Marcel Taeumel uploaded a new version of MorphicExtras to project The Trunk:
http://source.squeak.org/trunk/MorphicExtras-mt.260.mcz

==================== Summary ====================

Name: MorphicExtras-mt.260
Author: mt
Time: 6 September 2019, 4:05:04.787193 pm
UUID: ecf49e67-c28b-b649-bb7b-3ce5209f0462
Ancestors: MorphicExtras-mt.259

Complements Morphic-mt.1516

=============== Diff against MorphicExtras-mt.259 ===============

Item was changed:
  ----- Method: PasteUpMorph class>>newWorldTesting (in category '*MorphicExtras-project') -----
  newWorldTesting
  
  	| world ex |
  
  	ex := 500 at 500.
  	world := PasteUpMorph newWorldForProject: nil.
  	world extent: ex; color: Color orange.
  	world openInWorld.
- 	world viewBox: (0 at 0 extent: ex).
  	BouncingAtomsMorph new openInWorld: world.
  
  "-----
  
  	| world window |
  	world := PasteUpMorph newWorldForProject: nil.
  	world extent: 300 at 300; color: Color orange.
  	world viewBox: (0 at 0 extent: 300 at 300).
  	window := (SystemWindow labelled: 'the new world') model: world.
  	window color: Color orange.
  	window addMorph: world frame: (0 at 0 extent: 1.0 at 1.0).
  	window openInWorld.
  
  ---"
  !