Brion Vibber wrote in part:
So hopefully it won't turn out that there was a
good reason for the
absolute positioning that I've just broken. ;)
Perchance, is this on [[test:]] now but not on [[en:]].
Because on [[test:]], the sidebar runs across the entire page,
lying on top of the content (but transparently).
Specifically, its horizontal rules run all the way across,
and the content is unclickable and unselectable
wherever there is some sidebar to the left of it.
-- Toby