Eliot Miranda uploaded a new version of Collections to project The Trunk:
http://source.squeak.org/trunk/Collections-eem.793.mcz

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

Name: Collections-eem.793
Author: eem
Time: 3 May 2018, 10:36:26.780414 am
UUID: 9e90b3ee-26a8-44d7-850c-e7b0c54fe0a6
Ancestors: Collections-eem.792

revert

=============== Diff against Collections-eem.792 ===============

Item was changed:
  ----- Method: String>>isAsciiString (in category 'testing') -----
  isAsciiString
+ 
+ 	^self allSatisfy: [ :each | each asciiValue <= 127 ]!
- 	"Answer if the receiver contains only ascii characters.
- 	 Inline ^self allSatisfy: [ :each | each asciiValue <= 127 ] for speed."
- 	1 to: self basicSize do: [:i| (self basicAt: i) > 127 ifTrue: [^false]].
- 	^true!