Dave,
I did my initial changes directly in the Script Entry and attempted to save to the default location.
I downloaded and installed Notepad++ and will give it a shot.
As I noted in another message, it will be a slow process. I'll try not to ask questions until I'm sure I can't work around any problems I run into. It's harder getting back into this than I expected, so I'm going to have to throw more time into it.
Thanks again.
Don