test now detects integer overflow when evaluating large integers,
rather than silently wrapping around.
+** Improved portability
+
+ nice now works on Darwin 7.7.0 in spite of its invalid definition of NZERO.
+
** New features
stat -f -c %S outputs the fundamental block size (used for block counts).
stat -f's default output format has been changed to output this size as well.
+ stat -f recognizes file systems of type XFS and JFS
* Major changes in release 5.3.0 (2005-01-08) [unstable]