LispWorks IDE User Guide > 3 Common Features > 3.2 Setting preferences > 3.2.1 General options

NextPrevUpTopContentsIndex Automatic filters on dialogs

The option Add a filter to dialog lists longer than: affects modal dialogs containing long lists. When the list is longer than the value of this option, the list has a filter, which you can use as described in Filtering modal dialog completion.

LispWorks IDE User Guide (Windows version) - 22 Dec 2009