{ core, ... } @ libs:
  let
    inherit(core) library;
    getFormat
    =   outputFormat:
          if outputFormat != null
          then
            outputFormat
          else
            "tex";
    renderTex                           =   library.import ./tex libs;
  in
  {
    evaluationOrder
    =   [
          "slides"
          "extra"
        ];
    render
    =   outputFormat:
        {
          "tex"                         =   renderTex;
          "markdown"                    =   foo: [];
        }.${getFormat outputFormat};
  }