Re: Bikeshedding go! Why is <M-f4> unbound?

[Lennart Borgman]

On Fri, Jan 14, 2011 at 11:24 PM, Drew Adams <address@hidden> wrote:
>> > 2. Giving a default binding to this key will (yes, it seems
>> > to) discourage other uses of it in Emacs.  Over time, default
>> > bindings sometimes become sacrosanct.
>>
>> As I have already said (but you might have missed) Emacs does bind
>> Alt+F4 by default now (but does not use it). Aren't you from that
>> perspective actually kind of defending that binding?
>
> To the extent that I am arguing against Emacs binding M-f4 and not just 
> _asking
> why_ we should bind it:

This is not about M-f4, it is about A-f4.

> 1. No, I was not aware that it is already bound by default but that binding 
> does
> not work.  (I guess that's what you are saying.)  Just what do you mean by 
> that?
> On Windows: `C-h k M-<f4>' => "<M-f4> is undefined" (and the key does not 
> appear
> in the `global-map', at least).

Which means that Emacs actively shadows the default binding on w32.

Why should Emacs do that?