The styles and js are already available in the parser output in
->mHeadItems. Should be trivial to expose them through the API via
action=parse.
So I've put this on bugzilla, see
<https://bugzilla.wikimedia.org/show_bug.cgi?id=22061>

P.Copp

On Fri, Jan 8, 2010 at 5:42 PM, Carl (CBM) <cbm.wikipe...@gmail.com> wrote:
> I noticed today that livepreview does not pick up the
> dynamically-generated CSS from the SyntaxHighlight_Geshi extension.
> The same problem occurs in liquidthreads: when you add a comment with
> a Geshi call in it, the CSS will not be picked up when the comment is
> initially saved. The first full reload of the page will pick up the
> css correctly neither case.
>
> After some investigation, this is really an issue in core and will
> apply to any extension that needs to add CSS and/or javascript to the
> output HTML.  To fix the bugs with livepreview, we would need some
> mechanism where AJAX calls receive not only new HTML, but also new CSS
> and/or javascript, and can add that CSS and javascript to the current
> page without a reload.  Adding the CSS and javascript dynamically may
> be tricky from a compatibility standpoint, but having library
> functions in our site javascript would help with that.
>
> I have not investigated the cause of the problem in liquidthreads.
>
> The code in EditPage.php shows scars from similar problems, in a
> commented-out call to send a list of categories back to an AJAX
> preview request.
>
> - Carl
>
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