% The Computer Modern Roman family of fonts (by D. E. Knuth, 1979--1985)

if ligs>1: font←coding←scheme:="TeX text";
 spanish←shriek=oct"074"; spanish←query=oct"076";
else: font←coding←scheme:=if ligs=0: "TeX typewriter text"
  else: "TeX text without f-ligatures" fi;
 spanish←shriek=oct"016"; spanish←query=oct"017"; fi

mode←setup; font←setup;

input romanu;  % upper case (majuscules)
input romanl;  % lower case (minuscules)
input greeku;  % upper case Greek letters
input romand;  % numerals
input romanp;  % ampersand, question marks, currency sign
input romspl;  % lowercase specials (dotless \i, ligature \ae, etc.)
input romspu;  % uppercase specials (\AE, \OE, \O)
input punct;  % punctuation symbols common to roman and italic text
input accent;  % accents common to roman and italic text
if ligs>1: input romlig; fi  % letter ligatures
if ligs>0: input comlig; fi  % ligatures common with italic text
if ligs<=1: input romsub; fi  % substitutes for ligatures

ligtable "!": "`" =: spanish←shriek;
ligtable "?": "`" =: spanish←query;
font←slant slant; font←x←height x←height#;
if monospace: font←normal←space 9u#; % no stretching or shrinking
 font←quad 18u#;
 font←extra←space 9u#;
else: font←normal←space 6u#+2letter←fit#;
 font←normal←stretch 3u#; font←normal←shrink 2u#;
 font←quad 18u#+4letter←fit#;
 font←extra←space 2u#;
 k#:=-.5u#; kk#:=-1.5u#; kkk#:=-2u#; % three degrees of kerning
 ligtable "k": if serifs: "v": "a" kern -u#, fi\\"w": "e" kern k#,
  "a" kern k#, "o" kern k#, "c" kern k#;
 ligtable "P": "A" kern kk#,
  "y": "o" kern k#, "e" kern k#, "a" kern k#, "." kern kk#, "," kern kk#;
 ligtable "F": "V": "W": "o" kern kk#, "e" kern kk#, "u" kern kk#,
   "r" kern kk#, "a" kern kk#, "A" kern kkk#,
  "K": "X": "O" kern k#, "C" kern k#, "G" kern k#, "Q" kern k#;
 ligtable "T": "y" kern if serifs: k# else: kk# fi,
  "Y": "e" kern kk#, "o" kern kk#,
   "r" kern kk#, "a" kern kk#, "A" kern kk#, "u" kern kk#;
 ligtable "O": "D": "X" kern k#, "W" kern k#, "A" kern k#,
   "V" kern k#, "Y" kern k#;
 if serifs: ligtable "h": "m": "n":
   "t" kern k#, "u" kern k#, "b" kern k#, "y" kern k#, "v" kern k#, "w" kern k#;
  ligtable "c": "h" kern k#, "k" kern k#; fi
 ligtable "o": "b": "p": "e" kern -k#, "o" kern -k#, "x" kern k#,
   "d" kern -k#, "c" kern -k#, "q" kern -k#,
  "a": if serifs: "v" kern k#, "j" kern u#, else: "r" kern k#, fi
  "t": "y" kern k#,
  "u": "w" kern k#;
 ligtable "A": if serifs: "R": fi\\ "t" kern k#,
  "C" kern k#, "O" kern k#, "G" kern k#, "U" kern k#, "Q" kern k#,
  "L": "T" kern kk#, "Y" kern kk#, "V" kern kkk#, "W" kern kkk#;
 ligtable "g": "j" kern -k#; % logjam
 ligtable "I": "I" kern -k#; fi % Richard III
 % there are ligature/kern programs for |"f"| in the {\tt romlig} file
 % and for |"-"|, |"`"|, and |"'"| in the {\tt comlig} file
bye.