%N xyflush %F $MIR/src/subs/xyio.c
%D Flush out any image changes to disk.
%: image-i/o
%B
FORTRAN call sequence:
        subroutine xyflush(tno)
        implicit none

This flushes any changes to an image to disk.

  Input:
    tno         The handle of the image file.                           
