}
if (GroovyPage.DEFAULT_NAMESPACE.equals(ns) && tagRegistry.isSyntaxTag(tagName)) {
if (tm.instance instanceof GroovySyntaxTag) {
GroovySyntaxTag tag = (GroovySyntaxTag) tm.instance;
tag.doEndTag();
}
else {
throw new GrailsTagException("Grails tag [" + tagName +
"] was not closed", pageName,
getCurrentOutputLineNumber());