Comment policy

  • Comments are welcomed, and there is no need to register to leave a comment.
  • We are happy to receive corrections or additional information, or suggestions of useful links.
  • If you comment here, please treat this site and other commenters with respect.
  • Comments should be on-topic and posted links should be relevant.
  • Spamming and abusive comments will be deleted, and repeat offenders will be banned.

Please note that if you post a number of links in a comment, your comment may possibly be caught by our spam filter and held up for moderation. Don’t worry if your comment doesn’t appear right away in these circumstances. We apologise in advance for the delay!