Add rails 8.1

lib/docs/filters/rails/clean_html_guides.rb

@@ -4,8 +4,9 @@ class CleanHtmlGuidesFilter < Filter
       def call
         return doc unless slug.start_with?('guides')
 
-        at_css('#mainCol').prepend_child at_css('#feature .wrapper').children
-        @doc = at_css('#mainCol')
+        main_col = at_css('#mainCol') || at_css('#column-main')
+        main_col.prepend_child at_css('#feature .wrapper').children
+        @doc = main_col
 
         container = Nokogiri::XML::Node.new 'div', doc.document
         container['class'] = '_simple'

lib/docs/filters/rails/entries.rb

@@ -40,7 +40,7 @@ class EntriesFilter < Docs::Rdoc::EntriesFilter
 
       def get_name
         if slug.start_with?('guides')
-          name = at_css('#mainCol h2').content.strip
+          name = (at_css('#mainCol h2') || at_css('#column-main h2')).content.strip
           name.remove! %r{\s\(.+\)\z}
           return name
         end

lib/docs/filters/rdoc/clean_html.rb

@@ -61,6 +61,9 @@ def other
           node['data-language'] = 'c' if node['class'] == 'c'
           node['data-language'] = 'ruby' if node['class'] && node['class'].include?('ruby')
         end
+
+        # Remove navigation breadcrumbs
+        css('ol[role="navigation"]').remove
       end
     end
   end

lib/docs/scrapers/rdoc/rails.rb

@@ -75,6 +75,10 @@ class Rails < Rdoc
       end
     end
 
+    version '8.1' do
+      self.release = '8.1.2'
+    end
+
     version '8.0' do
       self.release = '8.0.1'
     end