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Re: zero-length string namespaces URI

Michael Kay mhk at mhk.me.uk
Wed Sep 28 23:39:02 PDT 2005

> Testing this with Saxon :
> declare namespace local="";
> declare function local:depth($e as node()) as xs:integer
> {
>     (: A node with no children has depth 1 :)
>     (: Otherwise, add 1 to max depth of children :)
>     if (fn:empty($e/*)) then 1
>     else fn:max(for $c in $e/* return local:depth($c)) + 1
> };
> local:depth(<a><b><c/></b></a>)
> returns :
> XPST0003: XQuery syntax error in #declare namespace local="";#:
> A namespace URI cannot be empty

Thanks for reporting this: a feature that slipped through the net and hasn't
been implemented. Now fixed.

Michael Kay


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