util.encodings: Use STD3 ASCII rules for idna.to_ascii.

diff --git a/util-src/encodings.c b/util-src/encodings.c
index 5147512f82fd210b9285c0db73259363e3be5ee8..c573a330b6709ba4a8feb4b69771944309f49ab6 100644 (file)
--- a/util-src/encodings.c
+++ b/util-src/encodings.c
@@ -174,7 +174,7 @@ static int Lidna_to_ascii(lua_State *L)             /** idna.to_ascii(s) */
        size_t len;
        const char *s = luaL_checklstring(L, 1, &len);
        char* output = NULL;
-       int ret = idna_to_ascii_8z(s, &output, 0);
+       int ret = idna_to_ascii_8z(s, &output, IDNA_USE_STD3_ASCII_RULES);
        if (ret == IDNA_SUCCESS) {
                lua_pushstring(L, output);
                idn_free(output);