/$LISTNAME/$MESSAGE_ID/raw -> raw mbox
/$LISTNAME/$MESSAGE_ID/R/ -> HTML reply instructions
+# Covering up a pre-1.0 design mistake:
+/$LISTNAME/$MESSAGE_ID/f/ -> 301 to /$LISTNAME/$MESSAGE_ID/
+
### Legacy endpoints (may be ambiguous given Message-IDs with similar suffixes)
-/$LISTNAME/$MESSAGE_ID/f/ -> HTML content
/$LISTNAME/m/$MESSAGE_ID/ -> 301 to /$LISTNAME/$MESSAGE_ID/
/$LISTNAME/m/$MESSAGE_ID.html -> 301 to /$LISTNAME/$MESSAGE_ID/
/$LISTNAME/m/$MESSAGE_ID.txt -> 301 to /$LISTNAME/$MESSAGE_ID/raw
-/$LISTNAME/f/$MESSAGE_ID.html -> 301 to /$LISTNAME/$MESSAGE_ID/f/
+/$LISTNAME/f/$MESSAGE_ID.html -> 301 to /$LISTNAME/$MESSAGE_ID/
/$LISTNAME/f/$MESSAGE_ID.txt [1] -> 301 to /$LISTNAME/$MESSAGE_ID/raw
/$LISTNAME/atom.xml [2] -> identical to /$LISTNAME/new.atom