.\" 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). .\" .\" @(#)ae9 8.1 (Berkeley) 6/8/93 .\" .SH Acknowledgement .PP I am grateful to Ted Dolotta for his careful reading and valuable suggestions. .SH References .IP [1] Brian W. Kernighan, .ul A Tutorial Introduction to the UNIX Text Editor, Bell Laboratories internal memorandum. .IP [2] Brian W. Kernighan, .ul UNIX For Beginners, Bell Laboratories internal memorandum. .IP [3] Ken L. Thompson and Dennis M. Ritchie, .ul The UNIX Programmer's Manual. Bell Laboratories.