jashkenas/backbone — pull request #3214 by austentalbot (2014-07-06 22:28:16+00:00)
Title: Switch from double to single quotes

Switch from double to single quotes for consistency with rest of file

BEFORE:
if (History.started) throw new Error("Backbone.history has already been started");

AFTER:
if (History.started) throw new Error('Backbone.history has already been started');