> the option to save off a hierarchy of classes to text
And so did ancient Smalltalks.
1984 "Smalltalk-80 The Interactive Programming Environment" page 46
"Within each project, a set of changes you make to class descriptions is maintained. … Using a browser view of this set of changes, you can find out what you have been doing. Also, you can use the set of changes to create an external file containing descriptions of the modifications you have made to the system so that you can share your work with other users."
And so did ancient Smalltalks.
1984 "Smalltalk-80 The Interactive Programming Environment" page 46
"Within each project, a set of changes you make to class descriptions is maintained. … Using a browser view of this set of changes, you can find out what you have been doing. Also, you can use the set of changes to create an external file containing descriptions of the modifications you have made to the system so that you can share your work with other users."
https://rmod-files.lille.inria.fr/FreeBooks/TheInteractivePr...