SORT ON <number>  Produces incorrect result with negative numbers.

  Clipper Version  1.03 dtd 09/15/90.

  Problem Statement

  When SORT is used on a number field, the result is incorrect if the
  file to be sorted contains negative numbers.

  Cause

  Unknown.

  Work Around(s)

  Unknown. Suggest using the function presented under INDICES to index
  the file and then use COPY.