angular/angular.js — pull request #7638 by HNygard (2014-05-30 12:09:58+00:00)
Title: Fixing Google Closure I18N library link

The old seems to link to the source code of I18N. Found the same folder on their new Github repo.

"Closure Library's source repository has moved to GitHub.", https://code.google.com/p/closure-library/