Moving to 7.3 since we haven't updated the chapter yet but it still could probably use some improvement.
No updates but I still think we could provide better examples so I'm keeping this BZ open and moving it to 7.4.
This may turn out to be a duplicate of BZ # 1507548
Closing as duplicate of BZ#1507548, now that we've updated the information about setting location constraints with rules.
*** This bug has been marked as a duplicate of bug 1507548 ***