anchor.diff:  loads additional environment variables from the file
   *env.*
   Each line is subjected to posix-shell expansion by
  -'wordexp(3).'
  +*wordexp*(3).
   Comment lines starting by a #-sign are ignored.
   icewm-session will load those expanded lines which
   contain a name, followed by an equals sign,
  
positive.code: 
  SEE ALSO
  --------
  icewmbg(1),
  Xorg(1),
  Xserver(1),
  xinit(1),
  xprop(1),
  xwininfo(1),
  wmctrl(1).
  
  'IceWM Help'
  from the IceWM menu contains a manual (somewhat outdated, but still useful).
  
negative.code: 
  *DISPLAY=NAME*::
  The name of the X11 server.
  See *Xorg*(1) or *Xserver*(1).
  This value can be overridden by the --display option.
  
  *MAIL=URL*::
  