emberjs/ember.js — pull request #3854 by machty (2013-12-04 18:27:58+00:00)
Title: [NICETHING beta] Expose helpful vars in {{debugger}} helper body

Folk often don't know what to do within `{{debugger}}`.
This should give them a little more to work with.

example: http://jsbin.com/ucanam/2419/edit