Fri, 11 May 2012 13:10:19 +0200 Hides button if table of contents is empty.
gibus [Fri, 11 May 2012 13:10:19 +0200] rev 422
Hides button if table of contents is empty.
(0) -300 -100 -30 -10 -1 +1 +10 +30 +100 tip