\ProvidesExplPackage {luamml-patches-mathtools} {2024-10-26} {0.1.0}
  {Feel free to add a description here}

\RequirePackage{luamml-patches-amsmath}
% see https://github.com/latex3/tagging-project/issues/734
\renewcommand*\MT_mult_internal:n [1]{
 \MH_if_boolean:nF {outer_mult}{\alignedspace@left} %<-- requires amsmath 2016/11/05
  \MT_next:
  \bgroup
    \Let@
    \def\l_MT_multline_lastline_fint{0 }
    \chardef\dspbrk@context\@ne \restore@math@cr
    \MH_let:NwN \math@cr@@\MT_mult_mathcr_atat:w
    \MH_let:NwN \shoveleft\MT_shoveleft:wn
    \MH_let:NwN \shoveright\MT_shoveright:wn
    \spread@equation
    \MH_set_boolean_F:n {mult_firstline}
    \MT_measure_mult:n {#1}
    \MH_if_dim:w \l_MT_multwidth_dim<\l_MT_multline_measure_fdim
      \MH_setlength:dn \l_MT_multwidth_dim{\l_MT_multline_measure_fdim}
    \fi
    \MH_set_boolean_T:n {mult_firstline}
    \MH_if_num:w \l_MT_multline_lastline_fint=\@ne
      \MH_let:NwN \math@cr@@ \MT_mult_firstandlast_mathcr:w
    \MH_fi:
    \ialign\bgroup
      \hfil\strut@$\m@th\displaystyle{}##
      \luamml_save:nNn {} \displaystyle {mtd}
      $
      \__luamml_amsmath_add_last_to_row:
      \hfil
      \crcr
      \hfilneg
      #1
}