Every now and then the following message appears when viewing a site page in the chrome debug log.
"Uncaught ReferenceError: _gaq is not defined"
It took me a little while to realize it is the Google Analytics code. To get rid of this issue let alone not let your other scripts bug out when using reference pointers; add the following to your snippet just before the first variable request:
++ var _gaq = _gaq || [];