jashkenas/backbone — pull request #3237 by akre54 (2014-07-23 18:46:04+00:00)
Title: clarify docs around Model#changed and Model#hasChanged

The current wording makes it easy to confuse that the model's `changed` property refers to the last time that instance's `set` was called, not any time `set` was called for any model.

Fixes #3235