slightly faster tl_if_head_is_group:n

latex3 · Oct 27, 2020 · 3af4f2f · 3af4f2f
1 parent 2e3ddea
commit 3af4f2f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/l3kernel/l3tl.dtx b/l3kernel/l3tl.dtx
@@ -3146,10 +3146,10 @@
 %    \begin{macrocode}
 \prg_new_conditional:Npnn \tl_if_head_is_group:n #1 { p , T , F , TF }
   {
-    \if_catcode:w
+    \if:w
         \exp_after:wN \use_none:n
           \exp_after:wN { \exp_after:wN { \token_to_str:N #1 ? } }
-        * *
+        \scan_stop: \scan_stop:
       \prg_return_false:
     \else:
       \prg_return_true: