move smash patches into sockets

luamml-patches-kernel.sty

@@ -1,7 +1,12 @@
 \ProvidesExplPackage {luamml-patches-kernel} {2024-10-30} {0.2.0}
   {Feel free to add a description here}
 
-\cs_set:Npn \mathsm@sh #1 #2 {
+
+\IfPackageAtLeastTF{latex-lab-testphase-math}{2025-01-24}
+ {}
+ {
+   \PackageInfo{luamml}{patching~\string\mathsm@sh}
+    \cs_set:Npn \mathsm@sh #1 #2 {
      \setbox \z@ \hbox {
        $
        \m@th #1 {
@@ -20,11 +25,8 @@
        {}
        \finsm@sh
      }
-}
+   }
 
-\IfPackageAtLeastTF{latex-lab-testphase-text}{2025-01-27}
- {}
- {
    \PackageInfo{luamml}{patching~\string\mathph@nt}
    \cs_set:Npn \mathph@nt #1 #2 {
      \setbox \z@ = \hbox {

luamml.dtx

@@ -666,7 +666,37 @@
 \AssignSocketPlug{tagsupport/math/luamml/finph@nt}{luamml}
 %</luatex>
 %    \end{macrocode} 
+
+% \subsubsection{Math smash socket}
+% This socket is used around \cs{finsm@sh}. 
+% It should provided until 2025-06-01
+%    \begin{macrocode}
+\str_if_exist:cF { l__socket_tagsupport/math/luamml/finsm@sh_plug_str }
+ {
+   \NewSocket{tagsupport/math/luamml/finsm@sh}{2}
+   \NewSocketPlug{tagsupport/math/luamml/finsm@sh}{default}{#2}
+   \AssignSocketPlug{tagsupport/math/luamml/finsm@sh}{default}
+ }  
+%    \end{macrocode}
 %
+%    \begin{macrocode}
+%<*luatex>
+\NewSocketPlug{tagsupport/math/luamml/finsm@sh}{luamml}
+ {
+   \luamml_annotate:nen {2} 
+    {
+     nucleus = true,
+     core = 
+       consume_label('mathsmash', 
+           function(padded)
+             padded.height, padded.depth = 0, 0~
+           end),
+    }
+    { #2 }  
+ }
+\AssignSocketPlug{tagsupport/math/luamml/finsm@sh}{luamml}
+%</luatex>
+%    \end{macrocode} 
 % \subsection{Patching}
 % For some packages, we ship with patches to make them more compatible and to
 % demonstrate how other code can be patched to work with \texttt{luamml}.