It now consistently adjusts out-of-range nice values to the
closest values in range; formerly it sometimes reported an error.
+ pathchk no longer accepts trailing options, e.g., "pathchk -p foo -b"
+ now treats -b as a file name to check, not as an invalid option.
+
printf has several changes:
It now uses 'intmax_t' (not 'long int') to format integers, so it
who now prints user names in full instead of truncating them after 8 bytes.
+ The following commands now reject unknown options instead of
+ accepting them as operands, so that users are properly warned that
+ options may be added later. Formerly they accepted unknown options
+ as operands; e.g., "basename -a a" acted like "basename -- -a a".
+
+ basename dirname factor hostname link nohup sync unlink yes
+
** New features
For efficiency, `sort -m' no longer copies input to a temporary file