You can hook as you wish, manually, automatically etc in Emacs it's just a matter of an (add-hook call, eventually at file-level with a # Local variables: call

You can hook as you wish, manually, automatically etc in Emacs it's just a matter of an (add-hook call, eventually at file-level with a # Local variables: call That's the big plus of classic systems compared to Unix and all others: anything is a function, anything can be called everywhere because the REPL itself is not a CLI but a GUI, a framework. That's valid for SmallTalk workstations from Xerox to Emacs :-)