.tr _\(em.de UL.if n .ul.if n \\$3\\$1\\$2.if t \\$3\f3\\$1\fP\\$2...de IT.if t \\$3\f2\\$1\fP\\$2.if n .ul.if n \\$3\\$1\\$2...de UI\f3\\$1\fI\\$2\fR\\$3...de P1.if n .ls 1.nf.if n .ta 5 10 15 20 25 30 35 40 45 50 55 60.if t .ta .3i .6i .9i 1.2i 1.5i 1.8i.tr -\-.		use first argument as indent if present.if \\n(.$ .DS I \\$1.if !\\n(.$ .DS I 5...de P2.DE.tr --.if n .ls 2...if t .ds B \s6\|\v'.1m'\(sq\v'-.1m'\|\s0.if n .ds B [].if t .ds m \(mi.if n .ds m -.if t .ds n \(no.if n .ds n -.if t .ds s \v'.41m'\s+4*\s-4\v'-.41m'.if n .ds s *.if t .ds S \(sl.if n .ds S /.if t .ds d \s+4\&.\&\s-4.if n .ds d \&.\&.if t .ds a \z@@.if n .ds a @.if t .ds . \s+2\fB.\fP\s-2.if n .ds . ..if t .ds e \z\e\h'2u'\e.if n .ds e \e.hy 14.	2=not last lines; 4= no -xx; 8=no xx-.tr *\(**