Same with http://www.openstreetmap.org/note/101833
Border should be at right angle, straight lines (not wobbling) from N20°, E24° east along N20° parallel and south along E24°meridian.
Sorry for serving piecemeal informations.
Thanks folks, that worked.
May I offer
for desert? :-)
Border between Egypt and Libya should also be a straight line (not wobbling) along 25 East meridian.
Greetings from Germany, rknbg