[Radiant] ActionView helpers in a behavior - I think I got it!

[Jay Levitt]

Andrew Hodgkinson wrote:
> Jay Levitt wrote:
> 
>>     @controller = ActionController::Base.new
>>     @controller.request = request
> 
> I think you might have to be careful with certain helper method calls - 
> ISTR seeing something about this on IRC. In particular some people 
> seemed to think that url_for() might give trouble.

Thanks.  If I run into any weird side effects I'll start by assuming 
they're not my fault now...

Jay