'From Squeak 2.2 of Sept 23, 1998 on 29 September 1998 at 12:52:58 pm'! Smalltalk abandonSources. ! SystemDictionary removeSelector: #abandonSources! SystemDictionary removeSelector: #browseAllSelect:! SystemDictionary removeSelector: #printSpaceAnalysis! SystemDictionary removeSelector: #browseObsoleteReferences! SystemDictionary removeSelector: #lastRemoval! Smalltalk lastRemoval ! ----QUIT----(29 September 1998 12:54:39 pm ) priorSource: 72! Object subclass: #Pair instanceVariableNames: 'car cdr' classVariableNames: '' poolDictionaries: '' category: 'Collections-Arrayed'!