#!/usr/bin/env ruby

require 'rexml/document'
include REXML

doc = Document.new 
doc << XMLDecl.new

doc.add_element 'root'

doc.root.add_element 'a', { 'v' => 'x & y' }

e = doc.root.add_element 'b'
e.attributes['v'] = 'x & y'

s = doc.to_s
print "XML doc in string form:\n#{s}\n"