nodeMustBe

# File lib/xmlrpc/parser.rb, line 203
      def nodeMustBe(node, name)
        cmp = case name
        when Array
          name.include?(node.nodeName)
        when String
          name == node.nodeName
        else
          raise "error"
        end

        if not cmp then
          raise "wrong xml-rpc (name)"
        end

        node
      end