The setup of outshine package for emacs requires the user to set the
"\M-#" before the
package (that ships with emacs) is loaded.
The best way to do this is via the Customize interface in emacs.
So I did
M-x customize and set that variable’s value to
"\M-#" and restarted
emacs and that worked.
But then I was surprised to see that value being saved in the