yui/yui3 — pull request #160 by allenrabinovich (2012-06-11 17:38:35+00:00)
Title: Safari issue with specifying withCredentials before opening an XHR request

This fixes the issue seen in Safari where if withCredentials is set on an XHR instance before it's opened, an error is thrown. The CORS specs recently changed on this, and Safari isn't yet corresponding to the spec.