code: function (obj, opts) {
    var toc = [];
  
    // Finesse comment markdown data.
    // Also, statefully create TOC.
    var sections = _.chain(obj)
      .map(function (data) { return new Section(data, opts); })
      .filter(function (s) { return s.isPublic(); })
      .map(function (s) {
        toc.push(s.renderToc());  // Add to TOC.
        return s.renderSection(); // Render section.
      })
      .value()
      .join("\n");
  
    // No Output if not sections.
    if (!sections) {
      return "";
    }
  
    return "\n" + toc.join("") + "\n" + sections;
  }
docs: Generate MD API from `dox` object.