Re: Last steps for pretesting (font-lock-extend-region-function)

[Ralf Angeli]

* Alan Mackenzie (2006-04-25) writes:

> On Tue, 25 Apr 2006, Ralf Angeli wrote:
>
>>Do you even have to bother with placing font-lock-multiline properties
>>manually?  In AUCTeX we simply set the font-lock-multiline variable to
>>t and font-lock added the property automatically.
>
> Yes, absolutely!  There are two separate things here which Stefan is
> failing to distinguish:
>
> (i) The matching of keywords which span line breaks;
>
> (ii) Extending a font-lock region to include all text needing
> refontification.
>
> If I've understood font-lock-multiline properly, only manually setting
> f-l-m can achieve purpose (ii).

As far as I can see font-lock cares about that itself in case of
keyword fontification if the value of the variable
`font-lock-multiline' is t.  There are `(put-text-property
... 'font-lock-multiline t)' calls in
`font-lock-fontify-achored-keywords' and
`font-lock-fontify-keywords-region'.  As I wrote before, AUCTeX uses
this feature without manually adding `font-lock-multiline' properties.

-- 
Ralf