[Rails 3.0+] In case when we need to override some partial which may be plased in some engine-gem it may be painfull to findout which partial are rendered in certain place. This gem aimed to help with this job. It markups html/xml by comments with partials paths. It is usefurl, for example, in development of application based on spree.
Gemfile gem 'painless_partials', '~> 0.1.1'
install gem install painless_partials