Apologies for comment delays

Apologies for the delay in moderating some comments on this list. This is because Wayne is away from home, and was very busy just before he left. With Wayne's permission, I have just accepted the comments submitted in the last couple of days. I will look again tomorrow. (I don't receive e-mail notification of comments for moderation, but as a blog contributor I can view and approve them.) Wayne should be able to get back to this on Monday.