Update the design document a little.
tree04b8731dce4156a94cd283942b52cdc3c195f419
-rw-r--r-- 35147 COPYING
drwxr-xr-x - incoming
-rwxr-xr-x 1150 mktar.pl
drwxr-xr-x - patches
drwxr-xr-x - src