whose instances can be used as Lisp streams (e.g. passed as the
first argument to <function>format</>).</para>
+<para>&SBCL; supports a MetaObject Protocol which is intended to be
+compatible with &AMOP;; exceptions to this (as distinct from current
+bugs<!-- Such as the distinction between CL:FIND-CLASS and
+SB-PCL::FIND-CLASS :-( -->) are that
+<function>compute-effective-method</> only returns one value, not
+two<!-- FIXME: anything else? What about extensions? (e.g. COMPUTE-SLOTS
+behaviour) -->.</para>
+
</sect2>
<sect2><title>Support For Unix</>