bug#25960: minor gotcha in tutorial

[Eli Zaretskii]

> Date: Sat, 04 Mar 2017 10:47:55 +0000
> From: liam <liam@eliam.co.uk>
> Cc: npostavs@users.sourceforge.net, 25960@debbugs.gnu.org
> 
> Are you saying that no matter how long you wait, you never see "ESC-"
> in the echo area? If so, what version of Emacs do you have?
> 
> ------------
> 
> No, I'm saying even if I see ESC- in the echo area, C-g still results in 
> C-M-g is undefined. 
> 
> Version = GNU Emacs 24.5.1

Right, that was a bug in that version of Emacs.  It is fixed in Emacs 25.1.