.REQUIRE "CONTROL"
.STC .REQUIRE "CONTROL"
.STYLE CHAPTER 4,2,2
.flags capitalize
.autosubtitle
.enable levels ,1
.set paragraph 0,1,2
.STC .DISPLAY NUMBER RL
.stc .req "TITLE"
.REQUIRE 'INTROD'
.REQUIRE 'OPERATION'
.REQUIRE 'SWITCHES'
.REQUIRE 'SOURCE'
.REQUIRE 'CASE'
.REQUIRE 'SPECIAL'
.require "HINTS"
.REQUIRE 'COMMAND'
.REQUIRE 'TEXTFORM'
.REQUIRE 'PAGEFORM'
.REQUIRE "PAGEHEAD"
.REQUIRE 'LIST'
.REQUIRE "CHAPTER"
.REQUIRE "SECTHEAD"
.REQUIRE "DISPLAY"
.REQUIRE 'MODESET'
.REQUIRE 'PARAMSET'
.REQUIRE "FLAGS"
.REQUIRE "ENABLE"
.REQUIRE 'ESCAPE'
.REQUIRE "INDEX"
.require "TOC"
.require "EQUATION"
.require "IF"
.require "LIMITS"
.require "fill"
.REQUIRE 'ERRORS'
.REQUIRE 'BUILDING'
.REQUIRE 'CHARAPEN'
.REQUIRE 'COMNAPEN'
.REQUIRE 'printers'
.FILL
.NJ
.APPENDIX ^^INDEX
.LM ;.RM 
.FIGURE 3
.CENTER
(RUNOFF commands appear in upper case.)
.SET PARAGRAPH 0,1,3
.PRINT INDEX
.send toc .REQUIRE 'PREFACE'
.COMMENT END OF TEXT