%N keyprsnt %F $MIR/src/subs/key.c
%D Determine if a keyword is present on the command line.
%P pjt
%: user-input, command-line
%B
FORTRAN call sequence:
        logical function keyprsnt(key)
        character key*(*)

   Determine if a parameter is still present.

   Input:
     key        The keyword to check.

   Output:
     keyprsnt   Is .TRUE. if the keyword is present; .FALSE. otherwise.
 
