I don't know but like sometimes I can do stuff like ¬ ± ¤ and other times I can't do them and do others. Num pad was always on.. If your on a laptop use FN + Alt + The code.
Finally finding about some of the bots that are flooding the users online - bytespider apparently is a huge offender here - ignores robots.txt and comes in from a ton of different IPs
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.