When ColdFusion 8 added the ability to return data from remote functions formatted with JSON they also added some settings that allow you to put a prefix on the JSON string.

FireFox 3.5 was just released about a half hour ago. You can checkout all the new features for web developers here.

For me, as someone that does a lot of security research one of the most interesting new features is the Origin http header that FireFox 3.5 now sends.