get_namespace (REXML::Functions)

    # File temp/functions.rb, line 74
                    def Functions::get_namespace( node_set = nil )
                            if node_set == nil
                                    yield @@node if defined? @@node.namespace
                            else
                                    if node_set.namespace
                                            yield node_set
                                    else
                                            return unless node_set.kind_of? Enumerable
                                            node_set.each { |node| yield node if defined? node.namespace }
                                    end
                            end
                    end