this works for me. troffms.sty is already in plan9 tex distribution. it is for use with tr2latex. textheight is abit long for letter size.
\documentclass[11pt]{article}
\usepackage{troffms} % <--
\usepackage{graphicx} % others ...
\textheight=8.5in
\begin{document}
\title{Time Travelers' Handbook of 1001 Tense Formations}
\author{Dr. Dan Streetmentioner}
\begin{abstract}
....
