QMK defines Hyper as Ctrl+Shift+Alt+GUI.
XFCE4 is treating my Left super as Hyper, which also happens to be the key that was configured as Hyper in
xmodmap when the shortcut was defined.
Emacs doesn't treat QMK's Hyper as equivalent to the Hyper that can be generated in Emacs.
Is there a "hardware definition" for the Hyper that Emacs uses?