For nearly everyone, their use can be replaced by either setLexicalHandler
or setDeclHandler. For the particular case of the Xerces extended properties
I'll loop back round and add specific member methods for those.
parser does not report attribute types, then it must return the value
"CDATA" as stated in the XML 1.0 Recommentation (clause 3.3.3,
"Attribute-Value Normalization")."
and:
"Returns: The attribute's type as a string, or an empty string if the
index is out of range."
Problem found reported by Christoph Anderegg, christoph@anderegg-sommer.ch
and corrected with this commit.