This interface allows one to retrieve an instance of XSLoader.
This interface should be implemented on the same object that implements
DOMImplementation.
Creates a new XSLoader. The newly constructed loader may then be
configured and used to load XML Schemas.
param
versions A list containing the versions of XML Schema
documents which can be loaded by the XSLoader or
null to permit XML Schema documents of any recognized
version to be loaded by the XSLoader.
return
An XML Schema loader.
exception
XSException
NOT_SUPPORTED_ERR: Raised if the implementation does not support one
of the specified versions.
