In coordination with Ingo Schwarze from OpenBSD, the col(1) utility has been cleaned up and up to date to acknowledge both SUSv2-design escape-digit and BSD-style escape-manage-char sequences in the enter stream. The checknr(1) utility has been cleaned up and prolonged to guidance modern-day roff(7) macros, such as synchronizing code from NetBSD and the Heirloom doctools edition. FreeBSD head.