| Resolves a namespace prefix to the corresponding namespace URI.
This method is used for resolving prefixes in the
XmlString.value (such as when
XmlString.value represents a QName type.)
If the prefix is "" (empty string), the method
returns the default namespace URI.
If the prefix is "xml", then the method returns
"http://www.w3.org/XML/1998/namespace",
as defined in the XML Namespaces Recommendation.
namespace URI of this prefix.If the specified prefix is not declared,the implementation returns null. |