Something scary is happening on the wiki: I see the dollar signs surrounding math symbols as dollar signs. Does this mean TeX isn't working on the new wiki, or what?
Also: I can't edit the new wiki since my IP address is blocked:
> Access denied. Your IP address, 188.8.131.52, was found on one or more DNSBL blocking list(s).
This is a National University of Singapore IP address. I can get around this problem with a VPN. This sort of problem seems to come and go...