private static void SetAsExistingTable (XmlElement el, Hashtable existingTables)
{
if (existingTables == null)
return;
ArrayList al = existingTables [el.NamespaceURI] as ArrayList;
if (al == null) {
al = new ArrayList ();
existingTables [el.NamespaceURI] = al;
}
if (al.Contains (el.LocalName))
return;
al.Add (el.LocalName);
}