| SAXONICA | 
Namespaces defined in the XSLT, XPath, and XQuery specifications now generally begin
            http://www.w3.org/2005/04/.... However, for the xpath-datatypes namespace, the following
            namespace URIs are recognized:
         
http://www.w3.org/2005/04/xpath-datatypes
http://www.w3.org/2005/02/xpath-datatypes
http://www.w3.org/2004/10/xpath-datatypes
http://www.w3.org/2004/07/xpath-datatypes
Saxon treats older versions of the namespace as synonyms for the current (2005/04) namespace
            when matching type names appearing as an AtomicType in the SequenceType production and in the names of constructor functions.
            If types in the xdt namespace are used during schema validation of source or result documents, however,
            the current (2005/04) namespace must be used. Constructs that use these type names to refer to type annotations
            on nodes, for example attribute(*, xdt:anyAtomicType) must also use the current namespace.
         
The namespace for error codes is hardly used, but it is nominally
            http://www.w3.org/2004/07/xqt-errors. Unlike the others, this namespace
            has not been changed in successive working drafts.
         
All bugs registered in SourceForge against version 8.3 and earlier have been cleared.