re-use Sanitize instances in Gollum::Markup

lib/gollum/markup.rb

@@ -27,9 +27,9 @@ module Gollum
     #
     # Returns the formatted String content.
     def render(no_follow = false)
-      sanitize_options = no_follow ? 
-        @wiki.history_sanitization : 
-        @wiki.sanitization
+      sanitize = no_follow ? 
+        @wiki.history_sanitizer : 
+        @wiki.sanitizer
 
       data = extract_tex(@data)
       data = extract_code(data)
@@ -44,12 +44,16 @@ module Gollum
       end
       data = process_tags(data)
       data = process_code(data)
-      data = Sanitize.clean(data, sanitize_options.to_hash) if sanitize_options
+      data = sanitize.clean!(data) if sanitize
       data = process_tex(data)
       data.gsub!(/<p><\/p>/, '')
       data
     end
 
+    def doc_to_html(doc)
+      doc.to_xhtml(:save_with => Nokogiri::XML::Node::SaveOptions::AS_XHTML)
+    end
+
     #########################################################################
     #
     # TeX