src/features/frac.fea


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@figures = [
  zero
  one
  two
  three
  four
  five
  six
  seven
  eight
  nine
];
@numerators = [
  zero.numr
  one.numr
  two.numr
  three.numr
  four.numr
  five.numr
  six.numr
  seven.numr
  eight.numr
  nine.numr
];
@denominators = [
  zero.dnom
  one.dnom
  two.dnom
  three.dnom
  four.dnom
  five.dnom
  six.dnom
  seven.dnom
  eight.dnom
  nine.dnom
];

lookup FRAC {
  sub slash by fraction;
} FRAC;

lookup UP {
  sub @figures by @numerators;
} UP;

lookup DOWN {
  sub fraction @numerators' by @denominators;
  sub @denominators @numerators' by @denominators;
} DOWN;