See http://lists.jboss.org/pipermail/wildfly-dev/2014-December/003414.html

This JIRA is for reflecting the attribute group notion in CLI behavior.

I think this is just reflecting it in the output of the "ls -l" command, although there may be other places I'm not thinking of. For "ls -l" simplest is just to add a GROUP column to the right, and then sort the attributes by group and then by name, but perhaps something else is better.