\NeedsTeXFormat{LaTeX2e}
\ProvidesExplPackage{luamml-pdf-demo}{2021-06-16}{v0.0.1}{Reasonable default definitions for luamml-pdf}

\RequirePackage{luamml-pdf}% Loading luamml-pdf is pretty much the point
% \RequirePackage{amsmath,array}% May come back if the patches get ported

% Delay family mappings to allow for replacements
\AddToHook{begindocument/before}{%
  \@ifpackageloaded{unicode-math}{}{%
    \RegisterFamilyMapping\symsymbols{oms}%
    \RegisterFamilyMapping\symletters{oml}%
    \RegisterFamilyMapping\symlargesymbols{omx}%
  }
}

\cs_new_protected:Npn \LuaMMLSetFilename #1 {}

% TODO.
% \cs_generate_variant:Nn \pdffile_filespec:nnn {ene}
% \int_new:N \g__luamml_demo_af_int
% \cs_new_protected:Npn \LuaMMLTagAF #1#2 {
%   \int_gincr:N \g__luamml_demo_af_int
%   \exp_args:Ne \pdf_object_new:nn{__luamml_demo_\int_use:N \g__luamml_demo_af_int}{dict}
%   \exp_args:Ne \tagstructbegin{tag=Formula,AF=__luamml_demo_\int_use:N \g__luamml_demo_af_int,#1}
%   \bool_if:NF \l__luamml_demo_structelem_bool {
%     \tagmcbegin{tag=Formula}
%   }
%   #2
%   \group_begin:
%     \pdfdict_put:nnn {l_pdffile/Filespec} {AFRelationship}{/Supplement}
%     \pdffile_filespec:ene
%       { __luamml_demo_ \int_use:N \g__luamml_demo_af_int }
%       { test.xml }
%       { \luamml_get_last_mathml_stream:e{}\c_space_tl 0~R}
%   \group_end:
%   \bool_if:NF \l__luamml_demo_structelem_bool {
%     \tagmcend
%   }
%   \tagstructend
% }

\NewDocumentCommand\AnnotateFormula{ o m m }{%
  \IfValueTF{#1}{%
    \luamml_annotate:nen{#1}%
  }{
    \luamml_annotate:en
  }{#2}{#3}
}

\cs_set_eq:NN \WriteoutFormula \luamml_pdf_write: