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1.1 root 1: .TH UL 1 "18 January 1983"
2: .UC 4
3: .SH NAME
4: ul \- do underlining
5: .SH SYNOPSIS
6: .B ul
7: [
8: .B \-i
9: ] [
10: .B \-t
11: .I terminal
12: ]
13: [
14: .I name
15: \&...
16: ]
17: .SH DESCRIPTION
18: .I Ul
19: reads the named files (or standard input if none are given)
20: and translates occurrences of underscores to the sequence
21: which indicates underlining for the terminal in use, as specified
22: by the environment variable
23: TERM.
24: The
25: .B \-t
26: option overrides the terminal kind specified in the environment.
27: The file
28: .I /etc/termcap
29: is read to determine the appropriate sequences for underlining.
30: If the terminal is incapable of underlining, but is capable of
31: a standout mode then that is used instead.
32: If the terminal can overstrike,
33: or handles underlining automatically,
34: .I ul
35: degenerates to
36: .IR cat (1).
37: If the terminal cannot underline, underlining is ignored.
38: .PP
39: The
40: .B \-i
41: option causes
42: .I ul
43: to indicate underlining onto by a separate line containing appropriate
44: dashes `\-'; this is useful when you want to look at the underlining
45: which is present in an
46: .I nroff
47: output stream on a crt-terminal.
48: .SH "SEE ALSO"
49: man(1), nroff(1), colcrt(1)
50: .SH AUTHOR
51: Mark Horton wrote
52: .IR ul .
53: The
54: .B \-i
55: option was originally a option of the editor
56: .IR ex (1),
57: then an
58: .I iul
59: command.
60: .SH BUGS
61: .I Nroff
62: usually outputs a series of backspaces and underlines intermixed
63: with the text to indicate underlining. No attempt is made to optimize
64: the backward motion.
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