(if (or
(delivery-value :keep-debug-mode)
(< *delivery-level* 5))
:all
nil)
A list of packages that should keep their symbol names. The names of symbols in these packages are not modified, irrespective of the value of :symbol-names-action.
The value can also be
:all
, meaning all packages.
LispWorks Delivery User Guide - 13 Dec 2011