Alex Robinson wrote:
> Because while Microsoft fixed * html they introduced another
> parsing bug :)
>
> Actually you don't need the :first-child since *+html shouldn't
> select anything and doesn't in other modern browsers. It's just IE7
> that does it.
>
> The only drawback is that if you want to target both IE7 and IE6 et
> al, you need to have a double declaration
>
> * html { ... }
> *+html { ... }
MS fixed the mysterious 'super-root' element. But their support for
those additional selectors in IE 7 reveals another bug, in that
comments (and the DTD stuff at the top of the page is a SGML comment
of sorts) are treated as elements, whereas they should be just
nothing, at parsing time.
(Probably because they have to support that barbarity that is a
Conditional Comment).
Deconstructed:
*+html selects an element that immediately follows another one (any
element), as in
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<HTML>
(and IE 7 only support the adjacent sibling combinator in 'standards
mode')
> At 10:50 +0000 23/3/07, Chris Ovenden wrote:
>> .clearing { display:none } /* IE 6 & 7 */
>> *|html .clearing { display:block } /* everything else */
>
> I think this is the first sighting of this beast in the wild
>
> http://frontend.blogsome.com/2007/01/23/the-flispide-of-star-html/
>
> Of course that's invalid in CSS2.1
>
> It is valid CSS3 as far as I can tell...
>
> http://www.w3.org/TR/css3-namespace/#css-qnames
>
> ... but the W3 vaildator claims that it's not which looks like a bug
> in the validator to me.
The CSS validator doesn't support namespaces, as far as I know.
Try validating this:
<style>
@namespace a url(http://www.example.com/a);
a|b
</style>
<b xmlns='http://www.example.com/a'>foo</b>
Moreover, I don't think browsers should support namespace selectors
in text/html documents. text/html is not namespace aware (browser do
support them in practice).
Philippe
---
Philippe Wittenbergh
<http://emps.l-c-n.com>
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