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Basic properties of a Morph
a Morph has an owner
Last updated at 12:02 am UTC on 23 February 2017
Each morph has an owner morph which is accessed through
self owner
The topmost morph which is a
PasteUpMorph
does not have an owner.
self owner
returns
nil
for a morph which answers 'true' for
aMorph
isWorldMorph