Sometimes an object may contain so many items that the list is confusing. If this happens, use the Filter box to limit the display to only those items you are interested in.
This continued example below shows you how to filter the attributes list so that the only slots displayed are those you are interested in.
Figure 17.2 Using filters to limit the display in the Inspector
You can immediately see the slots with names that include "rep". The names of the slots, together with their slot values for the object being inspected, are displayed in the attributes list. For example, the representation slot currently contains
nil
.
LispWorks IDE User Guide (Windows version) - 25 Nov 2011