Major changes in release 1.5:
* sort is 8-bit clean
* sort's -n and -M options no longer imply -b
* several bugs in sort have been fixed
* all programs accept --help and --version options
* od --compatible accepts pre-POSIX arguments
* pr -2a terminates

Major changes in release 1.4:
* add od and cksum programs
* move cmp to GNU diff distribution
* tail -f works for multiple files
* pr prints the file name in error messages
* fix some off by 1 errors in pr and fold
* optimize wc -c on regular files
* sort handles `-' argument correctly
* sort supports -T option
* tr ranges like a-a work
* tr x '' fails gracefully
* default sum output format is BSD compatible
* paste -d '' works