public RdpPattern StartAttDeriv (RdpPattern p, string local, string ns)
{
Hashtable h = startAtt [p] as Hashtable;
if (h == null) {
h = new Hashtable ();
startAtt [p] = h;
}
XmlQualifiedName qn = GetQName (local, ns);
RdpPattern m = h [qn] as RdpPattern;
if (m == null) {
m = p.StartAttDeriv (local, ns, this);
h [qn] = m;
}
return m;
}
