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Re: [AUCTeX] Use a comment fontlock for regions between "\iffalse" and "

From: Mandar Mitra
Subject: Re: [AUCTeX] Use a comment fontlock for regions between "\iffalse" and "\fi"
Date: Fri, 3 Nov 2017 16:24:53 +0530

Hong Xu wrote (Tue, Oct 31, 2017 at 02:39:49PM -0700):
> On 10/29/2017 11:22 AM, Mosè Giordano wrote:
> > Hi Hong,
> > 
> > 2017-10-29 6:54 GMT+01:00 Hong Xu <address@hidden>:
> >> Hi all,
> >>
> >> A common trick that people use to comment out a region is using
> >> "\iffalse" and "\fi".
> >> How can I achieve this,
> > 
> > Perhaps playing with `font-latex-syntactic-keywords-extra', see for
> > example the file style for comment package.
> > 
> >> and do you think it's a good idea to include
> >> this feature in auctex?
> > 
> > I think that currently AUCTeX knows nothing about conditionals in
> > general.  I'm not sure it's worth starting from fontification of this
> > very particular case.
> > 
> Are you still interested in this :)

Sorry for butting in. I have a macros.tex file where I collect all commonly 
used \usepackages, \newcommands and so forth. Based on advice received via this 
mailing list, I inserted the following at the beginning of the file:

% Following workaround required in order to get auctex to parse this file
% and update auto/macros.el properly.

There's a matching \iffalse \end{document} \fi at the end of the file.

I don't know if this workaround is still required, but I suspect it will no 
longer work once AUCTeX starts interpreting conditionals, so I have selfish 
motives for hoping a little that things will remain as they are.

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