Make math shorthands noncontinuable (#5925)

crates/typst-syntax/src/parser.rs

@@ -271,10 +271,11 @@ fn math_expr_prec(p: &mut Parser, min_prec: usize, stop: SyntaxKind) {
         }
 
         SyntaxKind::Text | SyntaxKind::MathText | SyntaxKind::MathShorthand => {
-            continuable = matches!(
-                math_class(p.current_text()),
-                None | Some(MathClass::Alphabetic)
-            );
+            continuable = !p.at(SyntaxKind::MathShorthand)
+                && matches!(
+                    math_class(p.current_text()),
+                    None | Some(MathClass::Alphabetic)
+                );
             if !maybe_delimited(p) {
                 p.eat();
             }

tests/suite/math/syntax.typ

@@ -13,6 +13,11 @@ $ underline(f' : NN -> RR) \
     1 - 0 thick &...,
   ) $
 
+--- math-shorthands-noncontinuable ---
+// Test that shorthands are not continuable.
+$ x >=(y) / z \
+  x >= (y) / z $
+
 --- math-common-symbols ---
 // Test common symbols.
 $ dot \ dots \ ast \ tilde \ star $