I’d like to display those small makers in the edges of my text areas (i.e. the main area and the head and foot areas). Since I’ve got no idea how they are called or how to describe them, here’s a picture:

Is there a package that does that? Otherwise I got the idea of getting TikZ to do it but I am not very versed in page geometry …
showframeoption that “kind of” does that, but not really. Anyway, you might want to have a look at that. – Juan A. Navarro Sep 06 '10 at 09:25showframewould indeed be perfect if it didn’t change the layout, too. :-( I’m using KOMA’stextareapackage to do the layout and I really don’t want to change that. – Konrad Rudolph Sep 06 '10 at 10:28