rails/rails — pull request #12913 by sbagdat (2013-11-16 10:52:42+00:00)
Title: Remove outdated info about chaining #unscope with a #scope

Deleted lines says: *"chaining unscoped with a scope does not work"*, but it works. `#unscoped` method returns an `ActiveRecord::Relation` object everytime, so we can chain another scope with it.