Note that every other character appears to work with this same syntax that
neg doesn't,  take for example:

(global-set-key (kbd "C-x g > =") "≥")

That and every other character in quotes that I have tried, works fine.
Only neg is different.

On Mon, Feb 15, 2016 at 1:03 PM, Andreas Schwab <schwab@suse.de> wrote:

> Alexis <flexibeast@gmail.com> writes:
>
> > The documentation for the `global-set-key` function, at least in 24.5.3
> > and in the emacs-25 branch as at d9ea7950, doesn't mention this
> > possibility:
> >
> >    (global-set-key KEY COMMAND)
> >
> >    Give KEY a global binding as COMMAND.  COMMAND is the command
> > definition to use; usually it is a symbol naming an
> > interactively-callable function.
> >
> > Perhaps it should be modified to refer to COMMAND-OR-VECTOR?
>
> A vector is a kind of command.  It's a keyboard macro.
>
> ELISP> (commandp [?¬])
> t
>
> For non-interactive use, define-key is preferred, which has all details.
>
> Andreas.
>
> --
> Andreas Schwab, SUSE Labs, schwab@suse.de
> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
> "And now for something completely different."
>