has_name? (REXML::Namespace)

    # File src/rexml/namespace.rb, line 27
                    def has_name?( other, ns=nil )
                            if ns
                                    return (namespace() == ns and name() == other)
                            elsif other.include? ":"
                                    return fully_expanded_name == other
                            else
                                    return name == other
                            end
                    end