While the AES cipher suites from draft-ietf-tls-ciphersuite-06.txt are
disabled by default and not part of "ALL" (the "AESdraft" group alias
can be used to enable them), they might be accidentily enabled by using
cipher suite strings such as "RSA".  The reason for disabling them
unless explicitly requested is that they are not yet official, so it may
be a problem if seemingly innocuous strings such as "RSA" enable them.

(Similarly, cipher suite strings such as "DES" will enable "ADH" cipher
suites that are left out of "ALL".  But this is less of a problem
because these cipher suites are official; they are not in "ALL" simply
because usually anonymous connections are not desired.)

A possible strategy is to define a new group alias for all those cipher
suites that are not part of "ALL", which could be called "NONE" (unless
someone comes up with a more serious name for it).  Then "!NONE" in a
cihper suite string will disable all cipher suites that are not in
"ALL", i.e. "RSA:!NONE" would be "RSA" without "AESdraft" and
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