.\" $Copyright:	$
.\" Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989, 1990 
.\" Sequent Computer Systems, Inc.   All rights reserved.
.\"  
.\" This software is furnished under a license and may be used
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...
. \" $Header: ttack 1.2 86/03/06 $
.SH
Acknowledgements
.PP
I am deeply indebted to J. F. Ossanna,
the author of
.UL troff ,
for his repeated patient explanations
of
fine points,
and for his continuing willingness to
adapt
.UL troff
to make other uses easier.
I am also grateful to Jim Blinn, Ted Dolotta,
Doug McIlroy, Mike Lesk and Joel Sturman
for helpful comments on this paper.
.SH
References
.LP
.IP [1]
J. F. Ossanna,
.ul
.UC NROFF/TROFF
User's Manual,
Bell Laboratories
Computing Science Technical Report 54, 1976.
.IP [2]
B. W. Kernighan,
.ul
A System for Typesetting Mathematics _ User's Guide
.ul
(Second Edition),
Bell Laboratories
Computing Science Technical Report 17, 1977.
.IP [3]
M. E. Lesk,
.ul
TBL _ A Program to Format Tables,
Bell Laboratories
Computing Science Technical Report 49, 1976.
.IP [4]
M. E. Lesk,
.ul
Typing Documents on UNIX,
Bell Laboratories, 1978.
.IP [5]
J. R. Mashey and D. W. Smith,
.ul
PWB/MM _
.ul
Programmer's Workbench Memorandum Macros,
Bell Laboratories internal memorandum.
