Re: #if 0 syntax folding

Christian Brabandt wrote:

> On Di, 23 Aug 2011, Christ van Willegen wrote:
>
> > Hello Christian,
> >
> > On Mon, Aug 22, 2011 at 22:35, Christian Brabandt <cblists@256bit.org> wrote:
> > > I see. Attached patch fixes it.
> >
> > I was curious and read your patch. The "%:" I saw in the patch made me
> > (even more) curious, and I read
> > http://en.wikipedia.org/wiki/Digraphs_and_trigraphs to see if I
> > guessed right to see if it was a C digraph (I've never used them
> > myself, all the keyboards I've used had # and {} on them ;-) )
> >
> > Just above the table that lists %: as a digraph for #, there's a table
> > of trigraphs mentioning ??= as well, but I didn't see that in the
> > syntax file. I guess this one has (almost completely?) fallen from
> > usage, but wouldn't it be more complete to also specify this trigraph
> > in the regular expression(s)? It's probably a PITA to support them,
> > but for completeness sake...
>
> Thanks for mentioning it. I didn't even know, that those features are
> supported by the preprocessor. Anyway, here is an updated patch, that
> also supports ??= as trigraph for #.
>
> Bram can then decide, whether he likes to support this for C syntax
> files or not.

I don't like the use of ??= or %: instead of #. I see no good reason
for it, other than that some standard allows it. C99 contains a few bad
ideas...

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