt auctex to the latex3 syntax

[TeXnicien de Surface]

Le 27/08/2012 15:18, Nicolas Richard a écrit :
> TeXnicien de Surface <address@hidden> writes:
>
> > I would like to see a latex3 macro name such as \c_something:Nn
> > "correctly" recognised as a macro name (to obtain the same face as
> > with \something)
> > I've tried to modify the syntax table with
> >
> > (defun latex-syntaxe-latex3()
> >    "modifie la table de syntaxe pour faire de _ et : des lettres"
> >    (interactive)
> >    (modify-syntax-entry ?_ "w" LaTeX-mode-syntax-table)
> >    ;; to be completed for :
> > )
>
> In fact the fontification for commands does not use the syntax table,
> but is hardcoded in font-latex.el :

> (defun font-latex-match-simple-command (limit)
>    "Search for command like \\foo before LIMIT."
>    (TeX-re-search-forward-unescaped "address@hidden" limit t))
>
> you can modify this function to :
>
> (defun font-latex-match-simple-command (limit)
>    "Search for command like \\foo before LIMIT."
>    (TeX-re-search-forward-unescaped "address@hidden:_]+" limit t))
>
> to get the desired behaviour.
>
> Or perhaps it would be good to have
> (defun font-latex-match-simple-command (limit)
>    "Search for command like \\foo before LIMIT."
>    (TeX-re-search-forward-unescaped "address@hidden:word:]]+" limit t))
> and change the syntax table as you did.

I've done this and it works. That's great!

> Regarding the syntax table, note that modifying it shows immediate
> effect for some commands (e.g. describe-char or isearch-forward-regexp,
> which really consider _ and : as words), but not for
> font-lock-fontify-buffer : I had to M-x LaTeX-mode before font locking
> was correctly updated u sing [:word:] in the regexp. I have no idea why.
> Maybe the answer is in the code...

Same thing here.

Perhaps it would be a good idea to suggest the modification to the main 
code and provide a LaTeX3 syntax-table over the bargain.

Many thanks for you help.
--
Le TeXnicien de Surface