RE: [xml-dev] W3C XFrames - first public WD published

>I suppose the debug process could arguably be harder -- if you debug 
>by validation and not sight, that should eliminate most of it.

Yeah, that's true, although I think that egregious bugs, not to mention
hard to resolve, turn out to be bugs thrown by integration of various
technologies/standards, i.e. xhtml with css1, with ecmascript etc. And
this still seems to be more of an art than science to me.