My email was broken but now is fixed. If you have emailed me since yesterday (Wednesday) afternoon, I didn’t and won’t receive it. Please re-send. Sorry for the trouble.

Hostgator, my usually excellent web host, reports that “there seemed to be some problems with the shadow files that store the passwords for your account”. That somehow led to the temporary deletion of my email accounts and the temporary malfunction of some aspects of the website. Everything seems to be restored again.