Update RDoc scraper

assets/stylesheets/pages/_rdoc.scss

@@ -1,7 +1,7 @@
 ._rdoc {
   > .description, > .documentation-section { padding-left: 1rem; }
-  > .description > h2, .section-header { @extend %block-heading; }
+  > .description > h2, header > h3 { @extend %block-heading; }
-  > .description > h2, .section-header, .method-heading { margin-left: -1rem; }
+  > .description > h2, header > h3, .method-heading { margin-left: -1rem; }
   .description > h1 { font-size: 1rem; }
   .method-description > h2, h3, h4, h5, h6 { font-size: 1em; }
 

lib/docs/filters/rdoc/clean_html.rb

@@ -7,7 +7,7 @@ module Docs
       end
 
       def root
-        at_css('.section-header').remove
+        at_css('h3').remove
 
         # Remove skipped items
         css('li > span').each do |node|

lib/docs/filters/rdoc/container.rb

@@ -5,17 +5,20 @@ module Docs
         if root_page?
           at_css '#classindex-section'
         else
-          container = at_css '#documentation'
+          container = at_css 'main'
 
           # Add <dl> mentioning parent class and included modules
           meta = Nokogiri::XML::Node.new 'dl', doc
           meta['class'] = 'meta'
+
           if parent = at_css('#parent-class-section')
             meta << %(<dt>Parent:</dt><dd class="meta-parent">#{parent.at_css('.link').inner_html.strip}</dd>)
           end
+
           if includes = at_css('#includes-section')
             meta << %(<dt>Included modules:</dt><dd class="meta-includes">#{includes.css('a').map(&:to_html).join(', ')}</dd>)
           end
+
           container.at_css('h1').after(meta)
 
           container

lib/docs/filters/rdoc/entries.rb

@@ -20,7 +20,7 @@ module Docs
       end
 
       def include_default_entry?
-        at_css('#description p') || css('.documentation-section').any? { |node| node.content.present? }
+        at_css('> .description p') || css('.documentation-section').any? { |node| node.content.present? }
       end
 
       def additional_entries