.\" This module is believed to contain source code proprietary to AT&T. .\" Use and redistribution is subject to the Berkeley Software License .\" Agreement and your Software Agreement with AT&T (Western Electric). .\" .\" @(#)ttack 8.1 (Berkeley) 6/8/93 .\" .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. .IP [6] Eric P. Allman, .ul Writing Papers with NROFF using -me, University of California, Berkeley.