The last version of the XPG, the "X/Open Portability Guide Issue 4" (also known as the "Common Applications Environment Specification Issue 4 (CAE4)"), was published in July 1992 by The Open Group.
Последняя версия XPG, X/Open Portability Guide Issue 4 (известная также как "Common Applications Environment Specification Issue 4 (CAE4)"), была опубликована в июле 1992 года.