'Create and return an new schema object using the
specified I{root} and I{url}.
@param root: A schema root node.
@type root: L{sax.element.Element}
@param baseurl: A base URL.
@type baseurl: str
@param options: An options dictionary.
@type options: L{options.Options}
@return: The newly created schema object.
@rtype: L{Schema}
@note: This is only used by Import children.'

def instance(self, root, baseurl, options):

    return Schema(root, baseurl, options)
