Nicolas Cellier uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-nice.953.mcz

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

Name: System-nice.953
Author: nice
Time: 10 June 2017, 6:10:55.64037 pm
UUID: 0aaa0704-3786-4b18-bce0-2490f6f58d7a
Ancestors: System-eem.952

Massively replace ifNotNilDo: by ifNotNil:
We don't need two different selectors to do a single thing.

=============== Diff against System-eem.952 ===============

Item was changed:
  ----- Method: ProjectLoading class>>openName:stream:fromDirectory:withProjectView:clearOriginFlag: (in category 'loading') -----
  openName: aFileName stream: preStream fromDirectory: aDirectoryOrNil
  withProjectView: existingView clearOriginFlag: clearOriginFlag
  	"Reconstitute a Morph from the selected file, presumed to
  represent a Morph saved via the SmartRefStream mechanism, and open it
  in an appropriate Morphic world."
  
     	| morphOrList archive mgr substituteFont numberOfFontSubstitutes resultArray anObject project manifests dict |
  	(self checkStream: preStream) ifTrue: [^ self].
  	ProgressNotification signal: '0.2'.
  	archive := preStream isZipArchive
  		ifTrue:[ZipArchive new readFrom: preStream]
  		ifFalse:[nil].
  	archive ifNotNil:[
  	manifests := (archive membersMatching: '*manifest').
  	(manifests size = 1 and: [((dict := self parseManifest: manifests first contents) at: 'Project-Format' ifAbsent: []) = 'S-Expression'])
  		ifTrue: [
  			^ (self respondsTo: #openSexpProjectDict:stream:fromDirectory:withProjectView:)
  				ifTrue: [self openSexpProjectDict: dict stream: preStream fromDirectory: aDirectoryOrNil withProjectView: existingView]
  				ifFalse: [self inform: 'Cannot load S-Expression format projects without Etoys' translated]]].
  
  	morphOrList := self morphOrList: aFileName stream: preStream fromDirectory: aDirectoryOrNil archive: archive.
  	morphOrList ifNil: [^ self].
  	ProgressNotification  signal: '0.4'.
  	resultArray := self fileInName: aFileName archive: archive morphOrList: morphOrList.
  	anObject := resultArray first.
  	numberOfFontSubstitutes := resultArray second.
  	substituteFont := resultArray third.
  	mgr := resultArray fourth.
  	preStream close.
  	ProgressNotification  signal: '0.7'.
  		"the hard part is over"
  	(anObject isKindOf: ImageSegment) ifTrue: [
  		project := self loadImageSegment: anObject
  			fromDirectory: aDirectoryOrNil
  			withProjectView: existingView
  			numberOfFontSubstitutes: numberOfFontSubstitutes
  			substituteFont: substituteFont
  			mgr: mgr.
  		project noteManifestDetailsIn: dict.
  		project removeParameter: #sugarProperties.
  		Smalltalk at: #SugarPropertiesNotification ifPresent: [:sp |
+ 			sp signal ifNotNil: [:props | 
- 			sp signal ifNotNilDo: [:props | 
  				project keepSugarProperties: props monitor: true]].
  		clearOriginFlag ifTrue: [project forgetExistingURL].
  		ProgressNotification  signal: '0.8'.
  			^ project
  				ifNil: [self inform: 'No project found in this file' translated]
  				ifNotNil: [ProjectEntryNotification signal: project]].
  	Project current openViewAndEnter: anObject!

Item was changed:
  ----- Method: SmalltalkImage>>removeAllUnSentMessages (in category 'shrinking') -----
  removeAllUnSentMessages
  	"Smalltalk removeAllUnSentMessages"
  	"[Smalltalk unusedClasses do: [:c | (Smalltalk at: c) removeFromSystem]. 
  	Smalltalk removeAllUnSentMessages > 0] whileTrue."
  	"Remove all implementations of unsent messages."
  	| sels n |
  	sels := self systemNavigation allUnSentMessages.
  	"The following should be preserved for doIts, etc"
  	"needed even after #majorShrink is pulled"
  	#(#compactSymbolTable #rebuildAllProjects #browseAllSelect:  #lastRemoval #scrollBarValue: vScrollBarValue: #scrollBarMenuButtonPressed: #withSelectionFrom: #to: #removeClassNamed: #dragon: #hilberts: #mandala: #web #test3 #factorial #tinyBenchmarks #benchFib #newDepth: #restoreAfter: #zapAllMethods #obsoleteClasses #removeAllUnSentMessages #abandonSources #removeUnreferencedKeys #reclaimDependents #zapOrganization #condenseChanges #browseObsoleteReferences #subclass:instanceVariableNames:classVariableNames:poolDictionaries:category: #methodsFor:stamp: #methodsFor:stamp:prior: #instanceVariableNames: #unusedClasses )
  		do: [:sel | sels
  				remove: sel
  				ifAbsent: []].
  	"The following may be sent by perform: in dispatchOnChar..."
+ 	(Smalltalk at: #ParagraphEditor) ifNotNil: [:paragraphEditor |
- 	(Smalltalk at: #ParagraphEditor) ifNotNilDo: [:paragraphEditor |
  		(paragraphEditor classPool at: #CmdActions) asSet
  			do: [:sel | sels
  					remove: sel
  					ifAbsent: []].
  		(paragraphEditor classPool at: #ShiftCmdActions) asSet
  			do: [:sel | sels
  					remove: sel
  					ifAbsent: []]].
  	sels size = 0
  		ifTrue: [^ 0].
  	n := 0.
  	self systemNavigation
  		allBehaviorsDo: [:x | n := n + 1].
  	'Removing ' , sels size printString , ' messages . . .'
  		displayProgressFrom: 0
  		to: n
  		during: [:bar | 
  			n := 0.
  			self systemNavigation
  				allBehaviorsDo: [:class | 
  					bar value: (n := n + 1).
  					sels
  						do: [:sel | class basicRemoveSelector: sel]]].
  	^ sels size!

Item was changed:
  ----- Method: SmalltalkImage>>zapMVCprojects (in category 'shrinking') -----
  zapMVCprojects
  	"Smalltalk zapMVCprojects"
  
  	(Smalltalk classNamed: #MVCProject)
+ 		ifNotNil: [:mvc | mvc removeProjectsFromSystem]
- 		ifNotNilDo: [:mvc | mvc removeProjectsFromSystem]
  !