(or
(< *delivery-level* 5) (delivery-value :keep-debug-mode))
If this is
nil
, functions for handling the top level read-eval-print loop are deleted. Note that this means that if the line based debugger is invoked, there is no way to communicate with it
Note:
the top level history is cleared, regardless of the value of the
:keep-top-level
argument.
Affected by: :keep-debug-mode
LispWorks Delivery User Guide - 13 Dec 2011