Error if an unexpected named argument was received (#6192)

crates/typst-eval/src/call.rs

@@ -404,12 +404,14 @@ fn wrap_args_in_math(
     if trailing_comma {
         body += SymbolElem::packed(',');
     }
-    Ok(Value::Content(
-        callee.display().spanned(callee_span)
-            + LrElem::new(SymbolElem::packed('(') + body + SymbolElem::packed(')'))
-                .pack()
-                .spanned(args.span),
-    ))
+
+    let formatted = callee.display().spanned(callee_span)
+        + LrElem::new(SymbolElem::packed('(') + body + SymbolElem::packed(')'))
+            .pack()
+            .spanned(args.span);
+
+    args.finish()?;
+    Ok(Value::Content(formatted))
 }
 
 /// Provide a hint if the callee is a shadowed standard library function.

tests/suite/math/call.typ

@@ -221,6 +221,15 @@ $
 // Hint: 4-6 or if you meant to display this as text, try placing it in quotes: `"ab"`
 $ 5ab $
 
+--- math-call-symbol ---
+$ phi(x) $
+$ phi(x, y) $
+$ phi(1,2,,3,) $
+
+--- math-call-symbol-named-argument ---
+// Error: 10-18 unexpected argument: alpha
+$ phi(x, alpha: y) $
+
 --- issue-3774-math-call-empty-2d-args ---
 $ mat(;,) $
 // Add some whitespace/trivia: