I just realized that I have the same problem in emacs: when I add the grp:alts_toggle option, the left alt works fine, but the right alt is not alt/meta at all. So, I suppose if this can be fixed at the xkb layer, it could be more useful. Any hints?
- Bug#638694: xterm: alt-<arrow> == <arrow> Ahmad Khayyat
- Bug#638694: xterm: alt-<arrow> == <arrow> Thomas Dickey
- Bug#638694: Acknowledgement (xterm: alt-<arrow> =... Ahmad Khayyat