Original link: https://powdertoy.co.uk/Discussions/Thread/View.html?Thread=543
Quoting rule 2:
2) Spam is against the rules here. (Off topic posts, and rule 15 are regarded as spam). Major offenders will be temporarily banned. If you don't have something useful to say, then don't post it at all. Double posting is prevented for the most part due to a forum-wide software limitation on them. Groups are also seen as spam.
Isn't this against the whole Groups subforum? Or is this just an unseen error? Either way, something needs to be done with it.