How are people going to use the .js source in real-world applications?

How are people going to use the .js source in real-world applications?

So I'm starting to build out a real-world mobile app site using the jquery-mobile source. I believe all of the samples include the source via src="js/all" which translates to executing combine.php which generates a single file with all of the scripts included in a specific order.

When this stuff is released for public consumption, and perhaps placed on a CDN, is it going to be a single jquery.mobile.js file ("the whole shebang")? Or is it going to be the single js source files ("include what you need")? Or both?

- Kin