Actually, I was the first one to call it "forced indentation," it was back in '97, the dark age of the world, before the Internets were concieved.
www.authoring.html/msg/c1f04c1e861a3aff?q=%22forced+indentation%22" target='_blank'>http://groups.google.com/group/comp.infosystems.
www.authoring.html/msg/c1f04c1e861a3aff?q=%22forced+indentation%22