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WorldMorph
Last updated at 12:43 am UTC on 31 December 2004
Since Squeak version 2.5 there is no WorldMorph class anymore.

An instance of WorldMorph was the topmost morph which contained all other Morph instances. It kept a list of morphs which need stepping and sent them a stepping message when the scheduled time had come.

Nowadays a PasteUpMorph is used instead of a WorldMorph. With the message isWorldMorph you can check if it is meant beeing a World.

See now PasteUpMorph.