HTTP Deltas, RSS, and Differential Content Fetching \\It seems  PubSub.com is offering a bounty  on an HTTP Delta implementation\of RFC 3229.  This seems in response to the current meme  of RSS and Atom\syndication bloat.\ \First off this is certainly *very* generous of them.  I'd like to see this\happen more.  Good for you guys!\\I myself  have thought that HTTP Deltas were a viable solution but I was\wrong.\\Of course most people aren't familiar with HTTP deltas.  Eseentially what an\HTTP delta enables is a client/server differential protocol that can exchange a\patch from the server to the client.  The client is then patched and it will\then have the updated version without having to transfer the *entire* document\again.\\For example say you ...\\