Determins what to do about a given action list operation when the action list already exists.
lispworks
(:warn :skip)
The variable *handle-existing-action-list* contains keywords determining what to do about a given action list operation when the action list already exists.
*handle-existing-action-list* can contain either :warn or :silent, determining whether to notify the user, and either :skip or :redefine to determine what to do about an action list operation when the action list already exists. The initial value is (:warn :skip).
It is used by the macro define-action-list .
LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:30:41