legalAttrs = {'cdata-section-elements': <Ft.Xml.Xslt.AttributeInfo.QNamesAvt instance>, 'doctype-public': <Ft.Xml.Xslt.AttributeInfo.StringAvt instance>, 'doctype-system': <Ft.Xml.Xslt.AttributeInfo.StringAvt instance>, 'encoding': <Ft.Xml.Xslt.AttributeInfo.StringAvt instance>, 'href': <Ft.Xml.Xslt.AttributeInfo.UriReferenceAvt instance>, 'indent': <Ft.Xml.Xslt.AttributeInfo.YesNoAvt instance>, 'media-type': <Ft.Xml.Xslt.AttributeInfo.StringAvt instance>, 'method': <Ft.Xml.Xslt.AttributeInfo.QNameAvt instance>, 'omit-xml-declaration': <Ft.Xml.Xslt.AttributeInfo.YesNoAvt instance>, 'standalone': <Ft.Xml.Xslt.AttributeInfo.YesNoAvt instance>, ...}