A new version of Regex-Core was added to project The Inbox:
http://source.squeak.org/inbox/Regex-Core-tobe.60.mcz

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

Name: Regex-Core-tobe.60
Author: tobe
Time: 12 August 2021, 11:27:45.831532 am
UUID: 80ec8d3d-9a84-4928-be0e-1b65787f895b
Ancestors: Regex-Core-ct.59

When an escaped character appeared in a charset, we did not handle adjacent ranges correctly

See RxParserTest>>testCharacterSetWithEscapedAndRange for examples.

=============== Diff against Regex-Core-ct.59 ===============

Item was changed:
  ----- Method: RxCharSetParser>>parseEscapeChar (in category 'parsing') -----
  parseEscapeChar
  
+ 	| first |
  	self match: $\.
+ 	first := (RxsPredicate forEscapedLetter: lookahead)
+ 		ifNil: [ RxsCharacter with: lookahead ].
+ 	self next == $- ifFalse: [^ elements add: first].
+ 	self next ifNil: [
+ 		elements add: first.
+ 		^ self addChar: $-].
+ 	self addRangeFrom: first character to: lookahead.
- 	elements add: ((RxsPredicate forEscapedLetter: lookahead)
- 		ifNil: [ RxsCharacter with: lookahead ]).
  	self next!