COMMENT ⊗   VALID 00003 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	% This is the "TEX Beginner's Manual" source text
C00004 00003	\pageno=33
C00013 ENDMK
C⊗;
% This is the "TEX Beginner's Manual" source text

\font\ninerm=amr9  \font\eightrm=amr8  \font\sixrm=amr6 % \font\mc=cmcsc
\font\seal=stan70

\def\TeX{T\kern-.1667em\lower.5ex\hbox{E}\kern-.125em X}
%\def\BoX{B\hbox{\hskip-.05em\raise.35ex\hbox{o}\hskip-.1667em X}}
%\def\GLue{GL\hbox{\hskip-.1667em\raise.54ex\hbox{ue}}}
\def\La{L\kern-.1667em\raise.5ex\hbox{a}\kern-.1em}

\magnification=1200

\def\undertext#1{$\underline{\hbox{#1}}$}
\def\\{{\tt \char'134}}
\def\up{{\sy \char'42}}
\def\down{{\sy \char'43}}
\def\caret{{\char'17}}
\parskip 10pt plus 1pt
\parindent 0pt

\def\cs{{\sl control sequence}} 
\def\css{{\sl control sequences}} 
\def\Css{{\sl Control sequences}}
\def\lbr{{\tt \char'173}}  \def\rbr{{\tt \char'175}}  \def\rrbr{{\tt \char'175\char'175}}
\pageno=33
\font\ttt=amtt9
\leftline{Macros for setting ordinary text}
\vskip-20pt
$$\vbox{\ttt\halign{#\hfil\quad&&#\hfil\quad\cr
\\frenchspacing&\\break&\\bigbreak&\\hidewidth&\\ttraggedright\cr
\\nonfrenchspacing&\\nobreak&\\line&\\multispan\#1&\\leavevmode\cr
\\normalbaselines&\\allowbreak&\\leftline\#1&\\cleartabs&\\hrulefill\cr
\\null&\\filbreak&\\rightline\#1&\\hang&\\dotfill\cr
\\obeyspaces&\\goodbreak&\\centerline\#1&\\textindent\#1&\\downbracefill\cr
\\loop\#1\\repeat&\\eject&\\rlap\#1&\\item&\\upbracefill\cr
\\iterate&\\supereject&\\llap\#1&\\itemitem\cr
\\nointerlineskip&\\smallbreak&\\underbar\#1&\\narrower\cr
\\offinterlineskip&\\medbreak&\\strut&\\raggedright\cr}}$$
\leftline{Macros for setting math}
$$\vbox{\ttt\halign{#\hfil\qquad&&#\hfil\qquad\cr
\\joinrel&\\vphantom&\\openup&\\cases\#1&\\ldots\cr
\\relbar&\\hphantom&\\eqalign\#1&\\matrix\#1&\\cdots\cr
\\Relbar&\\phantom&\\displaylines\#1&\\pmatrix\#1&\\vdots\cr
\\bowtie&\\mathstrut&\\eqalignno\#1&\\bordermatrix\#1&\\ddots\cr
\\models&\\smash&\\leqalignno\#1\cr}}$$
\leftline{Parameters preset by {\tt PLAIN.TEX} that may be reset, with caution}
$$\vbox{\ttt\halign{#\hfil\qquad&&#\hfil\qquad\cr
\\vbadness=1000&\\tracinglostchars=1&\\delimitershortfall=5pt\cr
\\linepenalty=10&\\uchyph=1&\\nulldelimiterspace=1.2pt\cr
\\hyphenpenalty=50&\\newlinechar=-1&\\scriptspace=0.5pt\cr
\\exhyphenpenalty=50&\\delimiterfactor=901&\\parindent=20pt\cr
\\binoppenalty=700&\\showboxbreadth=5&\\parskip=0pt plus 1pt\cr
\\relpenalty=500&\\showboxdepth=3&\\parfillskip=0pt plus 1fil\cr
\\hbadness=1000&\\adjdemerits=10000&\\topskip=10pt\cr
\\clubpenalty=150&\\hfuzz=0.1pt&\\maxdepth=4pt\cr
\\widowpenalty=150&\\vfuzz=0.1pt&\\normalbaselineskip=12pt\cr
\\displaywidowpenalty=50&\\overfullrule=5pt&\\normallineskip=1pt\cr
\\brokenpenalty=100&\\hsize=6.5in&\\jot=3pt\cr
\\predisplaypenalty=10000&\\vsize=8.9in&\\tolerance=200\cr}}$$
$$\vbox{\ttt\halign{#\hfil\quad&&#\hfil\quad\cr
\\doublehyphendemerits=10000&\\belowdisplayskip=12pt plus 3pt minus 9pt\cr
\\finalhyphendemerits=5000&\\belowdisplayshortskip=7pt plus 3pt minus 4pt\cr
\\thinmuskip=3mu&\\smallskipamount=3pt plus 1pt minus 1pt\cr
\\medmuskip={\eightrm 4mu plus 2mu minus 4mu}&\\medskipamount=6pt plus 2pt minus 2pt\cr
\\thickmuskip=5mu plus 5mu&\\bigskipamount=12pt plus 4pt minus 4pt\cr
\\interdisplaylinepenalty=100&\\abovedisplayskip=12pt plus 3pt minus 9pt\cr
\\interfootnotelinepenalty=100&\\abovedisplayshortskip=0pt plus 3pt\cr}}$$
\leftline{Unassigned parameters, set to zero automatically}
$$\vbox{\ttt\halign{#\hfil\qquad&&#\hfil\qquad\cr
\\pausing&\\tracingparagraphs&\\tracingrestores&\\spaceskip\cr
\\tracingonline&\\tracingpages&\\leftskip&\\hoffset\cr
\\tracingmacros&\\tracingoutput&\\rightskip&\\voffset\cr
\\tracingstats&\\tracingcommands&\\tabskip\cr}}$$

\bye

\font\amr=amr9  \font\ammi=ammi9  \font\ambx=ambx9  \font\amti=amti9  
\font\amss=amss10  \font\amssi=amssi10  \font\amsl=amsl9  \font\amsltt=amsltt10
\font\amu=amu10  \font\ambi=ambi10
\font\Dunh=amdunh10  \font\amssbx=amsbx10  \font\amcsc=amcsc10


\leftline{Fonts preloaded and named by {\tt PLAIN.TEX}.}
\leftline{Can be magnified by $\sqrt{1.2}$, $1.2$,
$(1.2)↑2$, $(1.2)↑3$, $(1.2)↑4$, and $(1.2)↑5$.}
\vskip-20pt
$$\vbox{\halign{#\hfil \qquad&\tt #\hfil\enskip&#\hfil\qquad&
\tt #\hfil\enskip&#\hfil\qquad&\tt #\hfil&\enskip#\hfil\cr
\rm roman text&\\tenrm&amr10&\\sevenrm&amr7&\\fiverm&amr5\cr
\bf boldface extended&\\tenbf&ambx10&\\sevenbf&ambx7&\\fivebf&ambx5\cr
\teni math$\;$italic&\\teni&ammi10&\\seveni&ammi7&\\fivei&ammi5\cr
math symbols&\\tensy&amsy10&\\sevensy&amsy7&\\fivesy&amsy5\cr
math extension&\\tenex&amex10\cr
\tt typewriter&\\tentt&amtt10\cr
\sl slanted roman&\\tensl&amsl10\cr
\it text italic&\\tenit&amti10\cr}}$$
\leftline{Fonts preloaded by {\tt PLAIN.TEX} but un-named.}
\leftline{Can be magnified by $\sqrt{1.2}$, $1.2$, and $(1.2)↑2$
(\\magstephalf, \\magstep1, and \\magstep2).}
$$\vbox{\halign{#\hfil\qquad& #\hfil\enskip& #\hfil\enskip& #\hfil\qquad\enskip&
#\hfil\qquad& #\hfil \enskip& #\hfil\cr
\amr roman text&amr9&amr8&amr6&\amss sans serif&amss10&amss8\cr
\ammi math$\;$italic&ammi9&ammi8&ammi6&\amssi sans serif italic&amssi10&amssi8\cr
math symbols&amsy9&amsy8&amsy6&\amsl slanted roman&amsl9&amsl8\cr
\ambx bold face ex.&ambx9&ambx8&ambx6&\ttt typewriter&amtt9&amtt8\cr
\amti text italic&amti9&amti8&amti7&\amsltt slanted typewriter&amsltt10 \cr}}$$
$$\vbox{\halign{#\hfil\quad&\tt #\hfil\qquad\quad&#\hfil\quad&\tt #\hfil\cr
\amu unslanted$\;$text$\;$italic&amu10&\Dunh Dunhill style&amdunh10\cr
bold math italic&ambi10&
\amssbx sans serif bold extended&amssbx10\cr
bold math symbols&ambsy10&
\amcsc CAPS and small caps&amcsc10\cr}}$$\medskip
\leftline{Preloaded in magnified form for titles but un-named.}
%\vskip -20pt
%$$\vbox{\halign{#\hfil\qquad&#\hfil\qquad&#\hfil\cr
%amr7 scaled \\magstep4&
%amtt10 scaled \\magstep2&
%amssbx10 scaled \\magstep2\cr}}$$

\font\amrsf=amr7 scaled\magstep4
\font\amtstf=amtt10 scaled\magstep2
\font\amssst=amssbx10 scaled\magstep2

\centerline{\amrsf amr7 scaled \\magstep4}
\smallskip
\centerline{\amtstf amtt10 scaled \\magstep2}
\smallskip
\centerline{\amssst amssbx10 scaled \\magstep2}

\vfill\eject
\bye