builder_example.rb

<person type="faculty">
  <name>Barbara Liskov</name>
  <contact>
    <phone location="office">617-253-2008</phone>
    <email>liskov@csail.mit.edu</email>
  </contact>
</person>

# Code that generates the above markup:
require 'builder'
b = Builder::XmlMarkup.new(:indent => 2)
b.person(:type => 'faculty') do
  b.name "Barbara Liskov"
  b.contact do
    b.phone(:location => 'office') "617-253-2008"
    b.email "liskov@csail.mit.edu"
  end
end