It seems to come from QT: https://qt.developpez.com/doc/6.1/qt/#LII-45 https://qt.developpez.com/doc/6.1/qt/#LII-45 . This is still confusing, since e.g. GTK+

It seems to come from QT: https://qt.developpez.com/doc/6.1/qt/#LII-45 https://qt.developpez.com/doc/6.1/qt/#LII-45 . This is still confusing, since e.g. GTK+ and TUIs like Emacs use a Meta to mean Alt/Option. https://www.gnu.org/software/emacs/manual/html_node/emacs/User-Input.html https://www.gnu.org/software/emacs/manual/html_node/emacs/Us... GTK+ claims to derive this names from X11/XFree86. https://docs.gtk.org/gdk4/keys.html https://docs.gtk.org/gdk4/keys.html