bug#30043: 25.3; C-M-e inserts euro character

[Eli Zaretskii <eliz@gnu.org>]

> From: Tomas Nordin <tomasn@posteo.net>
> Cc: 30043@debbugs.gnu.org
> Date: Wed, 10 Jan 2018 22:49:32 +0100
> 
> ./emacs-24.5/bin/runemacs.exe -Q
> fundamental mode
> Trying C-M-e with num key lit: end-of-defun is run
> Trying C-M-e with num key un-lit: end-of-defun is run
> 
> ./emacs-25.3_1/bin/runemacs.exe -Q
> fundamental mode
> Trying C-M-e with num key lit: € is inserted
> Trying C-M-e with num key un-lit: € is inserted

Does it help to set w32-use-fallback-wm-chars-method to a non -nil
value in Emacs 25.3?

> Also, on this keyboard the $ sign is on numeric key 4 and @ character is
> on key 2. They get inserted by C-M-4 and C-M-2 respectively in the
> Notepad editor for example, (simalar to the C-M-e event). The same is
> true on my neighbours computer. Thats news to me, I usually use "alt gr
> + 2" for example to insert @. So one could maybe think that those
> key-strokes are in the danger zone as well but in both emacs versions
> the effect is
> 
> C-M-2 runs the command digit-argument
> C-M-4 runs the command digit-argument
> 
> no insertion of @ or $.

My keyboard has none of that, so I'm not really sure what's going on.