Okay.
I do have one that's come up. It's sort of tangential to the actual discussion, but you brought up House of Commons Procedure and Practice. How do we break the vicious cycle in Procedure and Practice? There are a lot of things in there, but my favourite example is about wearing a tie in the House. Procedure and Practice says that you have to wear modern business dress, which today is considered to include a tie, in the House. If somebody gets up without his tie on, the Speaker says, “You can't speak because you don't have a tie on”, because the book says so. The book says so because the Speaker says so.
How do we break the vicious cycle?