move cases

luamml-patches-amsmath.sty

@@ -401,16 +401,16 @@
       \UseTaggingSocket{math/luamml/mtable/innertable/finalize}
       \UseTaggingSocket{math/luamml/annotate/false} {}{ \, }
     }
-  } %end package test
 
-% {cases} is defined by the kernel, but we patch the overwritten version by amsmath.
-\cs_set:Npn \env@cases {
+    % {cases} is defined by the kernel, but we patch the overwritten version by amsmath.
+    \PackageInfo{luamml}{patching~\string\env@cases}
+    \cs_set:Npn \env@cases {
       \let \@ifnextchar \new@ifnextchar
       \left \lbrace
         \def \arraystretch {1.2}
         \array {@{}l@{\quad \luamml_ignore:}l@{}}
-}
-
+    }
+  } %end package test
 
 \cs_set:Npn \bBigg@ #1 #2 {
   {