SFTP (was Re:GSoC)

[Scott Neugroschl]

Quoth Peter Stuge
> sftp (and to a degree SFTP, the protocol itself) can easily be changed
> and improved. Even the user interface can (and should) change, for the
> better. SFTP is the future.
> 
> The OpenSSH sftp client is, as said, not so impressive, and it needs
> some love to really shine. The tool can be improved in many ways,
> internally and externally. Recursive transfers is just one thing.
> 

Since SFTP appears to be on the RFC track, how does one go about
proposing
protocol extensions?  In particular, an "append" command, similar to
that
of FTP?