For some reason I've got it in my head that nofollow is set for talk pages and user pages. But is this actually true? We treat talk pages as lower quality than article pages, but does google do the same? If I see linkspam on a talk page do I need to remove it or is it OK to leave it there.
See http://en.wikipedia.org/wiki/Talk:Atkins_Nutritional_Approach#Spam_Clean-up for what prompted my train of thought.
Theresa