bug#31415: 27.0.50; Strange behavior on Command-$ in MacOS

[Eli Zaretskii]

> Date: Tue, 15 May 2018 19:52:21 +0100
> From: Alan Third <alan@idiocy.org>
> Cc: john.b.mastro@gmail.com, 31415@debbugs.gnu.org
> 
> There are a lot of default shortcuts, and they’re almost all
> customisable. It might be worth adding some text about how changing
> the behaviour of the modifier keys in Emacs doesn’t change their
> effect in macOS.
> 
> But I think that bit of the manual, modifier keys (macOS), could do
> with being rewritten. It’s slightly misleading and doesn’t mention the
> ns-command-modifier variables at all.

Patches welcome, thanks.