anchor.diff:  corpname,TRUE,,lcnaf,,"George N. Fletcher & Sons (Alpena, Mich.)"
   corpname,TRUE,,lcnaf,,Alpena Sulphate Fibre Company.
   corpname,TRUE,,lcnaf,,Hinda (Ship)
  -corpname,TRUE,,,,"Portland Cement Company (Alpena, Mich.)"
  +corpname,TRUE,,lcnaf,,"Portland Cement Company (Alpena, Mich.)"
   corpname,TRUE,,lcnaf,,Stephen C. Hall (Ship)
   corpname,TRUE,,lcnaf,,"Stone, Atwood & Company (Flint, Mich.)"
   corpname,TRUE,,lcnaf,,"Stone Woolen Mills (Flint, Mich.)"
  
positive.code: corpname,TRUE,,lcnaf,,"Church of the Messiah (Detroit, Mich.)"
  corpname,TRUE,,lcnaf,,Metropolitan Christian Council (Detroit-Windsor)
  corpname,TRUE,,lcnaf,,"First United Methodist Church of Ann Arbor (Ann Arbor, Mich.)"
  corpname,TRUE,,,,Michigan Historical Collection
  corpname,TRUE,,lcnaf,,Michigan Historic Preservation Network.
  corpname,TRUE,http://id.loc.gov/authorities/names/n83029012,lcnaf,,University of Michigan. Mental Health Research Institute.
  corpname,TRUE,http://id.loc.gov/authorities/names/no99046678,lcnaf,,Michigan Alliance of Cooperatives.
  
negative.code: corpname,TRUE,,lcnaf,,Read the Spirit (Web site)
  corpname,TRUE,,lcnaf,,Renewal Ministries (Organization)
  corpname,TRUE,,lcnaf,,"St. Matthew's & St. Josephâ€™s Episcopal Church (Detroit, Mich.)"
  corpname,TRUE,http://id.loc.gov/authorities/names/n50082514,lcnaf,,John Birch Society.
  corpname,TRUE,,lcnaf,,University of Michigan. Residential College Players.
  corpname,TRUE,,lcnaf,,University of Michigan. Residential College Writers Group.
  