class CFPropertyList::CFDictionary

def to_xml
  n = LibXML::XML::Node.new('dict')
  @value.each_pair do
    |key,value|
    k = LibXML::XML::Node.new('key') << LibXML::XML::Node.new_text(key)
    n << k
    n << value.to_xml
  end
  return n
end