Eventually basic design docs will go in here, to make it easier for programmers to help with gmail.

Design Notes:

Gmail uses the "Status:" field in the headers to mark whether the mail has been read yet or now. It is based roughly on Mutt, my interpration of the code is that there are two symbols "R" and "O".. but generally read messages get marked "RO" and unread ones don't (they probably have no status field). Is there an official document on this stuff somewhere?

