git: 9front

ref: fbfccbf681fbd951c8484b9bbad8d0cccf2bf0cf
dir: /sys/lib/troff/term/

tab.37
tab.450
tab.450-12
tab.dumb
tab.i300
tab.lp
tab.post
tab.think
tab.thinkbold
tab.thinksmall
tab.utf