[xquery-talk] fn:in-scope-prefixes
James A. Robinson
jim.robinson at stanford.edu
Wed Feb 14 05:53:15 PST 2007
The XQuery 1.0 and XPath 2.0 Functions and Operators specification
has this to say about fn:in-scope-prefixes:
11.2.6 fn:in-scope-prefixes
fn:in-scope-prefixes($element as element()) as xs:string*
Summary: Returns the prefixes of the in-scope namespaces for
$element. For namespaces that have a prefix, it returns the prefix
as an xs:NCName. For the default namespace, which has no prefix,
it returns the zero-length string.
it does not promise that the xs:string* response will be distinct values.
Do people have any pointers to anything which might indicate whether or
not the function is or in not supposed to return unique values?
I had originally assumed the set would be unique, but reading that
spec paragraph leaves me unsure.
Jim
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James A. Robinson jim.robinson at stanford.edu
Stanford University HighWire Press http://highwire.stanford.edu/
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