NName(name:Index<String>, ns:Index<Namespace>)
NMulti(name:Index<String>, ns:Index<NamespaceSet>)
NRuntime(name:Index<String>)
NRuntimeLate
NMultiLate(nset:Index<NamespaceSet>)
NAttrib(n:Name)
NParams(n:IName, params:Array<IName>)