Bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla
bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla
bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla.
.TS
expand;
l l l l.
a	bb	ccc	dddd
.TE
.TS
expand allbox;
l l l l.
a	bb	ccc	dddd
.TE
.TS
expand;
llll|.
_
a	bb	ccc	dddd
_
.TE
\(-> Heirloom: Too narrow
.TS
expand;
|llll|.
_
a	bb	ccc	dddd
_
.TE
\(-> Heirloom: Nearly correct (a little bit too narrow)
.TS
expand;
|llll.
_
a	bb	ccc	dddd
_
.TE
\(-> Heirloom: Too wide!
.TS
llll.
a	bb	ccc	dddd
.TE
.TS
lx lx l l.
a	bb	ccc	dddd
.TE
.TS
allbox;
lx lx l l.
a	bb	ccc	dddd
.TE
.TS
allbox;
l l l lx.
a	bb	ccc	dddd
.TE