# File lib/eim_xml.rb, line 14
                def self.encode(s)
                        s.to_s.gsub(/[&\"\'<>]/) do |m|
                                case m
                                when "&"
                                        "&amp;"
                                when '"'
                                        "&quot;"
                                when "'"
                                        "&apos;"
                                when "<"
                                        "&lt;"
                                when ">"
                                        "&gt;"
                                end
                        end
                end