# File src/rexml/functions.rb, line 68
                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