-;;; The outer loop examines list1 while the inner loop examines list2. If an
-;;; element is found in list2 "equal" to the element in list1, both are
-;;; spliced out. When the end of list1 is reached, what is left of list2 is
-;;; tacked onto what is left of list1. The splicing operation ensures that
-;;; the correct operation is performed depending on whether splice is at the
-;;; top of the list or not
-
+;;; The outer loop examines list1 while the inner loop examines list2.
+;;; If an element is found in list2 "equal" to the element in list1,
+;;; both are spliced out. When the end of list1 is reached, what is
+;;; left of list2 is tacked onto what is left of list1. The splicing
+;;; operation ensures that the correct operation is performed
+;;; depending on whether splice is at the top of the list or not