var encoding/xml.unmarshalerAttrType

3 uses

	encoding/xml (current package)
		read.go#L253: 	if val.CanInterface() && val.Type().Implements(unmarshalerAttrType) {
		read.go#L260: 		if pv.CanInterface() && pv.Type().Implements(unmarshalerAttrType) {
		read.go#L303: 	unmarshalerAttrType = reflect.TypeOf((*UnmarshalerAttr)(nil)).Elem()