Re: xml-mode and *html*-font-lock-keywords - why?
>>>> "Ville" == Ville Skytt <Ville>
writes:
Ville> On Fri, 2002-09-06 at 02:06, Jeff Mincy wrote:
Ville> [...]
> (put 'xml-mode 'font-lock-defaults
'(html-font-lock-keywords nil t))
>
> The problem is that without the above html-font-lock hack, xml-mode
> does not do font locking. xml-mode does some sort of font locking if
> you have set various configuration variables sgml-auto-activate-dtd
> and sgml-set-face. If these variables are set, then xml code will be
> fontified according to sgml-markup-faces.
Ville> [...]
Ville> Ok. I wasn't quite up to date how the built-in fontification in psgml
Ville> works, thanks for the explanation. It looks a bit hairy indeed,
Ville> especially with the requirement for sgml-auto-activate-dtd.
> > Those keywords contain stuff that is plain wrong in XML,
such as
> > fontifying stuff inside the <strong> tag in bold.
>
> Maybe. If you have xhtml stuff mixed in it would be correct?
Ville> Yes, for the XHTML parts of it. But I'm against blindly applying it to
Ville> *all* XML documents.
Ville> Additionally, it might be pretty hard to implement the fontification for
Ville> arbitrary XML docs containing XHTML inside, along with other namespaces,
Ville> properly. Doable, but IMHO not worth it. Instead, the HTML keywords
Ville> could be used if the DTD of the doc says it's XHTML. Hmm, maybe
Ville> detecting this requires auto-activation of the DTD... :(
> > I think this is because psgml's own fontification kicks
in when one hits
> > the TAB in the above. Doing M-x font-lock-fontify-buffer RET brings
> > back a consistent state (ie. the one that psgml-html and its font-lock
> > does), but editing the buffer after that again changes the colours.
>
> I've noticed that as well. This xml-mode font-lock hack wouldn't
> explain this particular problem though? html-mode doesn't call
> xml-mode? Right?
Ville> Right, kind of. It isn't related to xml-mode, but sgml-mode and the
Ville> assumption that the built-in fontification of sgml-mode and the
Ville> font-lock stuff in psgml-html don't play together well. sgml-mode is
Ville> related, because html-mode derives from it.
> > As you already note in [1], this is the first cut and most
likely work
> > in progress, but could you give any estimates how/when/if you're
> > planning to continue the work? I'm afraid that we'll start receiving
> > bug reports about this soon...
Ville> Hmm, on a second look, this has been in CVS since last
Ville> December, and at least I don't remember seeing bug reports
Ville> about this.
Ville> Nevertheless, this obviously needs some work. I'll see if
Ville> I can come up with a plan and/or patches soon.
Hi Ville,
I agree with your findings.
I don't have time to work on this in the near future and look forward
to your patches.
Best regards,
Adrian
Ville> Cheers,
Ville> --
Ville> \/ille Skyttä
Ville> ville.skytta at xemacs.org
--
Adrian Aichner
mailto:adrian＠xemacs.org
http://www.xemacs.org/