From 3d4d7ecd22cd774d6cabf05158746eae60d6d0eb Mon Sep 17 00:00:00 2001
From: Ulrike Fischer <fischer@troubleshooting-tex.de>
Date: Sun, 2 Feb 2025 01:27:50 +0100
Subject: [PATCH] move smallmatrix patch

---
 luamml-patches-amsmath.sty | 88 ++++++++++++++++++++------------------
 1 file changed, 47 insertions(+), 41 deletions(-)

diff --git a/luamml-patches-amsmath.sty b/luamml-patches-amsmath.sty
index 8443d64..1bb3d91 100644
--- a/luamml-patches-amsmath.sty
+++ b/luamml-patches-amsmath.sty
@@ -359,47 +359,53 @@
 
 % Finally some slightly different stuff.
 % While {matrix} is covered by {array}, we still have {smallmatrix}:
-\renewenvironment {smallmatrix} {
-  \UseTaggingSocket{ math/luamml/annotate/false } {} { \null\, }
-  \vcenter \bgroup
-    \Let@
-    \restore@math@cr
-    \default@tag
-    \baselineskip 6 \ex@
-    \lineskip 1.5 \ex@
-    \lineskiplimit \lineskip
-    \ialign \bgroup
-        \hfil
-        $
-        \m@th
-        \scriptstyle
-        ##
-        % No \scriptsize here since we want to add the mstyle nodes
-        \UseTaggingSocket{math/luamml/save/nn}{ {} {mtd}}
-        $
-        \UseTaggingSocket{math/luamml/mtable/finalizecol}{last}
-        \hfil
-      &&
-        \thickspace
-        \hfil
-        $
-        \m@th
-        \scriptstyle
-        ##
-        % No \scriptsize here since we want to add the mstyle nodes
-        \UseTaggingSocket{math/luamml/save/nn}{ {} {mtd}}        
-        $
-        \UseTaggingSocket{math/luamml/mtable/finalizecol}{last}
-        \hfil
-      \crcr
-}{%
-      \crcr
-      \UseExpandableTaggingSocket{math/luamml/mtable/smallmatrix/save}
-    \egroup
-  \egroup
-  \UseTaggingSocket{math/luamml/mtable/innertable/finalize}
-  \UseTaggingSocket{ math/luamml/annotate/false } {}{ \, }
-}
+
+\IfPackageAtLeastTF{latex-lab-testphase-math}{2025-01-24}
+ {}
+ { \PackageInfo{luamml}{patching~smallmatrix}
+
+    \renewenvironment {smallmatrix} {
+      \UseTaggingSocket{ math/luamml/annotate/false } {} { \null\, }
+      \vcenter \bgroup
+        \Let@
+        \restore@math@cr
+        \default@tag
+        \baselineskip 6 \ex@
+        \lineskip 1.5 \ex@
+        \lineskiplimit \lineskip
+        \ialign \bgroup
+            \hfil
+            $
+            \m@th
+            \scriptstyle
+            ##
+            % No \scriptsize here since we want to add the mstyle nodes
+            \UseTaggingSocket{math/luamml/save/nn}{ {} {mtd}}
+            $
+            \UseTaggingSocket{math/luamml/mtable/finalizecol}{last}
+            \hfil
+          &&
+            \thickspace
+            \hfil
+            $
+            \m@th
+            \scriptstyle
+            ##
+            % No \scriptsize here since we want to add the mstyle nodes
+            \UseTaggingSocket{math/luamml/save/nn}{ {} {mtd}}        
+            $
+            \UseTaggingSocket{math/luamml/mtable/finalizecol}{last}
+            \hfil
+          \crcr
+    }{%
+          \crcr
+          \UseExpandableTaggingSocket{math/luamml/mtable/smallmatrix/save}
+        \egroup
+      \egroup
+      \UseTaggingSocket{math/luamml/mtable/innertable/finalize}
+      \UseTaggingSocket{ math/luamml/annotate/false } {}{ \, }
+    }
+  } 
 
 % {cases} is defined by the kernel, but we patch the overwritten version by amsmath.
 \cs_set:Npn \env@cases {