You're welcome. Glad I could help.
Yeah, I took a look at Carbonites code a couple of times, and I can't figure it out either. That's no surprise for me, though. I'm just not good with code of any kind. However, Carbonites Lua does look a little strange even to my untrained eyes. Regardless, it works.
Trust me, you're not the only Carbonite user with bad eyesight. My eyes aren't too good either, but with the way I set the watch window up, it helps. A lot! Of course, I also keep it on the top of my screen just right of center and minimized all the time, unless there's something I want to check on.
My UI:
Click for larger version.