is_valid         1807 ext/dom/document.c 	int                     is_valid;
is_valid         1871 ext/dom/document.c 	is_valid = xmlSchemaValidateDoc(vptr, docp);
is_valid         1875 ext/dom/document.c 	if (is_valid == 0) {
is_valid         1907 ext/dom/document.c 	int                     is_valid;
is_valid         1964 ext/dom/document.c 	is_valid = xmlRelaxNGValidateDoc(vptr, docp);
is_valid         1968 ext/dom/document.c 	if (is_valid == 0) {