%N pgbegin %F $MIR/src/pgbegin.f
%D Non-standard alias for PGBEG
%B
      INTEGER FUNCTION PGBEGIN (UNIT, FILE, NXSUB, NYSUB)
      INTEGER       UNIT
      CHARACTER*(*) FILE
      INTEGER       NXSUB, NYSUB

 See description of PGBEG.   
