=head1 CTCP in Ermyth

=head2 Letters in version resply

Version replies (from /version or ctcp version) contain a sequence
of letters like FljR. Their meaning is as follows:

   A - ASCII casemapping is used
   d - debug logging is enabled
   e - nick/account registration requires email verification
   F - flood checking is enabled
   l - leave_chans is enabled
   j - join_chans is enabled
   t - changets is enabled (shown as of 2.1)
   R - RFC1459 casemapping is used
   r - operserv raw can be used
   n - services is attached to a terminal