% -*-tex-*-
% tex 1.1
% special definitions
\catcode`\@=11
% subdocument macros fix 

\def\lb{ \li $\bullet$ }

\def\subdocumentmacros#1{\ifs@ubdocument #1 \fi\s@ubdocumentfalse}


%simple line skip
\def\ls{\vskip \baselineskip \noindent}

%vphantom "bug"
\def\sphantom#1{\setbox0=\hbox{#1} \setbox2=\null \ht2=\ht0 \dp2=\dp0 \box2}

% INRS
\def\INRS{INRS-\kern-.1emT\'el\'e\-com\-muni\-ca\-tions}

%check form %will print in proof mode only
\long\def\proofcheck#1{\ifproofmode \par Proofcheck: \par #1 \fi}

\def\comhead#1{\penaltybreak{-1000}{2.8ex}\centerline{\sssheadfont #1}\smallskip\nobreak}

\let\tex = \TeX    % its easier to type
\def\inprint{INRSprint}
\def\mtex{T\kern-.1667em\lower.5ex\hbox{\^E}\kern-.125emX}
\def\texbook{\tex book}
\def\plain{{\it plain}}
\def\intex{INRS\mtex}

\def\vrt{\hbox{\tt\char`\|}} % vertical line
\def\dnArrow{\hbox{\tt\char'14}} % downward arrow
\def\upArrow{\hbox{\tt\char'13}} % upward arrow
\def\]{\hbox{\tt\char`\ }} % visible space

%special boxits

\def\hhboxit#1{\hbox{\vrule\vbox{\hrule\hbox{#1}\hrule}\vrule}}
\def\hvboxit#1{\hbox{\vrule\vbox{\hrule\hbox{\vbox{#1}}\hrule}\vrule}}
\def\vvboxit#1{\vbox{\hrule\hbox{\vrule\vbox{#1}\vrule}\hrule}}
\def\vhboxit#1{\vbox{\hrule\hbox{\vrule\vbox{\hbox{#1}}\vrule}\hrule}}
\let \hh=\hhboxit \let \vh=\vhboxit \let \vv=\vvboxit \let \hv=\hvboxit 



%========== simple forms for prim,plain,ext ended commands =======
\def\pri{\leavevmode\llap{$\bullet$\kern 5pt}\nobreak}
\def\pla{\leavevmode\llap{$\diamond$\kern 5pt}\nobreak}
\def\ext{\leavevmode\llap{$\star$\kern 5pt}\nobreak}

%======== simple multicolumn for symbols and commands 
% must fit on single page and have no inserts
% will be balanced

\newbox\simpgalleybox
\newdimen\simphcolumnsize
\newdimen\simpfirstoffset \simpfirstoffset = 1em
\newtoks\simpcolumnsep \simpcolumnsep = {\vrule\hskip 2em\vrule}
\newcount\simpnumcolumns 
\def\setsimphsize{\setbox0=\hbox{\the\simpcolumnsep}
                     \dimen0= \simpnumcolumns\wd0 %\the\dimen0
                     \advance\dimen0 by -\wd0 %\the\dimen0
                     \advance\dimen0 by \simpfirstoffset
                     \dimen2 = \hcolumnsize %\the\dimen2
                     \advance\dimen2 by -\dimen0 %\the\dimen0
                     \divide\dimen2 by \simpnumcolumns
                     \global\simphcolumnsize = \dimen2
                     }

\def\beginsimplemulticolumn{
       \setbox\simpgalleybox = \vbox\bgroup \hsize\simphcolumnsize}


\def\endsimplemulticolumn{ \egroup \dimen0 = \ht\simpgalleybox
                           \advance\dimen0 by \dp\simpgalleybox
                           \divide\dimen0 by \simpnumcolumns
                           \advance\dimen0 by 0pt % size of split box
                           \count255=1
                           \splitmaxdepth=\maxdepth 
                           \splittopskip=0pt
                           \setbox2 = \vsplit\simpgalleybox to \dimen0
                           \setbox0 = \hbox{\vbox to \dimen0{\unvbox2\vss}}
                           \loop \ifnum \count255 < \simpnumcolumns
                                  \setbox2 = \vsplit\simpgalleybox to\dimen0
                  \setbox0 = \hbox{\unhbox0\the\simpcolumnsep
                                    \vbox to \dimen0{\unvbox2\vss}}
                                  \advance\count255 by 1
                                \repeat
                           \centerline{\box0}}

%use default values
\def\beginthreecolumn{\begincolumns 3}
\def\begintwocolumn{\begincolumns 2}
\def\begincolumns#1{\par\simpnumcolumns= #1
                      \simpfirstoffset = 10pt 
                      \simpcolumnsep = {\hskip 2em}
                      \setsimphsize
                      \beginsimplemulticolumn \obeylines
                      \advance\parskip by 0pt plus 2pt minus 2pt
                      \parindent =0pt}
\let\endthreecolumn=\endsimplemulticolumn
\let\endmulticolumn=\endsimplemulticolumn
\let\endtwocolumn = \endsimplemulticolumn
%command followed by explanation or short example
\newdimen\descrwd \descrwd = 2.5in
\def\bshortcomlist{\begingroup$$\tabskip=1em plus 1fil 
              minus 1fil\halign\bgroup##\dotfill&\quad 
                  \vtop{\hsize \descrwd \veryraggedright\noindent\strut ##\strut} \cr}
\def\eshortcomlist{\crcr \egroup$$\endgroup}


% macros for verbatim scanning
\chardef\bslash=`\\
\chardef\other=12
\def\space{\leavevmode\hskip.5emplus1ptminus1pt\relax}
{\obeyspaces %makes a space active for inside def 
\gdef\ttverbatim{\begingroup
\def|{\char`\|}\catcode`\\=\other
\catcode`\{=\other
\catcode`\}=\other
\catcode`\$=\other
\catcode`\&=\other
\catcode`\#=\other
\catcode`\%=\other
\catcode`\~=\other
\catcode`\_=\other
\catcode`\^=\other
\catcode`\<=\other
\catcode`\>=\other
\parindent0pt\parskip0pt plus1pt%
\obeyspaces\let =\space
\obeylines\tt}}

\def\hendgraf{\endgraf\leavevmode}
\outer\def\begintt{\vskip-\baselineskip$$\let\par=\hendgraf\ttverbatim%
\catcode`\|=0\ttfinish}
{\catcode`\|=0 |catcode`|\=\other% | is temporary escape character
|obeylines% end of line is active
|gdef|ttfinish#1^^M#2\endtt{|vbox{#2}|endgroup$$|vskip-|baselineskip|noindent|ignorespaces}}

{\catcode`\|=\active \gdef\g@et #1|{\gdef\text{#1}#1\endgroup 
                  \ifindexit \makexref \fi \indexitfalse}}

\catcode`\|=\active %defines | as an active character in the entire document
{\obeylines \gdef|{\ttverbatim\spaceskip\ttglue\g@et}}
%\def\ttspace{{\tt\hskip\ttglue}}

%  ========= \ in \beginttverbatim ========
\def\1{\char'134} 

%More useful stuff from TeX manual Header


\def\bull{\vrule height .9ex width .8ex depth -.1ex } % square bullet
\def\SS{{\it SS}} % scriptscript style

% \box\bigdot is a null box with a bullet at its reference point
\newbox\bigdot \newbox\smalldot
\setbox0=\hbox{$\vcenter{}$} % \ht0 is the axis height
\setbox1=\hbox to 0pt{$\hss\bullet\hss$} % bullet is centered on the axis
\setbox\bigdot=\vbox to 0pt{\kern-\ht1 \kern\ht0 \box1 \vss}
\setbox1=\hbox to0pt{$\hss\cdot\hss$} % cdot is centered on the axis
\setbox\smalldot=\vbox to0pt{\kern-\ht1 \kern\ht0 \box1 \vss}
 
% \samplebox makes the outline of a box, with big dot at reference point
\def\samplebox#1#2#3#4{% #1=ht, #2=dp, #3=wd, #4=text
  {\setbox0=\vtop{\vbox to #1{\hbox to #3{}\vss}
      \nointerlineskip
      \vbox to #2{}}% now \box0 has the desired ht, dp, and wd
    \hbox{\copy\bigdot
      \vrule height.2pt depth.2pt width#3%
      \kern-#3%
      \makelightbox
      \kern-#3%
      \raise#1\vbox{\hbox to #3{\hss#4\hss}
        \kern 3pt}}}}

% \sampleglue makes glue between sample boxes
\def\sampleglue#1#2{% #1=width, #2=text
  \vtop{\hbox to #1{\xleaders\hbox to .5\varunit{\hss\copy\smalldot\hss}\hfil}
    \kern3pt
    \tabskip 0pt plus 1fil
    \halign to #1{\hfil##\cr#2\cr}}}


% indexing macros mods of texbook

% there is an interaction between \beginttverbatim and indexing wrt ^ 
% thus change of ^ active to \@ !!!!! 



\def\indxx{\xref}
\def\xref{\relax}
\let\@=\indxx
\newif\ifindexit 

{\obeylines
\gdef\makexref{{\def\space{ }\def^^M{*/*}% spaces are important
\xdef\writeit{\write\ind@file{!\text!\space\string\indpg\space\noexpand\number\pageno.}}\writeit}}}


\def\indexingon{\openlistfile{ind}\def\xref{\indexittrue}}

      
\def\indexingoff{\closelistfile{ind}\def\xref{\relax}}

    
   
% Command description macro
% Format will be 
% \bc
% |<command>|\par-- for input
% nobreak
% Block based description
% bigbreak
\def\beginblockmode {\begingroup\parindent=0pt
        \parskip= \smallskipamount  
        \def\nbr{\par\nobreak\smallskip}
        \let\sbr=\smallbreak
        \let\mbr=\bigbreak
        \let\bbr=\bigbreak}
\def\endblockmode{\par\endgroup}

%multipoint eqalign
\def\multieqalign#1{\,\vcenter{\openup\jot\m@th
  \ialign{&\quad\strut\hfil$\displaystyle{##}$&$\displaystyle
              {{}##}$\hfil\quad&##\crcr#1\crcr}}\,}

\bookstyle
%special changes for this book

\def\cqu{}
\newskip\qsk \qsk=3in plus 1fill
\def\cquote#1#2{\par\vfill\leftskip=\qsk {\it #1}\par\bigskip{\bf #2}}

\def\pslide #1//#2//{\vfill\hslide #1//#2//} 

\def\chapterstartform{\ifodd\pageno \relax\else
                               \line{}{\cqu\par\ejectpage}\fi
                        \gdef\cqu{}\titlepagestyle}
% modification of header format
\def\leftheadertext{\line{\llap{\ssheadfont\folio\qquad}\def\cr{ }CHAPTER 
                     \chnumform: \the\chaptername \hss}}
\def\rightheadertext{\line{\hss\topmark\rlap{\ssheadfont\qquad\folio}}}
\let\chapterhead=\chead
\let\bookstyle=\relax % removes the second try
\input texgraph %POSTCRIPT 
\input inrssl%POSTCRIPT 

\def\textpagestyle{}

\inrsform
\textform
%boxexample
\def\boxexample{
\def\wid{{\tt wd}}
\def\hei{{\tt ht}}
\def\dpt{{\tt dp}}
\def\boxpoint{\setbox2=\hbox{\vrule width 8pt height 3pt depth 5pt} \wd2 =0pt
              \ht2=0pt \dp2=0pt \hskip -8pt \box2}
\setbox4=\hbox{\hei}
\def\vbrule{\vrule width 1pt}
\def\hbrule{\hrule height 1pt}
\setbox0=\hbox to 1.2in{\vbrule$\longleftarrow \hss \wid \hss\longrightarrow$\vbrule}
\setbox8=\vbox to 2in{\offinterlineskip\hbox to \wd4{\hss$\uparrow$\hss}
               \hbox to \wd4{\hss $\Bigg\vert$\hss}\vss
               \hbox to \wd4{\hss \hei\hss}\vss
               \hbox to \wd4{\hss $\Bigg\vert$\hss}
               \hbox to \wd4{\hss$\downarrow$\hss}}
\setbox6=\vbox{\hbox to \wd4{\hss$\uparrow$\hss}
               \hbox to \wd4{\hss \dpt\hss}
               \hbox to \wd4{\hss$\downarrow$\hss}}
\bigbreak\line{\hss
                 \vtop{\copy0 \offinterlineskip
                       \smallskip
                       \hbrule
                       \hbox to \wd0{\vbrule height \ht8 
                                     \boxpoint \hss
                                     \hskip 4pt\copy8 \hss
                                     \vbrule height \ht8}
                       \hbrule 
                       \hbox to \wd0{\vbrule height \ht6 \hss
                                     \copy6 \hss
                                     \vbrule height \ht6}
                       \hbrule
                       } 
                     \vtop{\hrule height 0pt
                           \vskip 1in
                           \hbox{\qquad \vrule height 6pt width 8pt depth 2pt
                                 \quad $\Leftarrow$ Reference Point}
                           \vskip 62pt
                           \hbox{$\Leftarrow$ Baseline}}
                     \hss}\medskip}


\def\ftn{}

\hfuzz=5pt
\let\prule=\relax \let\ptrule=\relax
\marginnotesfalse
\pagetagson

\ejectpage