jashkenas/backbone — pull request #2885 by akre54 (2013-11-21 15:44:51+00:00)
Title: Fix for shadowed _ dep

The test AMD page isn't loading underscore correctly (passes `undefined`), and the loader in Backbone.js shadows the UMD loader completely.

We can remove the `shim` config with the next underscore release, but we should leave it in for now to be used as an example.