David T. Lewis uploaded a new version of System to project The Inbox:
http://source.squeak.org/inbox/System-dtl.984.mcz

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

Name: System-dtl.984
Author: dtl
Time: 12 December 2017, 10:17:36.2562 pm
UUID: 1c5f7c2c-7c54-4e4e-abf3-6d9c2e53206c
Ancestors: System-dtl.983

Simplify search for a suitable project in Project class>tryOtherProjectForRecovery:
The test for project class ~= Project is not needed because Project is abstract in practice.
Clean up comments.

=============== Diff against System-dtl.983 ===============

Item was changed:
  ----- Method: Project class>>tryOtherProjectForRecovery: (in category 'error recovery') -----
  tryOtherProjectForRecovery: errorMessage
  	"Try entering the parent project if it uses a different user interface. We determine this by comparing the project's class."
  	
  	| safeProject nextProject |
  	nextProject := Project current.
  	safeProject := nil.
+ 	"Search parent projects for one of a different type"
  	[safeProject notNil or: [nextProject isTopProject]] whileFalse: [
  		nextProject := nextProject parent.
  		(Project current isKindOf: nextProject class)
  			ifFalse: [safeProject := nextProject]].
+ 	"No suitable parent project found, search all projects for any one of different type."
- 
- 	"Parent project was not of a different type. Search through all known
- 	projects to find any one that is of different project type."
  	safeProject ifNil: [Smalltalk garbageCollect.
  		safeProject := Project allSubInstances
+ 			detect: [:proj | (proj isKindOf: Project current class) not] ifNone: []].
- 			detect: [:proj | (proj isKindOf: Project current class) not
- 					and: [proj class ~= Project]]
- 			ifNone: []].
  	safeProject ifNotNil: [:p | 
  		p enterForEmergencyRecovery.
+ 		"Active process will usually suspend after this."].
+ !
- 		"Active process will usually suspend after this."].!