rails/rails — pull request #4821 by carlosantoniodasilva (2012-02-01 13:40:12+00:00)
Title: Generate strict validation error messages with attribute name

Related to this [commit/comments](https://github.com/rails/rails/commit/8620bf90c5e486e1ec44b9aabb63f8c848668ed2#commitcomment-922322)