Aborts the exiting of a dialog.
can be used to abort the exiting of a confirmer. It can be used in the
of a confirmer, to abort the exit and return to the dialog.
is called outside the exiting of a confirmer, it does nothing.
This example asks the user for a string. If the string is longer than 20 characters, it confirms with the user that they really want such a long string, and if they do not it returns to the dialog.
(when (and (> (length value) 20)
"Name is very long. Use it?")))
LispWorks CAPI Reference Manual - 21 Dec 2009