Comment moderation turned on, unfortunately

Due to a spammer attacking the site today, I have turned comment moderation on for a while.

I'd hoped that using Blogger's built-in captcha facility would be enough, but apparently this is being done by a real person (with a Google account) so I have had to turn on moderation.

I hope to be able to switch this off again soon, as I have had lots of value from comments (including anonymous ones) and would prefer not to put any barriers in the way. Apologies to regular posters - I will usually approve comments within an hour or two at most, except in the middle of the night UK time.

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