On Wed Jul  7 16:49:59 EDT 2004, boyd@sdgm.net wrote:
> is there any doc or examples on this macro package?

ethel% ls -l /sys/lib/tmac/tmac.bits
--rw-rw-r-- M 1240870 ken doc 1089 Nov  6  1990 /n/emelie/sys/lib/tmac/tmac.bits
ethel%

Looks like a dreg brought over from the 10th Edition UNIX when the Plan 9 filesystem
was initially populated.

Attached is the 10th Edition mbits(6) page.