Re: [sigra@home.se: C++-mode: Syntax highlighting: wrong color for function identifier depending on the kind of whitespace that follows]

[Stefan Monnier <monnier@iro.umontreal.ca>]

>> I.e. equivalent to "<<\\(.\\|\n\\)*?\\(>>\\)?".

> The function actually used in AUCTeX does a bit more.  For example it
> checks if a face for verbatim content is present and does not set a
> match in such a case.

Sure.  Also it's more efficient than the above regexp.

>> it's specific to jit-lock, tho.
> Hm, I would not like leaving people who disabled jit-lock out in the
> cold.  So the hook is probably a better alternative.  But thanks for
> that hint anyway.

jit-lock is already needed for correct refontification of multi-line
comments and strings, so I wouldn't worry too much about the effect it would
have of foncitifcation of other multiline constructs.

>> that I'd want it to be in font-lock-default-fontify-region.  I.e. it should
>> then be possible to remove mention of font-lock-multiline from
>> font-lock-default-fontify-region by moving it to this new hook (which we
>> could call font-lock-fontify-extend-region-functions).

> Hm, how would it be possible to detect closing tags in this case?
> Maybe with an initial search for these tags across the region to be
> fontified.  Or on a case by case basis for every closing tag which is
> encountered during fontication of the region?  This would be rather
> inefficient compared to using a hook to be called before
> `font-lock-after-change-function'.  But maybe you are thinking about
> something completely different.

Huh?  I must be missing something: I don't see what's different between
font-lock-after-change-function and font-lock-default-fontify-region, other
than the fact that they're called at different moments.


        Stefan


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