+The eleet, upside-down, chef, and b1ff filters were written by Joey
+Hess <joey@kitenet.net>. Daniel V Klein <dvk@lonewolf.com> wrote the
+cockney, jive, and nyc filters. jibberish is by Raul Miller
+<rdm@test.legislate.com>, jethro is by Duane Paulson
+<ci922@cleveland.freenet.edu>, rasterman is by Zachary Beane, ken is by
+Stephen K Mulrine <skm@eqsn.net> and kraut is by John Sparks.