Thread: Empty Value
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Rob, thank you very much. That should have been obvious!

As a further question, I'm still not sure how to test for the condition in an if statement? I know it isn't a good idea, but I still want to know how to do it. For example, when testing if a shape is part of a group:
Code:
if (group of vertex is not missing value) then
  -- stuff
end
or even
Code:
set myGroups to (group of myCanvas whose id is (id of group of vertex))
both fail when the shape isn't part of a group.