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+% A testbed for font evaluation (see The METAFONTbook, Appendix H)
+
+\tracinglostchars=0
+\tolerance=1000
+\raggedbottom
+\nopagenumbers
+\parindent=0pt
+\newlinechar=`@
+\hyphenpenalty=200
+\doublehyphendemerits=30000
+\hyphenation{prom-i-nent}
+
+\newcount\m \newcount\n \newcount\p \newdimen\dim
+\chardef\other=12
+
+\def\today{\ifcase\month\or
+ January\or February\or March\or April\or May\or June\or
+ July\or August\or September\or October\or November\or December\fi
+ \space\number\day, \number\year}
+\def\hours{\n=\time \divide\n 60
+ \m=-\n \multiply\m 60 \advance\m \time
+ \twodigits\n\twodigits\m}
+\def\twodigits#1{\ifnum #1<10 0\fi \number#1}
+
+\def\init{\message{@Name of the font to test = }
+ \read-1 to\fontname \startfont
+ \message{Now type a test command (\string\help\space for help):}}
+\def\startfont{\font\testfont=\fontname \spaceskip=0pt
+ \leftline{\sevenrm Test of \fontname\unskip\ on \today\ at \hours}
+ \medskip
+ \testfont \setbaselineskip
+ \ifdim\fontdimen6\testfont<10pt \rightskip=0pt plus 20pt
+ \else\rightskip=0pt plus 2em \fi
+ \spaceskip=\fontdimen2\testfont % space between words (\raggedright)
+ \xspaceskip=\fontdimen2\testfont \advance\xspaceskip by\fontdimen7\testfont}
+
+{\catcode`\|=0 \catcode`\\=\other
+|gdef|help{|message{%
+\init switches to another font;@%
+\end or \bye finishes the run;@%
+\table prints the font layout in tabular format;@%
+\text prints a sample text, assuming TeX text font conventions;@%
+\sample combines \table and \text;@%
+\mixture mixes a background character with a series of others;@%
+\alternation interleaves a background character with a series;@%
+\alphabet prints all lowercase letters within a given background;@%
+\ALPHABET prints all uppercase letters within a given background;@%
+\series prints a series of letters within a given background;@%
+\lowers prints a comprehensive test of lowercase;@%
+\uppers prints a comprehensive test of uppercase;@%
+\digits prints a comprehensive test of numerals;@%
+\math prints a comprehensive test of TeX math italic;@%
+\names prints a text that mixes upper and lower case;@%
+\punct prints a punctuation test;@%
+\bigtest combines many of the above routines;@%
+\help repeats this message;@%
+and you can use ordinary TeX commands (e.g., to \input a file).}}}
+
+\def\setbaselineskip{\setbox0=\hbox{\n=0
+\loop\char\n \ifnum \n<255 \advance\n 1 \repeat}
+\baselineskip=6pt \advance\baselineskip\ht0 \advance\baselineskip\dp0 }
+
+\def\setchar#1{{\escapechar-1\message{\string#1 character = }%
+ \def\do##1{\catcode`##1=\other}\dospecials
+ \read-1 to\next
+ \expandafter\finsetchar\next\next#1}}
+\def\finsetchar#1#2\next#3{\global\chardef#3=`#1
+ \ifnum #3=`\# \global\chardef#3=#2 \fi}
+\def\promptthree{\setchar\background
+ \setchar\starting \setchar\ending}
+
+\def\mixture{\promptthree \domix\mixpattern}
+\def\alternation{\promptthree \domix\altpattern}
+\def\mixpattern{\0\1\0\0\1\1\0\0\0\1\1\1\0\1}
+\def\altpattern{\0\1\0\1\0\1\0\1\0\1\0\1\0\1\0\1\0}
+\def\domix#1{\par\chardef\0=\background \n=\starting
+ \loop \chardef\1=\n #1\endgraf
+ \ifnum \n<\ending \advance\n 1 \repeat}
+
+\def\!{\discretionary{\background}{\background}{\background}}
+\def\series{\promptthree \!\doseries\starting\ending\par}
+\def\doseries#1#2{\n=#1\loop\char\n\!\ifnum\n<#2\advance\n 1 \repeat}
+\def\complower{\!\doseries{`a}{`z}\doseries{'31}{'34}\par}
+\def\compupper{\!\doseries{`A}{`Z}\doseries{'35}{'37}\par}
+\def\compdigs{\!\doseries{`0}{`9}\par}
+\def\alphabet{\setchar\background\complower}
+\def\ALPHABET{\setchar\background\compupper}
+
+\def\lowers{\docomprehensive\complower{`a}{`z}{'31}{'34}}
+\def\uppers{\docomprehensive\compupper{`A}{`Z}{'35}{'37}}
+\def\digits{\docomprehensive\compdigs{`0}{`4}{`5}{`9}}
+\def\docomprehensive#1#2#3#4#5{\par\chardef\background=#2
+ \loop{#1} \ifnum\background<#3\m=\background\advance\m 1
+ \chardef\background=\m \repeat \chardef\background=#4
+ \loop{#1} \ifnum\background<#5\m=\background\advance\m 1
+ \chardef\background=\m \repeat}
+
+\def\names{ {\AA}ngel\aa\ Beatrice Claire
+ Diana \'Erica Fran\c{c}oise Ginette H\'el\`ene Iris
+ Jackie K\=aren {\L}au\.ra Mar{\'\i}a N\H{a}ta{\l}{\u\i}e {\O}ctave
+ Pauline Qu\^eneau Roxanne Sabine T\~a{\'\j}a Ur\v{s}ula
+ Vivian Wendy Xanthippe Yv{\o}nne Z\"azilie\par}
+\def\punct{\par\dopunct{min}\dopunct{pig}\dopunct{hid}
+ \dopunct{HIE}\dopunct{TIP}\dopunct{fluff}
+ \$1,234.56 + 7/8 = 9\% @ \#0\par}
+\def\dopunct#1{#1,\ #1:\ #1;\ `#1'\ ?`#1?\ !`#1!\ (#1)\ [#1]\ #1*\ #1.\par}
+
+\def\bigtest{\sample
+ hamburgefonstiv HAMBURGEFONSTIV\par
+ \names \punct \lowers \uppers \digits}
+
+\def\math{\textfont1=\testfont \skewchar\testfont=\skewtrial
+ \mathchardef\Gamma="100 \mathchardef\Delta="101
+ \mathchardef\Theta="102 \mathchardef\Lambda="103 \mathchardef\Xi="104
+ \mathchardef\Pi="105 \mathchardef\Sigma="106 \mathchardef\Upsilon="107
+ \mathchardef\Phi="108 \mathchardef\Psi="109 \mathchardef\Omega="10A
+ \def\ii{i} \def\jj{j}
+ \def\\##1{|##1|+}\mathtrial
+ \def\\##1{##1_2+}\mathtrial
+ \def\\##1{##1^2+}\mathtrial
+ \def\\##1{##1/2+}\mathtrial
+ \def\\##1{2/##1+}\mathtrial
+ \def\\##1{##1,{}+}\mathtrial
+ \def\\##1{d##1+}\mathtrial
+ \let\ii=\imath \let\jj=\jmath \def\\##1{\hat##1+}\mathtrial}
+\newcount\skewtrial \skewtrial='177
+\def\mathtrial{$\\A \\B \\C \\D \\E \\F \\G \\H \\I \\J \\K \\L \\M \\N \\O
+ \\P \\Q \\R \\S \\T \\U \\V \\W \\X \\Y \\Z \\a \\b \\c \\d \\e \\f \\g
+ \\h \\\ii \\\jj \\k \\l \\m \\n \\o \\p \\q \\r \\s \\t \\u \\v \\w \\x \\y
+ \\z \\\alpha \\\beta \\\gamma \\\delta \\\epsilon \\\zeta \\\eta \\\theta
+ \\\iota \\\kappa \\\lambda \\\mu \\\nu \\\xi \\\pi \\\rho \\\sigma \\\tau
+ \\\upsilon \\\phi \\\chi \\\psi \\\omega \\\vartheta \\\varpi \\\varphi
+ \\\Gamma \\\Delta \\\Theta \\\Lambda \\\Xi \\\Pi \\\Sigma \\\Upsilon
+ \\\Phi \\\Psi \\\Omega \\\partial \\\ell \\\wp$\par}
+\def\mathsy{\begingroup\skewtrial='060 % for math symbol font tests
+ \def\mathtrial{$\\A \\B \\C \\D \\E \\F \\G \\H \\I \\J \\K \\L
+ \\M \\N \\O \\P \\Q \\R \\S \\T \\U \\V \\W \\X \\Y \\Z$\par}
+ \math\endgroup}
+
+\def\oct#1{\hbox{\rm\'{}\kern-.2em\it#1\/\kern.05em}} % octal constant
+\def\hex#1{\hbox{\rm\H{}\tt#1}} % hexadecimal constant
+\def\setdigs#1"#2{\gdef\h{#2}% \h=hex prefix; \0\1=corresponding octal
+ \m=\n \divide\m by 64 \xdef\0{\the\m}%
+ \multiply\m by-64 \advance\m by\n \divide\m by 8 \xdef\1{\the\m}}
+\def\testrow{\setbox0=\hbox{\penalty 1\def\\{\char"\h}%
+ \\0\\1\\2\\3\\4\\5\\6\\7\\8\\9\\A\\B\\C\\D\\E\\F%
+ \global\p=\lastpenalty}} % \p=1 if none of the characters exist
+\def\oddline{\cr
+ \noalign{\nointerlineskip}
+ \multispan{19}\hrulefill&
+ \setbox0=\hbox{\lower 2.3pt\hbox{\hex{\h x}}}\smash{\box0}\cr
+ \noalign{\nointerlineskip}}
+\newif\ifskipping
+\def\evenline{\loop\skippingfalse
+ \ifnum\n<256 \m=\n \divide\m 16 \chardef\next=\m
+ \expandafter\setdigs\meaning\next \testrow
+ \ifnum\p=1 \skippingtrue \fi\fi
+ \ifskipping \global\advance\n 16 \repeat
+ \ifnum\n=256 \let\next=\endchart\else\let\next=\morechart\fi
+ \next}
+\def\morechart{\cr\noalign{\hrule\penalty5000}
+ \chartline \oddline \m=\1 \advance\m 1 \xdef\1{\the\m}
+ \chartline \evenline}
+\def\chartline{&\oct{\0\1x}&&\:&&\:&&\:&&\:&&\:&&\:&&\:&&\:&&}
+\def\chartstrut{\lower4.5pt\vbox to14pt{}}
+\def\table{$$\global\n=0
+ \halign to\hsize\bgroup
+ \chartstrut##\tabskip0pt plus10pt&
+ &\hfil##\hfil&\vrule##\cr
+ \lower6.5pt\null
+ &&&\oct0&&\oct1&&\oct2&&\oct3&&\oct4&&\oct5&&\oct6&&\oct7&\evenline}
+\def\endchart{\cr\noalign{\hrule}
+ \raise11.5pt\null&&&\hex 8&&\hex 9&&\hex A&&\hex B&
+ &\hex C&&\hex D&&\hex E&&\hex F&\cr\egroup$$\par}
+\def\:{\setbox0=\hbox{\char\n}%
+ \ifdim\ht0>7.5pt\reposition
+ \else\ifdim\dp0>2.5pt\reposition\fi\fi
+ \box0\global\advance\n 1 }
+\def\reposition{\setbox0=\vbox{\kern2pt\box0}\dim=\dp0
+ \advance\dim 2pt \dp0=\dim}
+\def\centerlargechars{
+ \def\reposition{\setbox0=\hbox{$\vcenter{\kern2pt\box0\kern2pt}$}}}
+
+\def\text{{\advance\baselineskip-4pt
+\setbox0=\hbox{abcdefghijklmnopqrstuvwxyz}
+\ifdim\hsize>2\wd0 \ifdim 15pc>2\wd0 \hsize=15pc \else \hsize=2\wd0 \fi\fi
+On November 14, 1885, Senator \& Mrs.~Leland Stanford called
+together at their San Francisco mansion the 24~prominent men who had
+been chosen as the first trustees of The Leland Stanford Junior University.
+They handed to the board the Founding Grant of the University, which they
+had executed three days before. This document---with various amendments,
+legislative acts, and court decrees---remains as the University's charter.
+In bold, sweeping language it stipulates that the objectives of the University
+are ``to qualify students for personal success and direct usefulness in life;
+and to promote the publick welfare by exercising an influence in behalf of
+humanity and civilization, teaching the blessings of liberty regulated by
+law, and inculcating love and reverence for the great principles of
+government as derived from the inalienable rights of man to life, liberty,
+and the pursuit of happiness.'' \moretext
+(!`THE DAZED BROWN FOX QUICKLY GAVE 12345--67890 JUMPS!)\par}}
+\def\moretext{?`But aren't Kafka's Schlo{\ss} and {\AE}sop's {\OE}uvres
+often na{\"\i}ve vis-\`a-vis the d{\ae}monic ph{\oe}nix's official r\^ole
+in fluffy souffl\'es? }
+\def\omitaccents{\let\moretext=\relax}
+
+\def\sample{\table\text}
+
+\ifx\noinit!\else\init\fi