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Make factorial take precedence over fraction in math expressions (#1487)

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Fixes #1475.
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bluebear94 2023-06-20 10:59:42 -04:00 committed by GitHub
parent 8513c2b0fb
commit ececd07424
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3 changed files with 8 additions and 1 deletions
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6
src/syntax/parser.rs
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@ -307,6 +307,12 @@ fn math_expr_prec(p: &mut Parser, min_prec: usize, stop: SyntaxKind) {
}
while !p.eof() && !p.at(stop) {
if p.directly_at(SyntaxKind::Text) && p.current_text() == "!" {
p.eat();
p.wrap(m, SyntaxKind::Math);
continue;
}
let Some((kind, stop, assoc, mut prec)) = math_op(p.current()) else {
break;
};

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3
tests/typ/math/frac.typ
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@ -30,4 +30,5 @@ $ a_1/b_2, 1/f(x), zeta(x)/2, "foo"[|x|]/2 \
1.2/3.7, 2.3^3.4 \
🏳️‍🌈[x]/2, f [x]/2, phi [x]/2, 🏳️‍🌈 [x]/2 \
+[x]/2, 1(x)/2, 2[x]/2 \
(a)b/2, b(a)[b]/2 $
(a)b/2, b(a)[b]/2 \
n!/2, 5!/2, n !/2, 1/n!, 1/5! $