Hi!
I've just integrated the fix of Mathieu.
1.395 : Integrated optimization from Mathieu. Excellent job! [| view | view := ROMondrianViewBuilder new. view nodes: Object withAllSubclasses. view edgesFrom: #superclass. view treeLayout. view applyLayout ] timeToRun => 91856 before this version => 48519 with this version
Cheers, Alexandre