1 files changed, 17 insertions, 2 deletions
diff --git a/Master/texmf-dist/tex/latex/l3packages/xparse/xparse.sty b/Master/texmf-dist/tex/latex/l3packages/xparse/xparse.sty
index e87a832432f..9a7eab1fe1a 100644
--- a/Master/texmf-dist/tex/latex/l3packages/xparse/xparse.sty
+++ b/Master/texmf-dist/tex/latex/l3packages/xparse/xparse.sty
@@ -60,7 +60,7 @@
       }
   }
 \ExplSyntaxOff
-\ProvidesExplPackage{xparse}{2024-05-08}{}
+\ProvidesExplPackage{xparse}{2024-08-16}{}
   {L3 Experimental document command parser}
 \clist_new:N \l__cmd_options_clist
 \DeclareOption* { \clist_put_right:NV \l__cmd_options_clist \CurrentOption }
@@ -239,7 +239,22 @@
   {
     \__kernel_cmd_if_xparse:NTF #1
       {
-        \tl_set:Ne \ArgumentSpecification { \tl_item:Nn #1 { 2 } }
+        \tl_set:Ne \ArgumentSpecification
+          {
+            \exp_args:No \tl_if_head_eq_meaning:nNTF {#1} \__cmd_start_optimized:
+              {
+                \prg_replicate:nn
+                  {
+                    \str_count:e
+                      {
+                        \exp_args:Nc \cs_parameter_spec:N
+                          { \cs_to_str:N #1 \c_space_tl code }
+                      } / 2
+                  }
+                  { m }
+              }
+              { \tl_item:Nn #1 { 2 } }
+          }
         #2
       }
       {#3}