Helmut Eller writes:

"Pascal J.Bourguignon" pjb@informatimago.com writes:

...

How can we disable slime indentation and revert to the normal indentation?

By setting lisp-indent-function.

That's what I first thought, but the value of my lisp-indent-function was the normal one, nothing from slime/cl-indent.

I disabled it renaming slime/cl-indent and relaunching emacs...