/$LISTNAME/$MESSAGE_ID -> 301 to /$LISTNAME/$MESSAGE_ID
/$LISTNAME/$MESSAGE_ID/raw -> raw mbox
/$LISTNAME/$MESSAGE_ID/f/ -> HTML content (full quotes)
+/$LISTNAME/$MESSAGE_ID/R/ -> HTML reply instructions
### Legacy endpoints (may be ambiguous given Message-IDs with similar suffixes)
/$LISTNAME/m/$MESSAGE_ID/ -> 301 to /$LISTNAME/$MESSAGE_ID/
/$LISTNAME/atom.xml [2] -> identical to /$LISTNAME/new.atom
+Additionally, we support "git clone" pointed to http://$HOST/$LISTNAME
+
FIXME: we must refactor/cleanup/add tests for most of our CGI before
adding more endpoints and features.