diff --git a/bin/dig/Makefile.in b/bin/dig/Makefile.in

index 5e9febc..b1861a5 100644

--- a/bin/dig/Makefile.in

+++ b/bin/dig/Makefile.in

@@ -48,10 +48,10 @@ DEPLIBS =	${DNSDEPLIBS} ${BIND9DEPLIBS} ${ISCDEPLIBS} \

 		${ISCCFGDEPLIBS} ${LWRESDEPLIBS}

 LIBS =		${LWRESLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \

-		${ISCLIBS} @IDNLIBS@ @LIBS@

+		${ISCLIBS} @IDNLIBS@ @LIBS@ -lidn

 NOSYMLIBS =	${LWRESLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \

-		${ISCNOSYMLIBS} @IDNLIBS@ @LIBS@

+		${ISCNOSYMLIBS} @IDNLIBS@ @LIBS@ -lidn

 SUBDIRS =

@@ -69,6 +69,8 @@ HTMLPAGES =	dig.html host.html nslookup.html

 MANOBJS =	${MANPAGES} ${HTMLPAGES}

+EXT_CFLAGS = -DWITH_LIBIDN

+

 @BIND9_MAKE_RULES@

 dig@EXEEXT@: dig.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS}

diff --git a/bin/dig/dig.docbook b/bin/dig/dig.docbook

index c54d677..1079421 100644

--- a/bin/dig/dig.docbook

+++ b/bin/dig/dig.docbook

@@ -1170,8 +1170,8 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr

       <command>dig</command> appropriately converts character encoding of

       domain name before sending a request to DNS server or displaying a

       reply from the server.

-      If you'd like to turn off the IDN support for some reason, defines

-      the <envar>IDN_DISABLE</envar> environment variable.

+      If you'd like to turn off the IDN support for some reason, define

+      the <envar>CHARSET=ASCII</envar> environment variable.

       The IDN support is disabled if the variable is set when

       <command>dig</command> runs.

     </para>

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c

index 3ca7cb9..f11884e 100644

--- a/bin/dig/dighost.c

+++ b/bin/dig/dighost.c

@@ -44,6 +44,11 @@

 #include <idn/api.h>

 #endif

+#ifdef WITH_LIBIDN

+#include <stringprep.h>

+#include <idna.h>

+#endif

+

 #include <dns/byaddr.h>

 #ifdef DIG_SIGCHASE

 #include <dns/callbacks.h>

@@ -168,6 +173,14 @@ static void		idn_check_result(idn_result_t r, const char *msg);

 int  idnoptions	= 0;

 #endif

+#ifdef WITH_LIBIDN

+static isc_result_t	libidn_locale_to_utf8 (const char* from, char *to);

+static isc_result_t	libidn_utf8_to_ascii (const char* from, char *to);

+static isc_result_t	output_filter (isc_buffer_t *buffer,

+				       unsigned int used_org,

+				       isc_boolean_t absolute);

+#endif

+

 isc_socket_t *keep = NULL;

 isc_sockaddr_t keepaddr;

@@ -1404,8 +1417,15 @@ setup_system(void) {

 #ifdef WITH_IDN

 	initialize_idn();

+	

+#endif

+#ifdef WITH_LIBIDN

+	result = dns_name_settotextfilter(output_filter);

+	check_result(result, "dns_name_settotextfilter");

+#ifdef HAVE_SETLOCALE

+	setlocale (LC_ALL, "");

+#endif

 #endif

-

 	if (keyfile[0] != 0)

 		setup_file_key();

 	else if (keysecret[0] != 0)

@@ -2191,12 +2211,14 @@ setup_lookup(dig_lookup_t *lookup) {

 	idn_result_t mr;

 	char utf8_textname[MXNAME], utf8_origin[MXNAME], idn_textname[MXNAME];

 #endif

+#ifdef WITH_LIBIDN

+	char utf8_str[MXNAME], utf8_name[MXNAME], ascii_name[MXNAME];

+#endif

-#ifdef WITH_IDN

+#if defined (WITH_IDN) || defined (WITH_LIBIDN)

 	result = dns_name_settotextfilter(output_filter);

 	check_result(result, "dns_name_settotextfilter");

 #endif

-

 	REQUIRE(lookup != NULL);

 	INSIST(!free_now);

@@ -2233,6 +2255,14 @@ setup_lookup(dig_lookup_t *lookup) {

 	mr = idn_encodename(IDN_LOCALCONV | IDN_DELIMMAP, lookup->textname,

 			    utf8_textname, sizeof(utf8_textname));

 	idn_check_result(mr, "convert textname to UTF-8");

+#elif defined (WITH_LIBIDN)

+	result = libidn_locale_to_utf8 (lookup->textname, utf8_str);

+	check_result (result, "convert textname to UTF-8");

+	len = strlen (utf8_str);

+	if (len < MXNAME)

+		(void) strcpy (utf8_name, utf8_str);

+	else

+		fatal ("Too long name");

 #endif

 	/*

@@ -2245,15 +2275,11 @@ setup_lookup(dig_lookup_t *lookup) {

 	if (lookup->new_search) {

 #ifdef WITH_IDN

 		if ((count_dots(utf8_textname) >= ndots) || !usesearch) {

-			lookup->origin = NULL; /* Force abs lookup */

-			lookup->done_as_is = ISC_TRUE;

-			lookup->need_search = usesearch;

-		} else if (lookup->origin == NULL && usesearch) {

-			lookup->origin = ISC_LIST_HEAD(search_list);

-			lookup->need_search = ISC_FALSE;

-		}

+#elif defined (WITH_LIBIDN)

+		if ((count_dots(utf8_name) >= ndots) || !usesearch) {

 #else

 		if ((count_dots(lookup->textname) >= ndots) || !usesearch) {

+#endif

 			lookup->origin = NULL; /* Force abs lookup */

 			lookup->done_as_is = ISC_TRUE;

 			lookup->need_search = usesearch;

@@ -2261,7 +2287,6 @@ setup_lookup(dig_lookup_t *lookup) {

 			lookup->origin = ISC_LIST_HEAD(search_list);

 			lookup->need_search = ISC_FALSE;

 		}

-#endif

 	}

 #ifdef WITH_IDN

@@ -2278,6 +2303,20 @@ setup_lookup(dig_lookup_t *lookup) {

 			    IDN_IDNCONV | IDN_LENCHECK, utf8_textname,

 			    idn_textname, sizeof(idn_textname));

 	idn_check_result(mr, "convert UTF-8 textname to IDN encoding");

+#elif defined (WITH_LIBIDN)

+	if (lookup->origin != NULL) {

+		result = libidn_locale_to_utf8 (lookup->origin->origin, utf8_str);

+		check_result (result, "convert origin to UTF-8");

+		if (len > 0 && utf8_name[len - 1] != '.') {

+			utf8_name[len++] = '.';

+			if (len + strlen (utf8_str) < MXNAME)

+				(void) strcpy (utf8_name + len, utf8_str);

+			else

+				fatal ("Too long name + origin");

+		}

+	}

+

+	result = libidn_utf8_to_ascii (utf8_name, ascii_name);

 #else

 	if (lookup->origin != NULL) {

 		debug("trying origin %s", lookup->origin->origin);

@@ -2348,6 +2387,13 @@ setup_lookup(dig_lookup_t *lookup) {

 			result = dns_name_fromtext(lookup->name, &b,

 						   dns_rootname, 0,

 						   &lookup->namebuf);

+#elif defined (WITH_LIBIDN)

+			len = strlen (ascii_name);

+			isc_buffer_init(&b, ascii_name, len);

+			isc_buffer_add(&b, len);

+			result = dns_name_fromtext(lookup->name, &b,

+						   dns_rootname, 0,

+						   &lookup->namebuf);

 #else

 			len = strlen(lookup->textname);

 			isc_buffer_init(&b, lookup->textname, len);

@@ -4227,7 +4273,7 @@ destroy_libs(void) {

 	void * ptr;

 	dig_message_t *chase_msg;

 #endif

-#ifdef WITH_IDN

+#if defined (WITH_IDN) || defined (WITH_LIBIDN)

 	isc_result_t result;

 #endif

@@ -4268,6 +4314,10 @@ destroy_libs(void) {

 	result = dns_name_settotextfilter(NULL);

 	check_result(result, "dns_name_settotextfilter");

 #endif

+#ifdef WITH_LIBIDN

+	result = dns_name_settotextfilter (NULL);

+	check_result(result, "clearing dns_name_settotextfilter");

+#endif

 	dns_name_destroy();

 	if (commctx != NULL) {

@@ -4453,6 +4503,97 @@ idn_check_result(idn_result_t r, const char *msg) {

 	}

 }

 #endif /* WITH_IDN */

+#ifdef WITH_LIBIDN

+static isc_result_t

+libidn_locale_to_utf8 (const char *from, char *to) {

+	char *utf8_str;

+

+	debug ("libidn_locale_to_utf8");

+	utf8_str = stringprep_locale_to_utf8 (from);

+	if (utf8_str != NULL) {

+		(void) strcpy (to, utf8_str);

+		free (utf8_str);

+		return ISC_R_SUCCESS;

+	}

+

+	debug ("libidn_locale_to_utf8: failure");

+	return ISC_R_FAILURE;

+}

+static isc_result_t

+libidn_utf8_to_ascii (const char *from, char *to) {

+	char *ascii;

+	int iresult;

+

+	debug ("libidn_utf8_to_ascii");

+	iresult = idna_to_ascii_8z (from, &ascii, 0);

+	if (iresult != IDNA_SUCCESS) {

+		debug ("idna_to_ascii_8z: %s", idna_strerror (iresult));

+		return ISC_R_FAILURE;

+	}

+

+	(void) strcpy (to, ascii);

+	free (ascii);

+	return ISC_R_SUCCESS;

+}

+

+static isc_result_t

+output_filter (isc_buffer_t *buffer, unsigned int used_org,

+	       isc_boolean_t absolute) {

+

+	char tmp1[MXNAME], *tmp2;

+        size_t fromlen, tolen;

+        isc_boolean_t end_with_dot;

+	int iresult;

+

+	debug ("output_filter");

+

+        fromlen = isc_buffer_usedlength (buffer) - used_org;

+	if (fromlen >= MXNAME)

+		return ISC_R_SUCCESS;

+        memcpy (tmp1, (char *) isc_buffer_base (buffer) + used_org, fromlen);

+        end_with_dot = (tmp1[fromlen - 1] == '.') ? ISC_TRUE : ISC_FALSE;

+        if (absolute && !end_with_dot) {

+                fromlen++;

+		if (fromlen >= MXNAME)

+			return ISC_R_SUCCESS;

+                tmp1[fromlen - 1] = '.';

+        }

+        tmp1[fromlen] = '\0';

+

+	iresult = idna_to_unicode_8z8z (tmp1, &tmp2, 0);

+	if (iresult != IDNA_SUCCESS) {

+		debug ("output_filter: %s", idna_strerror (iresult));

+		return ISC_R_SUCCESS;

+	}

+

+	(void) strcpy (tmp1, tmp2);

+	free (tmp2);

+

+	tmp2 = stringprep_utf8_to_locale (tmp1);

+	if (tmp2 == NULL) {

+		debug ("output_filter: stringprep_utf8_to_locale failed");

+		return ISC_R_SUCCESS;

+	}

+

+	(void) strcpy (tmp1, tmp2);

+	free (tmp2);

+

+        tolen = strlen (tmp1);

+        if (absolute && !end_with_dot && tmp1[tolen - 1] == '.')

+                tolen--;

+

+        if (isc_buffer_length (buffer) < used_org + tolen)

+                return ISC_R_NOSPACE;

+

+	debug ("%s", tmp1);

+

+        isc_buffer_subtract (buffer, isc_buffer_usedlength (buffer) - used_org);

+        memcpy (isc_buffer_used (buffer), tmp1, tolen);

+        isc_buffer_add (buffer, tolen);

+

+        return ISC_R_SUCCESS;

+}

+#endif /* WITH_LIBIDN*/

 #ifdef DIG_SIGCHASE

 void