>>>>> "David" == David Carlisle <davidc@xxxxxxxxx> writes:

    >> select="doc(concat(data:,text/xml,encode-for-uri($string)))"
    David>
    David> select="doc(concat('data:,text/xml',encode-for-uri($string)))"

    >> However the set of http schemes supported by a processor
    David>   However the set of URI schemes supported by a processor

Are you going to spoil everybody's fun by correcting your own spelling
mistakes now? Spoilsport!

On a more serious note, I note that you, Michael and I have each
chosen a different one of the three XPath 2.0 escaping/encoding
functions. 
-- 
Colin Adams
Preston Lancashire