Nesting Groups within Groups

Thanks for the reply Aaron and all.I had stumbled across this while working on a newly created title, in v2007 SP5.I was trying to re-create nesting groups in groups, and have been unable to do so in the editor...However I was able to nest groups in groups by exporting my title as .xml, editing the parent id for the groups I wanted to be grouped, and importing the title.I created 2 groups, added text objects in one, then images in another. Then I created a third group and left it empty. Then I exported the title as .xml. From there, I located the ID for my empty group. Then I located the other 2 groups that I wanted grouped, and assigned the Parent attribute to the ID of the empty group. Then I opened Lectora, imported the title, and sure enough, in the editor the groups were grouped. Of course in the editor, if I drag one of the nested groups out of the group, I cannot drag it back into the group.I can send my .xml if anyone wants to have a look.