bug#10299: Emacs doesn't handle Unicode characters in keyboard layout on MS Windows

[Lennart Borgman]

On Thu, Dec 15, 2011 at 15:40, Jason Rumney <jasonr@gnu.org> wrote:
>
> It tries to use Unicode if the Windows input method is sending it.  The
> problem here is that there is no standard for Windows input methods, so
> even the ones built into Windows act differently for different languages
> and for the same language across different versions of Windows.
>
> Some input methods will send WM_UNICHAR messages with the Unicode
> character, which can be intercepted before they are turned into question
> marks by Windows. These will just work with Emacs.
>
> Others will send character codes corresponding to the codepoints in the
> default Windows codepage for that language (regardless of your system
> codepage). These can be handled by changing keyboard-coding-system
> within Emacs.
>
> Others will not send anything useful unless your system codepage is set
> appropriately for the language being input.
>
> It sounds like this one may be in the third category.

Since Windows can handle this there must be a way to do it. But maybe
there are no docs from MS that explains how?