.\" Copyright (c) 1980 Regents of the University of California.
.\" All rights reserved. The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\" @(#)ul.1 6.2 (Berkeley) 5/7/86
reads the named files (or standard input if none are given)
and translates occurrences of underscores to the sequence
which indicates underlining for the terminal in use, as specified
by the environment variable
option overrides the terminal kind specified in the environment.
is read to determine the appropriate sequences for underlining.
If the terminal is incapable of underlining, but is capable of
a standout mode then that is used instead.
If the terminal can overstrike,
or handles underlining automatically,
If the terminal cannot underline, underlining is ignored.
to indicate underlining onto by a separate line containing appropriate
dashes `\-'; this is useful when you want to look at the underlining
output stream on a crt-terminal.
man(1), nroff(1), colcrt(1)
usually outputs a series of backspaces and underlines intermixed
with the text to indicate underlining. No attempt is made to optimize