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From: Jesper Harder <harder@myrealbox.com>
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Subject: Re: emacs documentation for (La)TeX
Date: Mon, 22 Dec 2003 23:36:44 +0100
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Joe Corneli <jcorneli@math.utexas.edu> writes:

> Except perhaps for links to the source, which may be the most useful
> feature of describe-function. 

Yes, that is incredible useful.  BTW, if you don't already know it
take a look at `find-function-setup-keys'.  It defines more handy key
bindings in the same vein.

But I don't think it generalizes easily to non-Emacs native language.
The standard way to handle it for other languages is /tags tables/,
see <info://emacs/Tags>.

And LaTeX is already supported by that ... though probably not exactly
the way you want if you're mostly interested in low-level
functionality.  But it is possible to define your own regexps -- it
might work well enough for your purpose.