[uw.mfcf.software] typeset: various fixes

fhgunn@watmath.waterloo.edu (Fraser Gunn) (08/28/89)

Fixed infinite loop in find_printcap_type().
Added DEC scriptprinter|sp|ln03r to list of known printers.
Added -Tlt and -Plt for the linotronic300 postscript typesetter.
Updated wired in pathname of the hostin command.

Installed on math and water for testing.