CannotResolveSymbol gave the answer. It is correctCannotResolveSymbol said:elmer said:*snip*Conveniently, I found the option you're looking for as I was checking out RC1 earlier todayTools > Developer Tools
In the Developer tools window, File > Customize Internet Explorer View Source > Other... and pick Notepad++.
I think you used to have to change some registry values to change the view source editor. This is a lot easier.