%N hdelete %F $MIR/src/subs/hio.c
%D Delete an item from a data-set.
%P pjt
%: low-level-i/o
%B
FORTRAN call sequence
        subroutine hdelete(tno,keyword,iostat)
        integer tno,iostat
        character keyword*(*)

  This deletes an item from a Miriad data-set. The item must not be "accessed"
  when the hdelete routine is called.

  Input:
    tno         The handle of the data set.
    keyword     The name of the item.
  Output:
   iostat       I/O status indicator. 0 indicates success. Other values
                are standard system error numbers.                      
