This is the Gem version of white_list_formatted_content Plugin (github.com/bhedana/white_list_formatted_content)
It is used to format content created by white_list Gem (github.com/quyen/white_list.git)
Put this line into Gemfile:
gem 'white_list', :git => "git://github.com/quyen/white_list_formatted_content.git"