fphilipe/premailer-rails3 — pull request #23 by zdenal (2012-02-28 15:36:57+00:00)
Title: Prevent Nokogiri::XML::Attr object put into @@css_cache

Prevent Nokogiri::XML::Attr object put into @@css_cache -> it had each time diff object_id, so it was never finded in @@css_cache again. Now there is inserted only name of css file.