Marcel Taeumel uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-mt.891.mcz

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

Name: System-mt.891
Author: mt
Time: 15 August 2016, 11:50:40.658884 am
UUID: 7c143570-071b-3f4c-b98f-1026cb085da5
Ancestors: System-mt.890

Remove author name lookup table when cleaning up the image.

=============== Diff against System-mt.890 ===============

Item was changed:
  ----- Method: SystemNavigation class>>authors (in category 'accessing') -----
  authors
  
+ 	^ Authors ifNil: [self initializeAuthors. Authors]!
- 	^ Authors!

Item was changed:
  ----- Method: SystemNavigation class>>authorsInverted (in category 'accessing') -----
  authorsInverted
  
+ 	^ AuthorsInverted ifNil: [self initializeAuthors. AuthorsInverted]!
- 	^ AuthorsInverted!

Item was added:
+ ----- Method: SystemNavigation class>>cleanUp: (in category 'class initialization') -----
+ cleanUp: aggressive
+ 
+ 	aggressive ifTrue: [Authors := nil. AuthorsInverted := nil].!