bug#5040: 23.1; w32-register-hot-key problem

[Lennart Borgman <lennart.borgman@gmail.com>]

On Wed, Nov 25, 2009 at 11:01 PM, Drew Adams <drew.adams@oracle.com> wrote:
>> > As I said:
>> > 1. It works perfectly after the first time you hit `M-TAB'.
>> > 2. It works perfectly in Emacs 20 and 21, even the first time.
>> >
>> > So AFAICS what you say is simply not true, at least for me
>> > (Windows XP SP3).
>>
>> Why does it matter that it worked for you before?
>
> Huh? Who said anything about "before"?
>
> It works for me NOW. And probably for others too.
> It works in Emacs 20 and 21 always,
>   including the first time I hit `M-TAB'.
> It works in Emacs 22 and 23 also,
>   EXCEPT for the first time I hit `M-TAB'.
>
> This is a regression starting in Emacs 22. We know it is possible for it to work
> starting with the first `M-TAB', because it does (still) work in older Emacs
> versions (now, not "before').


No, it is not guaranteed to work. If you want to be sure that it works
you need something like the low level keyboard path I have suggested
before.