% standard macros for WEB listings (in addition to PLAIN.TEX) \xdef\fmtversion{\fmtversion+WEBMAC4.2} % identifies current set of macros \parskip 0pt % no stretch between paragraphs \parindent 1em % for paragraphs and for the first line of Pascal text \font\eightrm=cmr8 \let\sc=\eightrm % NOT a caps-and-small-caps font! \let\mainfont=\tenrm \font\titlefont=cmr7 scaled\magstep4 % title on the contents page \font\ttitlefont=cmtt10 scaled\magstep2 % typewriter type in title \font\tentex=cmtex10 % TeX extended character set (used in strings) \fontdimen7\tentex=0pt % no extra space after punctuation \def\\#1{\hbox{\it#1\/\kern.05em}} % italic type for identifiers \def\|#1{\hbox{$#1$}} % one-letter identifiers look a bit better this way \def\{\hbox{\bf#1\/}} % boldface type for reserved words \def\.#1{\hbox{\tentex % typewriter type for strings \let\\=\BS % backslash in a string \let\'=\RQ % right quote in a string \let\`=\LQ % left quote in a string \let\{=\LB % left brace in a string \let\}=\RB % right brace in a string \let\~=\TL % tilde in a string \let\ =\SP % space in a string \let\_=\UL % underline in a string \let\&=\AM % ampersand in a string #1}} \def\#{\hbox{\tt\char`\#}} % parameter sign \def\${\hbox{\tt\char`\$}} % dollar sign \def\%{\hbox{\tt\char`\%}} % percent sign \def\^{\ifmmode\mathchar"222 \else\char`^ \fi} % pointer or hat % circumflex accents can be obtained from \^^D instead of \^ \def\AT!{@} % at sign for control text \chardef\AM=`\& % ampersand character in a string \chardef\BS=`\\ % backslash in a string \chardef\LB=`\{ % left brace in a string \def\LQ{{\tt\char'22}} % left quote in a string \chardef\RB=`\} % right brace in a string \def\RQ{{\tt\char'23}} % right quote in a string \def\SP{{\tt\char`\ }} % (visible) space in a string \chardef\TL=`\~ % tilde in a string \chardef\UL=`\_ % underline character in a string \newbox\bak \setbox\bak=\hbox to -1em{} % backspace one em \newbox\bakk\setbox\bakk=\hbox to -2em{} % backspace two ems \newcount\ind % current indentation in ems \def\1{\global\advance\ind by1\hangindent\ind em} % indent one more notch \def\2{\global\advance\ind by-1} % indent one less notch \def\3#1{\hfil\penalty#10\hfilneg} % optional break within a statement \def\4{\copy\bak} % backspace one notch \def\5{\hfil\penalty-1\hfilneg\kern2.5em\copy\bakk\ignorespaces}% optional break \def\6{\ifmmode\else\par % forced break \hangindent\ind em\noindent\kern\ind em\copy\bakk\ignorespaces\fi} \def\7{\Y\6} % forced break and a little extra space \let\yskip=\smallskip \def\to{\mathrel{.\,.}} % double dot, used only in math mode \def\note#1#2.{\Y\noindent{\hangindent2em\baselineskip10pt\eightrm#1~#2.\par}} \def\lapstar{\rlap{*}} \def\startsection{\Q\noindent{\let\*=\lapstar\bf\modstar.\quad}} \def\defin#1{\global\advance\ind by 2 \1\&{#1 }} % begin `define' or `format' \def\A{\note{See also section}} % crossref for doubly defined section name \def\As{\note{See also sections}} % crossref for multiply defined section name \def\B{\mathopen{\.{@\{}}} % begin controlled comment \def\C#1{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi % Pascal comments \XX\hfil\penalty-1\hfilneg\quad$\{\,$#1$\,\}$\XX} \def\D{\defin{define}} % macro definition \def\E{\cdot10^} % exponent in floating point constant \def\ET{ and~} % conjunction between two section numbers \def\ETs{, and~} % conjunction between the last two of several section numbers \def\F{\defin{format}} % format definition \let\G=\ge % greater than or equal sign \def\H#1{\hbox{\rm\char"7D\tt#1}} % hexadecimal constant \let\I=\ne % unequal sign \def\J{\.{@\&}} % TANGLE's join operation \let\K=\gets % left arrow \let\L=\le % less than or equal sign \outer\def\M#1.{\MN#1.\ifon\vfil\penalty-100\vfilneg % beginning of section \vskip12ptminus3pt\startsection\ignorespaces} \outer\def\N#1.#2.{\MN#1.\vfil\eject % beginning of starred section \def\rhead{\uppercase{\ignorespaces#2}} % define running headline \message{*\modno} % progress report \edef\next{\write\cont{\Z{#2}{\modno}{\the\pageno}}}\next % to contents file \ifon\startsection{\bf\ignorespaces#2.\quad}\ignorespaces} \def\MN#1.{\par % common code for \M, \N {\xdef\modstar{#1}\let\*=\empty\xdef\modno{#1}}% remove \* from section name \ifx\modno\modstar \onmaybe \else\ontrue \fi \mark{{{\tensy x}\modno}{\rhead}}} % each \mark is {section reference or null}{group title} \def\O#1{\hbox{\rm\char'23\kern-.2em\it#1\/\kern.05em}} % octal constant \def\P{\rightskip=0pt plus 100pt minus 10pt % go into Pascal mode \sfcode`;=3000 \pretolerance 10000 \hyphenpenalty 10000 \exhyphenpenalty 10000 \global\ind=2 \1\ \unskip} \def\Q{\rightskip=0pt % get out of Pascal mode \sfcode`;=1500 \pretolerance 200 \hyphenpenalty 50 \exhyphenpenalty 50 } \let\R=\lnot % logical not \let\S=\equiv % equivalence sign \def\T{\mathclose{\.{@\}}}} % terminate controlled comment \def\U{\note{This code is used in section}} % crossref for use of a section \def\Us{\note{This code is used in sections}} % crossref for uses of a section \let\V=\lor % logical or \let\W=\land % logical and \def\X#1:#2\X{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi % section name \XX$\langle\,$#2{\eightrm\kern.5em#1}$\,\rangle$\XX} \def\Y{\par\yskip} \let\Z=\let % now you can \send the control sequence \Z \def\){\hbox{\.{@\$}}} % sign for string pool check sum \def\]{\hbox{\.{@\\}}} % sign for forced line break \def\=#1{\kern2pt\hbox{\vrule\vtop{\vbox{\hrule \hbox{\strut\kern2pt\.{#1}\kern2pt}} \hrule}\vrule}\kern2pt} % verbatim string \let\~=\ignorespaces \let\*=* \def\onmaybe{\let\ifon=\maybe} \let\maybe=\iftrue \newif\ifon \newif\iftitle \newif\ifpagesaved \def\lheader{\mainfont\the\pageno\eightrm\qquad\rhead \hfill\title\qquad\mainfont\topsecno} % top line on left-hand pages \def\rheader{\mainfont\topsecno\eightrm\qquad\title\hfill \rhead\qquad\mainfont\the\pageno} % top line on right-hand pages \def\topsecno{\expandafter\takeone\topmark} \def\takeone#1#2{#1} \def\taketwo#1#2{#2} \def\nullsec{\eightrm\kern-2em} % the \kern-2em cancels \qquad in headers \def\page{\box255 } \def\normaloutput#1#2#3{\ifodd\pageno\hoffset=\pageshift\fi \shipout\vbox{ \vbox to\fullpageheight{ \iftitle\global\titlefalse \else\hbox to\pagewidth{\vbox to10pt{}\ifodd\pageno #3\else#2\fi}\fi \vfill#1}} % parameter #1 is the page itself \global\advance\pageno by1} \def\rhead{\.{WEB} OUTPUT} % this running head is reset by starred sections \mark{\noexpand\nullsec{\rhead}} \def\title{} % an optional title can be set by the user \def\topofcontents{\centerline{\titlefont\title} \vfill} % this material will start the table of contents page \def\botofcontents{\vfill} % this material will end the table of contents page \def\contentspagenumber{0} % default page number for table of contents \newdimen\pagewidth \pagewidth=6.5in % the width of each page \newdimen\pageheight \pageheight=8.7in % the height of each page \newdimen\fullpageheight \fullpageheight=9in % page height including headlines \newdimen\pageshift \pageshift=0in % shift righthand pages wrt lefthand ones \def\magnify#1{\mag=#1\pagewidth=6.5truein\pageheight=8.7truein \fullpageheight=9truein\setpage} \def\setpage{\hsize\pagewidth\vsize\pageheight} % use after changing page size \def\contentsfile{CONTENTS} % file that gets table of contents info \def\readcontents{\input CONTENTS} \newwrite\cont \output{\setbox0=\page % the first page is garbage \openout\cont=\contentsfile \global\output{\normaloutput\page\lheader\rheader}} \setpage \vbox to \vsize{} % the first \topmark won't be null \def\ch{\note{The following sections were changed by the change file:} \let\*=\relax} \newbox\sbox % saved box preceding the index \newbox\lbox % lefthand column in the index \def\inx{\par\vskip6pt plus 1fil % we are beginning the index \write\cont{} % ensure that the contents file isn't empty \closeout\cont % the contents information has been fully gathered \output{\ifpagesaved\normaloutput{\box\sbox}\lheader\rheader\fi \global\setbox\sbox=\page \global\pagesavedtrue} \pagesavedfalse \eject % eject the page-so-far and predecessors \setbox\sbox\vbox{\unvbox\sbox} % take it out of its box \vsize=\pageheight \advance\vsize by -\ht\sbox % the remaining height \hsize=.5\pagewidth \advance\hsize by -10pt % column width for the index (20pt between cols) \parfillskip 0pt plus .6\hsize % try to avoid almost empty lines \def\lr{L} % this tells whether the left or right column is next \output{\if L\lr\global\setbox\lbox=\page \gdef\lr{R} \else\normaloutput{\vbox to\pageheight{\box\sbox\vss \hbox to\pagewidth{\box\lbox\hfil\page}}}\lheader\rheader \global\vsize\pageheight\gdef\lr{L}\global\pagesavedfalse\fi} \message{Index:} \parskip 0pt plus .5pt \outer\def\:##1, {\par\hangindent2em\noindent##1:\kern1em} % index entry \let\ttentry=\. \def\.##1{\ttentry{##1\kern.2em}} % give \tt a little room \def\[##1]{$\underline{##1}$} % underlined index item \rm \rightskip0pt plus 2.5em \tolerance 10000 \let\*=\lapstar \hyphenpenalty 10000 \parindent0pt} \def\fin{\par\vfill\eject % this is done when we are ending the index \ifpagesaved\null\vfill\eject\fi % output a null index column \if L\lr\else\null\vfill\eject\fi % finish the current page \parfillskip 0pt plus 1fil \def\rhead{NAMES OF THE SECTIONS} \let\topsecno=\nullsec \message{Section names:} \output{\normaloutput\page\lheader\rheader} \setpage \def\note##1##2.{\hfil\penalty-1\hfilneg\quad{\eightrm##1~##2.}} \linepenalty=10 % try to conserve lines \def\U{\note{Used in section}} % crossref for use of a section \def\Us{\note{Used in sections}} % crossref for uses of a section \def\:{\par\hangindent 2em}\let\*=*\let\.=\ttentry} \def\con{\par\vfill\eject % finish the section names \rightskip 0pt \hyphenpenalty 50 \tolerance 200 \setpage \output{\normaloutput\page\lheader\rheader} \titletrue % prepare to output the table of contents \pageno=\contentspagenumber \def\rhead{TABLE OF CONTENTS} \message{Table of contents:} \topofcontents \line{\hfil Section\hbox to3em{\hss Page}} \def\Z##1##2##3{\line{\ignorespaces##1 \leaders\hbox to .5em{.\hfil}\hfil\ ##2\hbox to3em{\hss##3}}} \readcontents\relax % read the contents info \botofcontents \end} % print the contents page(s) and terminate