Antoine Quint wrote: > On 3 août 2006, at 00:12, Matthew Raymond wrote: >> Perhaps I'm mistaken, but I was under the impression that >> <xbl:binding xbl:element="[W3C Selector]"> could be used for binding. > > That's right. However, the selector is CSS3 Selectors only, if I > follow the reference in the current XBL2 draft. I think it would be > great if XPath selectors were also accepted for bindings, if only > because XPath is well understood by browsers out there today (well, > at least WebKit, Gecko-based browsers, Opera and Internet Explorer) > and is a core XML technology which XBL is poised to become too. > > Also, XPath is already a W3C recommendation.
There was talk about this on www-style, and I believe there were performance considerations that made XPath suboptimal in comparison to Selectors. You might want to read through the www-style archives regarding this.
