angular/angular.js — pull request #9910 by skywalker0110 (2014-11-04 19:50:28+00:00)
Title: Add a helpful warning msg about case sensitivity on isolated scope variable names

I just spent several hours banging my head because of an undefined value with isolating scope. I talked to another engineer who had the same problem and he just gave up after wasting 1/2 a day. I eventually guessed that it might be a case sensitivity issue. I just want to pay it forward and help people from giving up on this!!!!