XKB_KEY_NoSymbol is defined as 0 but does not correspond to a VT key with
ASCII value 0. No such key exists, so don't try to find such a key.
const xkb_keysym_t *s;
int num;
- if (n_syms == 1 && syms[0] < 128)
+ if (n_syms == 1 && syms[0] < 128 && syms[0] > 0)
return syms[0];
keymap = xkb_state_get_keymap(state);
for (lo = 0; lo < n_lo; ++lo) {
lv = xkb_state_key_get_level(state, code + KBDXKB_SHIFT, lo);
num = xkb_keymap_key_get_syms_by_level(keymap, code + KBDXKB_SHIFT, lo, lv, &s);
- if (num == 1 && s[0] < 128)
+ if (num == 1 && s[0] < 128 && s[0] > 0)
return s[0];
}