mathml/luamml-patches-kernel.sty

\ProvidesExplPackage {luamml-patches-kernel} {2021-05-30} {0.0.1-alpha}
  {Feel free to add a description here}

\lua_now:n { require'luamml-kernel' }

\cs_set:Npn \mathph@nt #1 #2 {
  \hbox_set:Nn \c_zero_int {
    $
    \m@th
    #1
    {#2}
    \luamml_flag_save:nNn {} #1 {mphantom}
    $
  }
  \finph@nt
  \__luamml_kernel_finalize_phantom:
}