title: Right ALT key not working as meta key in emacs
body: <p>I have launched emacs (<code>emacs -Q</code>) in the console(<kbd>Ctrl</kbd>+<kbd>Alt</kbd>+<kbd>F1</kbd>). The "left <kbd>Alt</kbd> key" is 
  working whereas the "right <kbd>Alt</kbd> key" is not working. How to fix the problem. I am running emacs on archlinux</p>