An integer not smaller than 20
,
the exact magnitude of which is implementation-dependent.
The upper exclusive bound on the number of values that may be
returned from a function,
bound or assigned by multiple-value-bind
or multiple-value-setq
,
or passed as a first argument to nth-value
.
(If these individual limits might differ, the minimum value is used.)
lambda-parameters-limit, call-arguments-limit
Implementors are encouraged to make this limit as large as possible.