[Pharo-users] Explanation of do: separatedBy: keyword message

Hello, Please give me a hint to understand the "do: separatedBy:" keyword message used in ProfStef tutorial : i) in Pharo version 12 : https://ramix.org/pharo/ProfStef/iterators23.png ii) in Pharo version 13 : https://ramix.org/pharo/ProfStef/iterators25.png -- Thanks for your help. Rene Paul Mages (ramix) GnuPG key : 0x9840A6F7 https://sites.google.com/view/les-logiciels-libres/pharo https://twitter.com/RenePaulMages