Porting to Xml database:
  Juernjakob Harder <juernjakob.harder@gmail.com>

Authors:
  Kouhei Sutou  <kou@cozmixng.org>
  Hiroyuki Ikezoe <poincare@ikezoe.net>
  Takuro Ashie <ashie@homa.ne.jp>

Porting to Ruby and C (Not in active):
  Hiroaki Nakamura <hnakamur@good-day.co.jp>

Original code written in perl (Not in active):
  Hiroyuki Komatsu <komatsu@taiyaki.org>
