sig
type papersize = Units.unit * float * float
val landscape : Paper.papersize -> Paper.papersize
val a0 : Paper.papersize
val a1 : Paper.papersize
val a2 : Paper.papersize
val a3 : Paper.papersize
val a4 : Paper.papersize
val a5 : Paper.papersize
val a6 : Paper.papersize
val a7 : Paper.papersize
val a8 : Paper.papersize
val usletter : Paper.papersize
end