Keyword

Value: one of :

nil

Don't delete any condition class. This is the default at severity = 0.

:delete

Delete unwanted conditions. If an error for a deleted condition is signaled, it is signalled as a simple error condition, with the arguments in the format-arguments slot. This is the default at severity > 0.

:redirect

Redirect unwanted conditions to the first parent in their hierachy which is not deleted.