[TUHS] troff doc discovery

[Steffen Nurpmeso]

Steve Simon wrote in
 <9FB0FDE6-6EF1-42F9-A200-FDAA916C0525 at quintile.net>:
 |i always liked the approach of the plan9 script, bayesian in its approach \
 |(perhaps).
 |
 |it is also admirably short.

Looking at

  #?0|kent:9front.git$ git show origin/front:rc/bin/doctype

it seems to me a UNIX/POSIX sh(1) with getopt plus the same
grep|sort|awk pipe is not outperformed here.

--steffen
|
|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)