> These comments certainly add no useful information It did though, someone else came in to link the requested reference. As an American I knew nothing of the

> These comments certainly add no useful information It did though, someone else came in to link the requested reference. As an American I knew nothing of the "Five Techniques" and learned something new today as a direct result of that comment. If you make a statement of fact you have an obligation to back it up with references. It makes perfect sense then that statements without references can and should be challenged to provide them.