mod questions

[John Given]

I have a mod question while I'm thinking about it. I like to dabble in fixing unbalanced scenarios, but I notice that many East Front scens will not allow me to do this - I get a "file error" when I press the edit scenario button. I have EF II, FotR, and the Project Blitzkeig scenario disk.

My question is - if I were to install plain old East Front (pre EF II) would that allow me to start modding these old scens? I seem to recall asking Jason Petho this once but I can't find the post.

Thanks in advance. :)