make_trail question

"Mark Hammond" <mhammond-sh/GteyqCrd/[email protected]>
Newsgroups gmane.comp.python.visualpython.user
Message-ID <[email protected]> 
Some of my students have noticed that the new make-trail feature doesn't
behave like other object attributes in the sense that they cannot use:

ball.make-trail =  True 

to modify a pre-existing object so that it includes a trail. This means
make-trail is different than pos or radius or color. Is there a reason for
this? 

Mark Hammond



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