class REXML::Formatters::Conservative

def write_element( node, output )
  output << "<#{node.expanded_name}"
  node.attributes.each_attribute do |attr|
    output << " "
    attr.write( output )
  end unless node.attributes.empty?
  if node.children.empty?
    output << "/"
  else
    output << ">"
    node.children.each { |child|
      write( child, output )
    }
    output << "</#{node.expanded_name}"
  end
  output << ">"
end