.nf
.sp 2
.TS
box;
c c c
l l l.
four	score	and
seven	years	ago
our	fathers	brought
forth	on	this
continent	a	new
nation	conceived	in
.TE
.sp 2
.TS
allbox;
c s s
c c c
n n n.
Macbeth
Act	Scene	Line
1	2	3
1	2.1	3.4
1	4.3	12
1	5	19.23
2	5	0.1
3	10	xxx
3	10	10
10	2.2
.TE
.sp
.TS
box;
c s s
c |c |c
l |l |n.
Bell System JSPEC
=
Part	Date	Usage
_
how	January	250
where	February	125
_
		30
Description	March	_
		200
_
xxx	yyy	Zzz
abc	def	12
.TE
.sp
.TS
box;
c s s
c | c | c
c | c   c.
Confusion
=
Abc	Def	Ghi
_	_
JK	LM	NO
P	Q	R
.TE
.sp
.TS
box;
l l l
l l -
l l | l
l l -
l l l.
january	february	march
april	may
june	july	august
september	october
november	december	january
.TE
.sp
.TS
box;
l l |l
l - |=
l l |l
= l |-
l |l |l
l - |l.
four	score	and
seven
years	ago	our
fathers	brought
forth	on	this
continent		a
.TE
