Eliot Miranda uploaded a new version of Collections to project The Trunk:
http://source.squeak.org/trunk/Collections-eem.1029.mcz

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

Name: Collections-eem.1029
Author: eem
Time: 24 March 2023, 5:34:09.007646 pm
UUID: 6b4476ed-6be7-4944-9681-109724903e30
Ancestors: Collections-jar.1028

Add String/Text>>isPlainText for the benefit of the ExtendedClipboardInterface

=============== Diff against Collections-jar.1028 ===============

Item was added:
+ ----- Method: String>>isPlainText (in category 'testing') -----
+ isPlainText
+ 	"For compatibility with Text"
+ 	^true!

Item was added:
+ ----- Method: Text>>isPlainText (in category 'testing') -----
+ isPlainText
+ 	"A Text with no emphasis has empty values."
+ 	^runs values = #(#())!