Re: altwin:left_meta_win - super and meta on same key - how to fix

On Thu, May 21, 2026 at 12:20:39PM +0200, Lionel Élie Mamane wrote:
> On Thu, May 21, 2026 at 12:08:13PM +0200, Lionel Élie Mamane wrote:
> 
> > My /etc/default/keyboard contains
> 
> > XKBMODEL="microsoft4000"
> > XKBLAYOUT="us"
> > XKBVARIANT="euro"
> > XKBOPTIONS="altwin:left_meta_win,compose:menu"
> > BACKSPACE="guess"
> 
> > Emacs has started to treat the left Microsoft Windows logo key
> > as meta _and_ super at the same time, so that any binding in emacs
> > that uses Meta is unusable, because emacs will say I pressed M-s-FOO
> > when I pressed left Microsoft Windows logo key + FOO, which used to be
> > just M-FOO.
> 
> 
> "xmodmodmap" output:
> 
> shift       Shift_L (0x32),  Shift_R (0x3e)
> lock        Caps_Lock (0x42)
> control     Control_L (0x25),  Control_R (0x69)
> mod1        Alt_L (0x40),  Alt_L (0xcc)
> mod2        Num_Lock (0x4d)
> mod3        ISO_Level5_Shift (0xcb)
> mod4        Meta_L (0x85),  Super_R (0x86),  Meta_L (0xcd),  Super_L (0xce),  Hyper_L (0xcf)
> mod5        ISO_Level3_Shift (0x5c)
> 
> I tried "xmodmap -e 'remove mod4 = Super_R Super_L Hyper_L'" to get
> 
> mod4        Meta_L (0x85),  Meta_L (0xcd)
> 
> + start a new emacs, but it did not change anything.

But this worked:

$ xmodmap -e 'remove mod4 = Meta_L'
$ xmodmap -e 'add mod1 = Meta_L'

Is this an xkb bug then? Should I file it there?