Authors of GNU wdiff.

The following contributions warranted legal paper exchanges with the
Free Software Foundation.  Also see files ChangeLog and THANKS.

DIFF    Wayne Davison   1993-06-20
Disclaims diffcvt.c.

WDIFF   Francois Pinard         (Canada 1949)   1993-01-15
Assigns wdiff.

DIFFUTILS  Denver Gingerich        Canada, 1985    2007-06-25
Assigns wdiff.

WDIFF      Martin von Gagern       Germany, 1981   2009-04-24
Assigns wdiff.
