Subject: bug#19977: 24.4; Incorrect translation of Super modifier with Ctrl or Meta on OS X

From: Eli Zaretskii <[email-masked]>
Date: Tue, 29 Mar 2016 18:10:32 +0300

> From: Philipp Stephani <[email-masked]>
> Date: Tue, 29 Mar 2016 10:17:42 +0000
> 
>  After pressing M-s-a, I get the message:
>  M-s-å is undefined
>  Expected: M-s-a (being defined or undefined)
> 
>  Tested running Emacs as a Carbon app on OS X:
>  open -W -n -a /Applications/Emacs.app --args -Q
> 
>  After pressing C-s-a, I get the message:
>  <C-s-268632065> is undefined
>  Expected: C-s-a (being defined or undefined)
> 
>  Seems to happen for all keys, not just a. For C-s-<letter>, the
>  character produced is 0x1002ffa0 + <letter> instead of <letter>; for
>  M-s-<letter> the character produced is whatever OS X maps to
>  Option+<letter>. This happens only if Super is pressed as well. More
>  discussion at
>  http://lists.gnu.org/archive/html/help-gnu-emacs/2015-02/msg00503.html.
> 
> Unfortunately this is still happening with 25.0.92.1. 

What is the evidence that this is an Emacs problem?

What do you get if you type s-a?