** ASSOC now ignores NIL elements in an alist.
** CEILING now gives the right answer with MOST-NEGATIVE-FIXNUM
and (1+ MOST-POSITIVE-FIXNUM) answers.
+ ** The addition of a method with invalid qualifiers to a generic
+ function does not cause an error to be signalled immediately;
+ a warning is signalled, and the error is generated only on
+ calling the generic function.
planned incompatible changes in 0.8.x:
* (not done yet, but planned:) When the profiling interface settles