PTI(1) — UNIX Programmer’s Manual
NAME
pti − phototypesetter interpreter
SYNOPSIS
pti [ file ... ]
DESCRIPTION
Pti shows the commands in a stream from the standard output of troff(1) using troff’s −t option, interpreting them as they would act on the typesetter. Horizontal motions shows as counts in internal units and are marked with ‘<’ and ‘>’ indicating left and right motion. Vertical space is called lead and is also indicated.
SEE ALSO
BUGS
Too cryptic for normal users, who should use “troff −a ...”.
4BSD