simple-type-error, simple-condition, type-error, error, serious-condition, condition, t
Conditions of type simple-type-error are like conditions of type type-error, except that they provide an alternate mechanism for specifying how the condition is to be reported; see type simple-condition.
\issue{TYPE-OF-AND-PREDEFINED-CLASSES:UNIFY-AND-EXTEND} \issue{FORMAT-STRING-ARGUMENTS:SPECIFY}