markup_improver.rb in roadie-3.5.1

- old
+ new

@@ -23,10 +23,11 @@
     end
 
     # @return [nil] passed DOM will be mutated
     def improve
       ensure_doctype_present
+      ensure_html_element_present
       head = ensure_head_element_present
       ensure_declared_charset head
     end
 
     protected
@@ -44,9 +45,15 @@
     # JRuby up to at least 1.6.0 has a bug where the doctype of a document cannot be changed.
     # See https://github.com/sparklemotion/nokogiri/issues/984
     def uses_buggy_jruby?
       # No reason to check for version yet since no existing version has a fix.
       defined?(JRuby)
+    end
+
+    def ensure_html_element_present
+      return if dom.at_xpath('html')
+      html = Nokogiri::XML::Node.new 'html', dom
+      dom << html
     end
 
     def ensure_head_element_present
       if (head = dom.at_xpath('html/head'))
         head