File: //lib/ruby/3.0.0/rdoc/generator/template/darkfish/index.rhtml
<body id="top" role="document" class="file">
<nav role="navigation">
<div id="project-navigation">
<%= render '_sidebar_navigation.rhtml' %>
<%= render '_sidebar_search.rhtml' %>
</div>
<div id="project-metadata">
<%= render '_sidebar_pages.rhtml' %>
<%= render '_sidebar_classes.rhtml' %>
</div>
</nav>
<main role="main">
<%- if @options.main_page and
main_page = @files.find { |f| f.full_name == @options.main_page } then %>
<%= main_page.description %>
<%- else -%>
<p>This is the API documentation for <%= @title %>.
<%- end -%>
</main>