Patrick Rein uploaded a new version of CommandLine to project The Trunk:
http://source.squeak.org/trunk/CommandLine-pre.13.mcz

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

Name: CommandLine-pre.13
Author: pre
Time: 30 April 2019, 3:28:42.737906 pm
UUID: f19eb98b-5b82-b84e-b754-8ce35bafa52f
Ancestors: CommandLine-tpr.12

Makes the ProvideAnswerNotification handling more robust with regard to the input (actual value or index)

=============== Diff against CommandLine-tpr.12 ===============

Item was changed:
  ----- Method: DummyUIManager>>chooseFrom:values:lines:title: (in category 'ui requests') -----
  chooseFrom: labelList values: valueList lines: linesArray title: aString
  	self askForProvidedAnswerTo: aString ifSupplied: [:answer | 
  		(answer = #cancel or: [answer isNil]) ifTrue: [^ nil].
+ 		^ valueList at: (valueList indexOf: answer) ifAbsent: [
+ 				answer isNumber 
+ 					ifTrue: [valueList at: answer ifAbsent: [nil]]
+ 					ifFalse: [nil]]].
- 		^ valueList at: (valueList indexOf: answer)].
  	
  	^ valueList first!