Update page search index rendering

Author: rossta

app/models/page.rb

@@ -43,7 +43,15 @@ def body
   end
 
   def body_html
-    ApplicationController.render(inline: body, type: resource.handler, layout: false)
+    ApplicationController.render(
+      inline: body,
+      type: (resource.handler.to_sym == :mdrb) ? :"mdrb-atom" : resource.handler,
+      layout: false,
+      content_type: "application/atom+xml",
+      assigns: {
+        format: :atom
+      }
+    )
   end
 
   def body_text

app/views/components/markdown/application.rb

@@ -12,11 +12,13 @@ def default_commonmarker_options
     }
   end
 
-  def code_block(source, language = "", **attributes)
+  def code_block(source, metadata = "", **attributes)
+    language, _ = metadata.split(":", 2)
     render CodeBlock::Code.new(source, language: language, **attributes)
   end
 
   def image(src, alt: "", title: "")
+    title, _ = title.split("|", 2)
     figure do
       image_tag(src, alt: alt, title: title)
       figcaption { title }