public Object repeatTag() { return null; }
public Sequence tryResolveTag(Production p) {
if (p.tag==null) return null;
return Sequence.rewritingSequence(p.tag, p.elements, p.drops);
}
public Object repeatTag() { return null; }
public Sequence tryResolveTag(Production p) {
if (p.tag==null) return null;
return Sequence.rewritingSequence(p.tag, p.elements, p.drops);
}