#altgr keycode 18 = euro
altgr keycode 15 = tilde
altgr keycode 24 = slash
altgr keycode 25 = backslash
altgr keycode 32 = pound
altgr keycode 37 = quotedbl
altgr keycode 38 = apostrophe
altgr keycode 50 = question
altgr keycode 51 = semicolon
altgr keycode 52 = colon