Plan 9 from Bell Labs’s /usr/web/sources/contrib/fgb/root/sys/src/cmd/aux/mpage/Contrib
--rw-r--r-- bootes sys 1057 Nov 24 1997 mergeps.lex --rw-r--r-- fgb sys 1486 Nov 24 1997 mergeps.txt d-rwxr-xr-x fgb sys 0 Jul 15 2018 mfix --rw-r--r-- bootes sys 1593 Mar 22 1996 mp --rw-r--r-- fgb sys 432 Mar 22 1996 psprint