visionmedia/mocha — pull request #657 by sbrekken (2012-11-15 09:04:53+00:00)
Title: Improve multi-line diff output

This patch improves multi-line diff output by utilizing `diff.diffLines` instead of `diff.diffWords` which ignores whitespace.

Here's an image showing the differences before and after the patch:

![Patch result animation](http://i.imgur.com/0PX5S.png)