ASORT()           Array sort with NIL elements out of order.

  Clipper Version  1.03 dtd 09/15/90.

  Problem Statement

  When ASORT() is used on an array containing NIL elements, the last
  non-NIL data will appear in the last element; e.g., AA, BB, NIL,
  NIL, CC.

  Cause

  Unknown.

  Work Around(s)

  After sorting an array which contains NIL elements, perform the
  following operation:

      FOR i = LEN(aArray) TO 1 STEP -1
        IF aArray[i] = NIL
          ADEL(aArray,i)
        ENDIF
      NEXT

  which will place all NIL elements at the end of the array; e.g.,
  AA, BB, CC, NIL, NIL.