class Nokogiri::XML::NodeSet

def == other

element in the other NodeSet
of elements and if each element is equal to the corresponding
Equality -- Two NodeSets are equal if the contain the same number
## 
def == other
  return false unless other.is_a?(Nokogiri::XML::NodeSet)
  return false unless length == other.length
  each_with_index do |node, i|
    return false unless node == other[i]
  end
  true
end