The halo works on morphs. If you have an athens surface which is not in a morph, the halo does not work.
Anyway this is a bug. 2014-02-09 4:27 GMT+01:00 Sean P. DeNigris <s...@clipperadams.com>: > David Harris wrote > > When I use the Move element of the halo, I get "MessageNotUnderstood: > > AthensDemoMorph>>passenger" > > ... > > I'm a novice, but that seems unusual. > > Athens is a work in progress... that is a bug > > > > ----- > Cheers, > Sean > -- > View this message in context: > http://forum.world.st/Stupid-Question-tp4742358p4742390.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >