doing.rb in doing-1.0.91

- old
+ new

@@ -7,7 +7,8 @@
 require 'tempfile'
 require 'chronic'
 require 'haml'
 require 'json'
 require 'doing/helpers'
+require 'doing/markdown_export'
 require 'doing/wwid'
-# require 'doing/markdown_document_listener'
+require 'doing/markdown_document_listener'