| The group published its specifications under the name X/Open Portability Guide (or XPG). | Группа публиковала свои спецификации под названием X/Open Portability Guide (или XPG). |
| 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. |