# File src/rexml/functions.rb, line 210
                def Functions::normalize_space( string=nil )
                        string = string(@@node) if string.nil?
                        if string.kind_of? Array
                                string.collect{|x| string.to_s.strip.gsub(/\s+/um, ' ') if string}
                        else
                                string.to_s.strip.gsub(/\s+/um, ' ')
                        end
                end