> I want to know that some folder full of source code is the program, and some other folder is the data … That would be completely ordinary with Smalltalk. "W

> I want to know that some folder full of source code is the program, and some other folder is the data … That would be completely ordinary with Smalltalk. "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." 1984 Smalltalk-80 The Interactive Programming Environment page 46 https://rmod-files.lille.inria.fr/FreeBooks/TheInteractiveProgrammingEnv/TheInteractiveProgrammingEnv.pdf https://rmod-files.lille.inria.fr/FreeBooks/TheInteractivePr...