internal void PopScope() {
Debug.Assert(this.scopeStack != null, "Push/Pop disbalance");
if (this.scopeStack == null) {
return;
}
for (NamespaceDecl scope = this.scopeStack.Scopes; scope != null; scope = scope.Next) {
this.defaultNS = scope.PrevDefaultNsUri;
}
this.scopeStack = this.scopeStack.Parent;
}