Disable IDN2_USE_STD3_ASCII_RULES to the libidn2 conversion because it
broke encoding some non-letter but valid domain names like _tcp or *.
This reverts commit ef8aa91740.
Disable IDN2_USE_STD3_ASCII_RULES to the libidn2 conversion because it
broke encoding some non-letter but valid domain names like _tcp or *.
This reverts commit ef8aa91740.