class RDoc::Generator::POT::POEntry

def merge other_entry
  options = {
    :extracted_comment  => merge_string(@extracted_comment,
                                        other_entry.extracted_comment),
    :translator_comment => merge_string(@translator_comment,
                                        other_entry.translator_comment),
    :references         => merge_array(@references,
                                       other_entry.references),
    :flags              => merge_array(@flags,
                                       other_entry.flags),
  }
  self.class.new(@msgid, options)
end