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.