k.add :unsubscribe_from_list, "Subscribe to/unsubscribe from mailing list", ")"
k.add :pipe_message, "Pipe message or attachment to a shell command", '|'
+ k.add :archive_and_next, "Archive this thread, kill buffer, and view next", 'a'
+ k.add :delete_and_next, "Delete this thread, kill buffer, and view next", 'd'
+
k.add_multi "(a)rchive/(d)elete/mark as (s)pam/mark as u(N)read:", '.' do |kk|
kk.add :archive_and_kill, "Archive this thread and kill buffer", 'a'
kk.add :delete_and_kill, "Delete this thread and kill buffer", 'd'