RE: Namespace considerations

> The xs: prefix is predefined, bound to 
> "http://www.w3.org/2001/XMLSchema", 
> so there is no need to 
> bind anything to xs.  I'm trying to remember if we 
> outlawed redefining this prefix - I think not, but I also 
> asked the WG the 
> question, and I will reply here if I find out that I was wrong.
> 
> So under the assumption that you actually can redefine this 
> prefix, if you 
> do not import the schema, these types will not be predefined, 
> and you will 
> get a type error, since the system does not know what types you are 
> referring to.
> 
> Jonathan 
>

That answer is correct for XQuery. I don't recall whether the original
question was about XPath or XQuery. In XPath, all namespace prefixes except
"xml" have to be defined explicitly.

Michael Kay