But generally speaking it’s not a reversible process and it is more difficult to do in reverse.

The compilation process discards information in the process leaving a many to one effect. A good decompiler allows one to retrieve a program that is functionally equivalent to the source code but not exactly the source code.

Emacs with org mode. It has so many feature hooked into so many other things such as time management, calendar, email, jupyter. Hard to switch.