fFtT implementation

[bill]

Well, it's been a little uglier than I expected, but I have put together
an initial implementation of the fFtT cursor movement family for
cut/paste mode.  I need to spend some time cleaning it up, but
I'm a little curious about the current state of screen development.
There doesn't seem to be a developers mailing list, there are only 4
people listed on Savannah, and there's a message stating that development
has stopped.   Is it worth submitting a patch?   I have a very surface
understanding of the layering that is going on...the idea is nice but
the code is a bit hairy in places, so I would definitely like having
more eyes to catch any potential bugs.  I use 'fFtT' movement
keys a lot, and I don't want to introduce bad behavior.