Nicolas Cellier uploaded a new version of Collections to project The Inbox:
http://source.squeak.org/inbox/Collections-nice.807.mcz

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

Name: Collections-nice.807
Author: nice
Time: 13 September 2018, 9:29:57.057799 pm
UUID: f4686e6e-1820-4c3f-841d-c1904914c147
Ancestors: Collections-topa.806

Let isSeparator be consistent with Character separators after introduction of nbsp. 

The performance cost should be marginal.

Note: some (CharacterSet cleanUp: false) might be necessary in postscript, unless this is included in the release process...

=============== Diff against Collections-topa.806 ===============

Item was changed:
  ----- Method: Character>>isSeparator (in category 'testing') -----
  isSeparator
  	"Answer whether the receiver is one of the separator characters--space, 
+ 	cr, tab, line feed, or form feed and nbsp."
- 	cr, tab, line feed, or form feed."
  
  	| integerValue |
+ 	(integerValue := self asInteger) > 32 ifTrue: [ ^integerValue = 160 "non breaking space" ].
- 	(integerValue := self asInteger) > 32 ifTrue: [ ^false ].
  	integerValue
  		caseOf: {
  			[ 32 "space" ] -> [ ^true ].
  			[ 9 "tab" ] -> [ ^true ].
  			[ 13 "cr"] -> [ ^true ].
  			[ 10 "line feed" ] -> [ ^true ].
  			[ 12 "form feed"] -> [ ^true ] }
  		otherwise: [ ^false  ]!