location should be a pathname or keyword as returned by location.
When check-redefinition-p is true, it checks for existing definitions acording to the value of *redefinition-action*. The default value of check-redefinition-p is t .
Note: You should not usually call
, since all the system-provided definers call it. However, for new classes of definition which you add with define-dspec-class, you should call
for dspecs in their new classes.
was documented in the
package in LispWorks 4.3 and earlier. Although it is currently still available there, this may change in future releases and you should now reference it via the