Subject: bug#38296: Allow Option key to be modifier for non-char key and mouse events

From: Eli Zaretskii <[email-masked]>
Date: Wed, 27 Nov 2019 06:51:31 +0200

> From: Mattias Engdegård <[email-masked]>
> Date: Tue, 26 Nov 2019 22:36:32 +0100
> Cc: [email-masked]
> 
>   The modifiers themselves can be customised; see Mac / GNUstep Customization.

Btw, "customised" is not the US English spelling; please fix before
pushing.