From d42d2ed200c8f3f167ee09be69fcf86f4b645971 Mon Sep 17 00:00:00 2001
From: frozolotl <44589151+frozolotl@users.noreply.github.com>
Date: Tue, 20 May 2025 18:24:46 +0200
Subject: [PATCH] Error if an unexpected named argument was received (#6192)

---
 crates/typst-eval/src/call.rs  |  14 ++++++++------
 tests/ref/math-call-symbol.png | Bin 0 -> 703 bytes
 tests/suite/math/call.typ      |   9 +++++++++
 3 files changed, 17 insertions(+), 6 deletions(-)
 create mode 100644 tests/ref/math-call-symbol.png

diff --git a/crates/typst-eval/src/call.rs b/crates/typst-eval/src/call.rs
index 1ca7b4b8f..6a57c85e8 100644
--- a/crates/typst-eval/src/call.rs
+++ b/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.
diff --git a/tests/ref/math-call-symbol.png b/tests/ref/math-call-symbol.png
new file mode 100644
index 0000000000000000000000000000000000000000..8308bece1fba2d652a82e225c94b1212a90f1025
GIT binary patch
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z+7yA!P8^k2q`hBZIX8n`?!u!QY3X80!1=(M41dX>CI`7^hjqEq8tG0dY#@|=)gHK)
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literal 0
HcmV?d00001

diff --git a/tests/suite/math/call.typ b/tests/suite/math/call.typ
index 5caacfac6..54b97ceb0 100644
--- a/tests/suite/math/call.typ
+++ b/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: