Martin - 2011-07-12

Installed Gimp 2.6.11 and the manual (Dutch version). But the manual does not show.
OS 10.6.8
X11 2.3.6 (xorg-server 1.4.2.-apple 56).
These should be the right conditions as far as I heave learned from former posts on this subject.
What can be wrong?

Thanks and regards,

Martin