- cleanqp: leave origignal charset something like
  X-Orig-Content-Type: text/plain; charset=iso-8859-1
  Also, limit cleaqp filtering to han.* newsgroups only.
  Suggested by Jungshik Shin <jshin@pantheon.yale.edu>, Jan 3, 1998
  
  Leave X-Orig-Subject: header if necessary.
  And exclude han.test from the filtering
  Suggested by cdpark@jupiter.kaist.ac.kr  Jan 4, 1998
