I have a couple more things to say, but I will say them quickly.
I believe that we need a system that enables elections to take place from those who have played an active role in a group. That is why publishing a list of members of a group would be a good thing. It should be perfectly in order for someone to put their name on the list up to, say, 24 hours before the election takes place. But the idea that people can turn up to a meeting by the dozen, take ballot papers that are not numbered and not have their names recorded when voting allows a misuse of procedure that should not be permitted.
I would warmly welcome the Parliamentary Commissioner for Standards looking at this issue and, while ensuring that all-party groups remain open to all Members, allowing a better means of regulating such elections where there is a great deal of interest in them.