Saxon XSLT and XQuery Processor

A spurious syntax error is reported when a user-defined
function is declared with no return type, for example:

define function uf:depth($node)
{
if (node-kind($node) = 'document')
then 0
else 1 + uf:depth($node/..)
}

Reported by Juliane Harbarth.

Circumvention: declare a return type ("as xs:integer"
in this example).

Source code fixed.