Changes in release 4.01:
[4.0.34]
* fix a bug (introduced in 4.0z) that made `chown 123:456 file' act like
- `chown 123:123 file'. Other uses with a numeric group ID would make
- chown improperly fail.
+ `chown 123:123 file'. Other uses with a numeric group ID would cause
+ chown to fail when it shouldn't have.
* the chown and chgrp programs preserve set-uid and set-gid bits, even on
systems for which the chown function call resets those bits.
* `ls -L dangling-symlink' now fails (per POSIX) rather than printing the