assert(name);
assert(ret);
+ /* First, try non-transitional mode (i.e. IDN2008 rules) */
r = sym_idn2_lookup_u8((uint8_t*) name, (uint8_t**) &t,
IDN2_NFC_INPUT | IDN2_NONTRANSITIONAL);
+ if (r == IDN2_DISALLOWED) /* If that failed, because of disallowed characters, try transitional mode.
+ * (i.e. IDN2003 rules which supports some unicode chars IDN2008 doesn't allow). */
+ r = sym_idn2_lookup_u8((uint8_t*) name, (uint8_t**) &t,
+ IDN2_NFC_INPUT | IDN2_TRANSITIONAL);
+
log_debug("idn2_lookup_u8: %s → %s", name, t);
if (r == IDN2_OK) {
if (!startswith(name, "xn--")) {