{
  empty = {
    plugins = {
      treesitter.enable = true;
      headlines.enable = true;
    };
  };

  defaults = {
    plugins = {
      treesitter.enable = true;
      headlines = {
        enable = true;

        settings = {
          markdown = {
            query.__raw = ''
                vim.treesitter.query.parse(
                  "markdown",
                  [[
                      (atx_heading [
                          (atx_h1_marker)
                          (atx_h2_marker)
                          (atx_h3_marker)
                          (atx_h4_marker)
                          (atx_h5_marker)
                          (atx_h6_marker)
                      ] @headline)

                      (thematic_break) @dash

                      (fenced_code_block) @codeblock

                      (block_quote_marker) @quote
                      (block_quote (paragraph (inline (block_continuation) @quote)))
                      (block_quote (paragraph (block_continuation) @quote))
                      (block_quote (block_continuation) @quote)
                  ]]
              )
            '';
            headline_highlights = [ "Headline" ];
            bullet_highlights = [
              "@text.title.1.marker.markdown"
              "@text.title.2.marker.markdown"
              "@text.title.3.marker.markdown"
              "@text.title.4.marker.markdown"
              "@text.title.5.marker.markdown"
              "@text.title.6.marker.markdown"
            ];
            bullets = [
              "◉"
              "○"
              "✸"
              "✿"
            ];
            codeblock_highlight = "CodeBlock";
            dash_highlight = "Dash";
            dash_string = "-";
            quote_highlight = "Quote";
            quote_string = "┃";
            fat_headlines = true;
            fat_headline_upper_string = "▃";
            fat_headline_lower_string = "🬂";
          };
          rmd = {
            query.__raw = ''
              vim.treesitter.query.parse(
                "markdown",
                [[
                    (atx_heading [
                        (atx_h1_marker)
                        (atx_h2_marker)
                        (atx_h3_marker)
                        (atx_h4_marker)
                        (atx_h5_marker)
                        (atx_h6_marker)
                    ] @headline)

                    (thematic_break) @dash

                    (fenced_code_block) @codeblock

                    (block_quote_marker) @quote
                    (block_quote (paragraph (inline (block_continuation) @quote)))
                    (block_quote (paragraph (block_continuation) @quote))
                    (block_quote (block_continuation) @quote)
                ]]
              )
            '';
            treesitter_language = "markdown";
            headline_highlights = [ "Headline" ];
            bullet_highlights = [
              "@text.title.1.marker.markdown"
              "@text.title.2.marker.markdown"
              "@text.title.3.marker.markdown"
              "@text.title.4.marker.markdown"
              "@text.title.5.marker.markdown"
              "@text.title.6.marker.markdown"
            ];
            bullets = [
              "◉"
              "○"
              "✸"
              "✿"
            ];
            codeblock_highlight = "CodeBlock";
            dash_highlight = "Dash";
            dash_string = "-";
            quote_highlight = "Quote";
            quote_string = "┃";
            fat_headlines = true;
            fat_headline_upper_string = "▃";
            fat_headline_lower_string = "🬂";
          };
          norg = {
            query = ''
              vim.treesitter.query.parse(
                "norg",
                [[
                    [
                        (heading1_prefix)
                        (heading2_prefix)
                        (heading3_prefix)
                        (heading4_prefix)
                        (heading5_prefix)
                        (heading6_prefix)
                    ] @headline

                    (weak_paragraph_delimiter) @dash
                    (strong_paragraph_delimiter) @doubledash

                    ([(ranged_tag
                        name: (tag_name) @_name
                        (#eq? @_name "code")
                    )
                    (ranged_verbatim_tag
                        name: (tag_name) @_name
                        (#eq? @_name "code")
                    )] @codeblock (#offset! @codeblock 0 0 1 0))

                    (quote1_prefix) @quote
                ]]
              )
            '';
            headline_highlights = [ "Headline" ];
            bullet_highlights = [
              "@neorg.headings.1.prefix"
              "@neorg.headings.2.prefix"
              "@neorg.headings.3.prefix"
              "@neorg.headings.4.prefix"
              "@neorg.headings.5.prefix"
              "@neorg.headings.6.prefix"
            ];
            bullets = [
              "◉"
              "○"
              "✸"
              "✿"
            ];
            codeblock_highlight = "CodeBlock";
            dash_highlight = "Dash";
            dash_string = "-";
            doubledash_highlight = "DoubleDash";
            doubledash_string = "=";
            quote_highlight = "Quote";
            quote_string = "┃";
            fat_headlines = true;
            fat_headline_upper_string = "▃";
            fat_headline_lower_string = "🬂";
          };
          # Fails with:
          # no parser for 'org' language, see :help treesitter-parsers
          # TODO: re-enable when possible
          # org = {
          #   query.__raw = ''
          #     vim.treesitter.query.parse(
          #       "org",
          #       [[
          #           (headline (stars) @headline)

          #           (
          #               (expr) @dash
          #               (#match? @dash "^-----+$")
          #           )

          #           (block
          #               name: (expr) @_name
          #               (#match? @_name "(SRC|src)")
          #           ) @codeblock

          #           (paragraph . (expr) @quote
          #               (#eq? @quote ">")
          #           )
          #       ]]
          #     )
          #   '';
          #   headline_highlights = [ "Headline" ];
          #   bullet_highlights = [
          #     "@org.headline.level1"
          #     "@org.headline.level2"
          #     "@org.headline.level3"
          #     "@org.headline.level4"
          #     "@org.headline.level5"
          #     "@org.headline.level6"
          #     "@org.headline.level7"
          #     "@org.headline.level8"
          #   ];
          #   bullets = [
          #     "◉"
          #     "○"
          #     "✸"
          #     "✿"
          #   ];
          #   codeblock_highlight = "CodeBlock";
          #   dash_highlight = "Dash";
          #   dash_string = "-";
          #   quote_highlight = "Quote";
          #   quote_string = "┃";
          #   fat_headlines = true;
          #   fat_headline_upper_string = "▃";
          #   fat_headline_lower_string = "🬂";
          # };
        };
      };
    };
  };
}