9.2.3rc1

44 files changed, 5477 insertions, 0 deletions

diff --git a/contrib/idn/idnkit-1.0-src/include/Makefile.in b/contrib/idn/idnkit-1.0-src/include/Makefile.in
new file mode 100644
index 00000000..cf931a3d
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/Makefile.in
@@ -0,0 +1,65 @@
+# $Id: Makefile.in,v 1.1.1.1 2003/06/04 00:25:33 marka Exp $
+# Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+#  
+# By using this file, you agree to the terms and conditions set forth bellow.
+# 
+# 			LICENSE TERMS AND CONDITIONS 
+# 
+# The following License Terms and Conditions apply, unless a different
+# license is obtained from Japan Network Information Center ("JPNIC"),
+# a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+# Chiyoda-ku, Tokyo 101-0047, Japan.
+# 
+# 1. Use, Modification and Redistribution (including distribution of any
+#    modified or derived work) in source and/or binary forms is permitted
+#    under this License Terms and Conditions.
+# 
+# 2. Redistribution of source code must retain the copyright notices as they
+#    appear in each source code file, this License Terms and Conditions.
+# 
+# 3. Redistribution in binary form must reproduce the Copyright Notice,
+#    this License Terms and Conditions, in the documentation and/or other
+#    materials provided with the distribution.  For the purposes of binary
+#    distribution the "Copyright Notice" refers to the following language:
+#    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+# 
+# 4. The name of JPNIC may not be used to endorse or promote products
+#    derived from this Software without specific prior written approval of
+#    JPNIC.
+# 
+# 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+#    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+#    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+#    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+srcdir = @srcdir@
+VPATH = @srcdir@
+
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+SHELL = @SHELL@
+
+SUBDIRS = idn mdn
+
+all: all-subdirs
+install: install-subdirs
+clean: clean-subdirs
+distclean: distclean-localdir distclean-subdirs
+check test: test-subdirs
+
+all-subdirs install-subdirs clean-subdirs distclean-subdirs test-subdirs:
+	@target=`echo $@ | sed 's/-subdirs$$//'`; \
+	for d in $(SUBDIRS); do \
+	    (cd $$d; $(MAKE) DESTDIR=$(DESTDIR) $$target); \
+	done
+
+distclean-localdir:
+	rm -f config.h Makefile
diff --git a/contrib/idn/idnkit-1.0-src/include/config.h.in b/contrib/idn/idnkit-1.0-src/include/config.h.in
new file mode 100644
index 00000000..304ec30b
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/config.h.in
@@ -0,0 +1,181 @@
+/* include/config.h.in.  Generated automatically from configure.in by autoheader.  */
+/* $Id: config.h.in,v 1.1.1.1 2003/06/04 00:25:34 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+/* Define to `int' if <sys/types.h> doesn't define.  */
+#undef gid_t
+
+/* Define if you have the ANSI C header files.  */
+#undef STDC_HEADERS
+
+/* Define to `int' if <sys/types.h> doesn't define.  */
+#undef uid_t
+
+/* Define as an appropriate type (ex. int) if your system doesn't have. */
+#undef BOOL
+
+/* Define if you have the bcopy function.  */
+#undef HAVE_BCOPY
+
+/* Define if you have the dlopen function.  */
+#undef HAVE_DLOPEN
+
+/* Define if you have the dlsym function.  */
+#undef HAVE_DLSYM
+
+/* Define if you have the freeaddrinfo function.  */
+#undef HAVE_FREEADDRINFO
+
+/* Define if you have the freehostent function.  */
+#undef HAVE_FREEHOSTENT
+
+/* Define if you have the getaddrinfo function.  */
+#undef HAVE_GETADDRINFO
+
+/* Define if you have the gethostbyaddr function.  */
+#undef HAVE_GETHOSTBYADDR
+
+/* Define if you have the gethostbyaddr_r function.  */
+#undef HAVE_GETHOSTBYADDR_R
+
+/* Define if you have the gethostbyname function.  */
+#undef HAVE_GETHOSTBYNAME
+
+/* Define if you have the gethostbyname2 function.  */
+#undef HAVE_GETHOSTBYNAME2
+
+/* Define if you have the gethostbyname2_r function.  */
+#undef HAVE_GETHOSTBYNAME2_R
+
+/* Define if you have the gethostbyname_r function.  */
+#undef HAVE_GETHOSTBYNAME_R
+
+/* Define if you have the getipnodebyaddr function.  */
+#undef HAVE_GETIPNODEBYADDR
+
+/* Define if you have the getipnodebyname function.  */
+#undef HAVE_GETIPNODEBYNAME
+
+/* Define if you have the getnameinfo function.  */
+#undef HAVE_GETNAMEINFO
+
+/* Define if you have the memmove function.  */
+#undef HAVE_MEMMOVE
+
+/* Define if you have the nl_langinfo function.  */
+#undef HAVE_NL_LANGINFO
+
+/* Define if you have the setenv function.  */
+#undef HAVE_SETENV
+
+/* Define if you have the setlocale function.  */
+#undef HAVE_SETLOCALE
+
+/* Define if you have the setvbuf function.  */
+#undef HAVE_SETVBUF
+
+/* Define if you have the unsetenv function.  */
+#undef HAVE_UNSETENV
+
+/* Define if you have the vsnprintf function.  */
+#undef HAVE_VSNPRINTF
+
+/* Define if you have the <dlfcn.h> header file.  */
+#undef HAVE_DLFCN_H
+
+/* Define if you have the <langinfo.h> header file.  */
+#undef HAVE_LANGINFO_H
+
+/* Define if you have the <locale.h> header file.  */
+#undef HAVE_LOCALE_H
+
+/* Define if you have the <pwd.h> header file.  */
+#undef HAVE_PWD_H
+
+/* Define if you have the <unistd.h> header file.  */
+#undef HAVE_UNISTD_H
+
+/* Define if you have the nsl library (-lnsl).  */
+#undef HAVE_LIBNSL
+
+/* Define if you have the socket library (-lsocket).  */
+#undef HAVE_LIBSOCKET
+
+/* Define if --enable-mdnkit-compat is specified */
+#undef ENABLE_MDNKIT_COMPAT
+
+/* Define if you want additional ACE converters compiled in. */
+#undef IDN_EXTRA_ACE
+
+/* Define if your iconv() does not accept UTF-8 as the codeset name for utf-8. */
+#undef IDN_UTF8_ENCODING_NAME
+
+/* Define if you have the dl library (-ldl). */
+#undef HAVE_LIBDL
+
+/* Define as the type of the 1st argument of gethostbyaddr. */
+#undef GHBA_ADDR_T
+
+/* Define as the type of the 2nd argument of gethostbyaddr. */
+#undef GHBA_ADDRLEN_T
+
+/* Define as the type of the 2nd argument of getnameinfo. */
+#undef GNI_SALEN_T
+
+/* Define as the type of the 4th argument of getnameinfo. */
+#undef GNI_HOSTLEN_T
+
+/* Define as the type of the 6th argument of getnameinfo. */
+#undef GNI_SERVLEN_T
+
+/* Define as the type of the 7th argument of getnameinfo. */
+#undef GNI_FLAGS_T
+
+/* Define if the prototype of gethost*_r is glibc flavor. */
+#undef GETHOST_R_GLIBC_FLAVOR
+
+/* Define as the pathname of the shared libc object if your system has one. */
+#undef SOPATH_LIBC
+
+/* Define as the pathname of the shared libnsl object if your system has one. */
+#undef SOPATH_LIBNSL
diff --git a/contrib/idn/idnkit-1.0-src/include/config.h.win b/contrib/idn/idnkit-1.0-src/include/config.h.win
new file mode 100644
index 00000000..3ed87dfe
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/config.h.win
@@ -0,0 +1,45 @@
+/* $Id: config.h.win,v 1.1.1.1 2003/06/04 00:25:34 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+/* for enabling RACE */
+#define IDN_EXTRA_ACE
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/Makefile.in b/contrib/idn/idnkit-1.0-src/include/idn/Makefile.in
new file mode 100644
index 00000000..b99cf8c1
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/Makefile.in
@@ -0,0 +1,103 @@
+# $Id: Makefile.in,v 1.1.1.1 2003/06/04 00:25:34 marka Exp $
+# Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+#  
+# By using this file, you agree to the terms and conditions set forth bellow.
+# 
+# 			LICENSE TERMS AND CONDITIONS 
+# 
+# The following License Terms and Conditions apply, unless a different
+# license is obtained from Japan Network Information Center ("JPNIC"),
+# a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+# Chiyoda-ku, Tokyo 101-0047, Japan.
+# 
+# 1. Use, Modification and Redistribution (including distribution of any
+#    modified or derived work) in source and/or binary forms is permitted
+#    under this License Terms and Conditions.
+# 
+# 2. Redistribution of source code must retain the copyright notices as they
+#    appear in each source code file, this License Terms and Conditions.
+# 
+# 3. Redistribution in binary form must reproduce the Copyright Notice,
+#    this License Terms and Conditions, in the documentation and/or other
+#    materials provided with the distribution.  For the purposes of binary
+#    distribution the "Copyright Notice" refers to the following language:
+#    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+# 
+# 4. The name of JPNIC may not be used to endorse or promote products
+#    derived from this Software without specific prior written approval of
+#    JPNIC.
+# 
+# 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+#    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+#    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+#    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+srcdir = @srcdir@
+VPATH = @srcdir@
+
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+includedir = @includedir@
+idnincludedir = $(includedir)/idn
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+MKINSTALLDIRS = @top_srcdir@/mkinstalldirs
+SHELL = @SHELL@
+
+HDRS = \
+	api.h \
+	assert.h \
+	checker.h \
+	converter.h \
+	debug.h \
+	delimitermap.h \
+	export.h \
+	filechecker.h \
+	filemapper.h \
+	localencoding.h \
+	log.h \
+	logmacro.h \
+	mapper.h \
+	mapselector.h \
+	nameprep.h \
+	normalizer.h \
+	punycode.h \
+	race.h \
+	res.h \
+	resconf.h \
+	result.h \
+	strhash.h \
+	ucsmap.h \
+	ucsset.h \
+	unicode.h \
+	unormalize.h \
+	ucs4.h \
+	utf8.h \
+	util.h \
+	version.h
+
+all:
+
+install:
+	$(MKINSTALLDIRS) $(DESTDIR)$(idnincludedir)
+	for hdr in $(HDRS); do \
+	    $(INSTALL_DATA) $(srcdir)/$$hdr $(DESTDIR)$(idnincludedir)/$$hdr; \
+	done
+
+clean:
+	rm -f *~
+
+distclean: clean
+	rm -f Makefile
+
+test check:
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/aliaslist.h b/contrib/idn/idnkit-1.0-src/include/idn/aliaslist.h
new file mode 100644
index 00000000..61c3fd5e
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/aliaslist.h
@@ -0,0 +1,114 @@
+/* $Id: aliaslist.h,v 1.1.1.1 2003/06/04 00:25:34 marka Exp $ */
+/*
+ * Copyright (c) 2002 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_ALIASLIST_H
+#define IDN_ALIASLIST_H 1
+
+#include <idn/result.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct idn__aliaslist *idn__aliaslist_t;
+
+/*
+ * Create a list.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+extern idn_result_t
+idn__aliaslist_create(idn__aliaslist_t *listp);
+
+/*
+ * Delete a list created by 'idn__aliaslist_create'.
+ */
+extern void
+idn__aliaslist_destroy(idn__aliaslist_t list);
+
+/*
+ * Parse alias information file and set items to the list.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nofile		-- no such file.
+ *	idn_invalid_syntax	-- file is malformed.
+ *	idn_nomemory		-- malloc failed.
+ */
+extern idn_result_t
+idn__aliaslist_aliasfile(idn__aliaslist_t list, const char *path);
+
+/*
+ * Add an item to the list.
+ *
+ * If top is 0, item is placed as the last item of the alias list.
+ * Otherwise, it is done as the first item.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+extern idn_result_t
+idn__aliaslist_additem(idn__aliaslist_t list,
+		       const char *pattern, const char *encoding,
+		       int first_item);
+
+/*
+ * Find the encoding name with the specified pattern by wildcard
+ * match.
+ *
+ * Returns:
+ *	idn_success		-- ok. found.
+ *	idn_noentry		-- not found.
+ */
+extern idn_result_t
+idn__aliaslist_find(idn__aliaslist_t list,
+		   const char *pattern, char **encodingp);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_ALIASLIST_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/api.h b/contrib/idn/idnkit-1.0-src/include/idn/api.h
new file mode 100644
index 00000000..ca529f3d
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/api.h
@@ -0,0 +1,298 @@
+/* $Id: api.h,v 1.1.1.1 2003/06/04 00:25:35 marka Exp $ */
+/*
+ * Copyright (c) 2001,2002 Japan Network Information Center.
+ * All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_API_H
+#define IDN_API_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <idn/export.h>
+#include <idn/result.h>
+#include <idn/res.h>
+
+/*
+ * Application Programming Interface for Internationalized Domain Name
+ * Handling.  This module provides high-level APIs for ordinary applications.
+ * Low-level APIs are also available.  See "res.h" for details.
+ */
+
+/*
+ * Enable or disable IDN conversion scheme.
+ *
+ * If on_off is 0, IDN conversion scheme is disabled. Otherwise, IDN
+ * conversion is enabled even when IDN_DISABLE is defined.
+ */
+IDN_EXPORT void
+idn_enable(int on_off);
+
+/*
+ * Set configuration file name.
+ * This function is for private use only.
+ *
+ * When idn_nameinit(1) is called, this module loads `file'.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_failure		-- idn_nameinit() has already been
+ *				   called.
+ */
+extern idn_result_t
+idn__setconffile(const char *file);
+
+/*
+ * Initialize this module, and load configuration from the default
+ * configuration file (idn.conf).
+ *
+ * The initialization will be done only once when this function is
+ * called first, while either loading of the configuration file or
+ * setting the defaults behavior without the configuration file will
+ * be done every time it is called.
+ *
+ * If load_file is 0, this will set the defaults behavior without the
+ * configuration file.  Otherwise, loading of the configuration file
+ * occurs.
+ *
+ * If 'idn_encodename' or 'idn_decodename' is called without calling
+ * this function, implicit initialization without the configuration
+ * file will be done prior to encoding/decoding process.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nofile		-- cannot open the configuration file.
+ *	idn_invalid_syntax	-- syntax error found in the file.
+ *	idn_invalid_name	-- there are invalid names (encoding,
+ *				   normalization etc.).
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_nameinit(int load_file);
+
+/*
+ * Encode internationalized domain name.
+ *
+ * The encoding process consists of the following 7 steps.
+ *
+ *    1. Local encoding to UTF-8 conversion
+ *       Converts a domain name written with local encoding (e.g. ISO-
+ *       8859-1) to UTF-8.
+ *    2. Delimiter mapping,
+ *       Maps certain characters to period (U+002E, FULL STOP).
+ *    3. Local mapping
+ *       Apply character mappings according with the TLD of the domain
+ *       name.
+ *    4. NAMEPREP
+ *       Perform NAME preparation described in RFC3491.
+ *       This step consists of the following 4 steps:
+ *       4.1. Mapping
+ *       4.2. Normalization
+ *       4.3. Prohibited character check
+ *       4.4. Unassigned check
+ *    5. ASCII range character check
+ *       Checks if the domain name contains non-LDH ASCII character (not
+ *       alpha-numeric or hypen), or it begins or end with hypen.
+ *    6. UTF-8 to IDN encoding conversion.
+ *       Converts the domain name from UTF-8 to ACE (e.g. Punycode).
+ *    7. Length check
+ *       Checks the length of each label.
+ *
+ * 'actions' specifies actions and options of the encoding procedure.
+ * Its value is a bitwise-or of the following flags:
+ *
+ *   IDN_LOCALCONV	-- perform local encoding to UTF-8 conversion (step 1)
+ *   IDN_DELIMMAP	-- perform delimiter mapping (step 2)
+ *   IDN_LOCALMAP	-- perform local mapping (step 3)
+ *   IDN_MAP		-- perform mapping (step 4.1)
+ *   IDN_NORMALIZE	-- perform normalization (step 4.2)
+ *   IDN_PROHCHECK	-- perform prohibited character check (step 4.3)
+ *   IDN_UNASCHECK	-- perform unassigned codepoint check (step 4.4)
+ *   IDN_ASCCHECK	-- perform ASCII range character check (step 5)
+ *   IDN_IDNCONV	-- perform UTF-8 to IDN encoding conversion (step 6)
+ *   IDN_LENCHECK	-- perform length check (step 7)
+ *
+ * Also the following flags are provided for convinience:
+ *
+ *   IDN_ENCODE_QUERY	-- On libidnkit, perform step 1..7, except for step
+ *			   4.4 and 5.
+ *			   On libidnkitlite, perform step 2..7, except for
+ *			   step 4.4 and 5.
+ *   IDN_ENCODE_STORED	-- On libidnkit, perform step 1..7, except for step
+ *			   5.
+ *			   On libidnkitlite, perform step 2..7, except for
+ *			   step 5.
+ *   IDN_ENCODE_APP	-- Same as IDN_ENCODE_QUERY.
+ *   IDN_NAMEPREP	-- perform NAMEPREP (step 4) without unassigned
+ *			   codepoint check (step 4.4).
+ *
+ * The following flag does not corresponding to a particular action,
+ * but an option of conversion process:
+ *
+ *   IDN_UNDOIFERR	-- If any step fails, the original input name is
+ *                         returned.
+ *
+ * Note that if no flags are specified, 'idn_encodename' does nothing
+ * fancy, just copies the given name verbatim.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_action	-- invalid action flag specified.
+ *	idn_invalid_encoding	-- the given string has invalid/illegal
+ *				   byte sequence.
+ *	idn_invalid_length	-- invalid length of a label.
+ *	idn_prohibited		-- prohibited/unassigned code point found.
+ *	idn_buffer_overflow	-- 'tolen' is too small.
+ *	idn_nomemory		-- malloc failed.
+ *
+ * Also, if this function is called without calling 'idn_nameinit',
+ * the following error codes might be returned.
+ *	idn_nofile		-- cannot open the configuration file.
+ *	idn_invalid_syntax	-- syntax error found in the file.
+ *	idn_invalid_name	-- there are invalid names (encoding,
+ *				   normalization etc.).
+ */
+IDN_EXPORT idn_result_t
+idn_encodename(idn_action_t actions, const char *from, char *to, size_t tolen);
+
+/*
+ * Decode internationalized domain name.
+ *
+ * The decoding process consists of the following 5 steps.
+ *
+ *    1. delimiter mapping
+ *       Maps certain characters to period (U+002E, FULL STOP).
+ *    2. NAMEPREP
+ *       Perform NAME preparation described in RFC3491.
+ *       This step consists of the following 4 steps:
+ *       2.1. Mapping
+ *       2.2. Normalization
+ *       2.3. Prohibited character check
+ *       2.4. Unassigned check
+ *    3. IDN encoding to UTF-8 conversion.
+ *       Converts the domain name from ACE (e.g. Punycode) to UCS4.
+ *    4. Perform round-trip check.
+ *       Encode the result of step 3, and then compare it with the result
+ *       of the step 2.  If they are different, the check is failed.
+ *    5. Convert UTF-8 to local encoding.
+ *       If a character in the domain name cannot be converted to local
+ *       encoding, the conversion is failed.
+ *
+ * 'actions' specifies actions of the decoding procedure.
+ * Its value is a bitwise-or of the following flags:
+ *
+ *   IDN_DELIMMAP	-- perform delimiter mapping (step 1)
+ *   IDN_MAP		-- perform mapping (step 2.1)
+ *   IDN_NORMALIZE	-- perform normalization (step 2.2)
+ *   IDN_PROHCHECK	-- perform prohibited character check (step 2.3)
+ *   IDN_UNASCHECK	-- perform unassigned codepoint check (step 2.4)
+ *   IDN_IDNCONV	-- perform IDN encoding to UTF-8 conversion (step 3)
+ *   IDN_RTCHECK        -- perform round-trip check (step 4)
+ *   IDN_ASCCHECK	-- perform ASCII range character check while
+ *			   round-trip check (step 4.1)
+ *   IDN_LOCALCONV      -- perform UTF-8 to local encoding conversion (step 5)
+ *
+ * Also the following flags are provided for the convenience:
+ *
+ *   IDN_DECODE_QUERY	-- On libidnkit, perform step 1..5, except for step
+ *			   2.4 and 4.1.
+ *			   On libidnkitlite, perform step 1..3, except for
+ *			   step 2.4 and 4.1.
+ *   IDN_DECODE_STORED	-- On libidnkit, perform step 1..5, except for step
+ *			   4.1.
+ *			   On libidnkitlite, perform step 1..3, except for
+ *			   step 4.1.
+ *   IDN_DECODE_APP	-- Same as IDN_DECODE_QUERY.
+ *   IDN_NAMEPREP	-- perform NAMEPREP (step 2) without unassigned
+ *			   codepoint check (step 2.4).
+ *
+ * If any step fails, the original input name is returned.
+ * 'actions' specifies what actions to take when decoding, and is
+ * a bitwise-or of the following flags:
+ *
+ * Note that if no flags are specified, 'idn_decodename' does nothing
+ * but copying the given name verbatim.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_action	-- invalid action flag specified.
+ *	idn_invalid_encoding	-- the given string has invalid/illegal
+ *				   byte sequence.
+ *	idn_buffer_overflow	-- 'tolen' is too small.
+ *	idn_invalid_length	-- length of a label is not 1..63 characters.
+ *	idn_nomemory		-- malloc failed.
+ *
+ * Also, if this function is called without calling 'idn_nameinit',
+ * the following error codes might be returned.
+ *	idn_nofile		-- cannot open the configuration file.
+ *	idn_invalid_syntax	-- syntax error found in the file.
+ *	idn_invalid_name	-- there are invalid names (encoding,
+ *				   normalization etc.).
+ */
+IDN_EXPORT idn_result_t
+idn_decodename(idn_action_t actions, const char *from, char *to, size_t tolen);
+
+/*
+ * Decode internationalized domain name with auxiliary encoding
+ * support.
+ *
+ * This is another API for IDN string decode.  The difference between
+ * two is whether the encoding conversion from auxiliary encoding to
+ * UTF-8 occurs prior to the actual decode process (read description
+ * of idn_res_decodename() above) or not.
+ *
+ * If auxencoding is NULL, from is treated as UTF-8 encoded string.
+ * 
+ * Other arguments serve exactly same role as those of
+ * idn_res_decodename().
+ */
+idn_result_t
+idn_decodename2(idn_action_t actions, const char *from, char *to, size_t tolen,
+		const char *auxencoding);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_API_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/assert.h b/contrib/idn/idnkit-1.0-src/include/idn/assert.h
new file mode 100644
index 00000000..12d4dacb
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/assert.h
@@ -0,0 +1,61 @@
+/* $Id: assert.h,v 1.1.1.1 2003/06/04 00:25:35 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_ASSERT_H
+#define IDN_ASSERT_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <assert.h>
+
+#ifndef DEBUG
+#define NDEBUG
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+# endif /* IDN_ASSERT_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/checker.h b/contrib/idn/idnkit-1.0-src/include/idn/checker.h
new file mode 100644
index 00000000..02af31b2
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/checker.h
@@ -0,0 +1,171 @@
+/* $Id: checker.h,v 1.1.1.1 2003/06/04 00:25:36 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_CHECKER_H
+#define IDN_CHECKER_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Character Checker.
+ *
+ * Perfom checking characters in the specified domain name.
+ */
+
+#include <idn/result.h>
+#include <idn/filechecker.h>
+#include <idn/nameprep.h>
+
+/*
+ * Schems name prefixes for the standard nameprep prohibit/unassigned
+ * checks.
+ *
+ * If you'd like to add the unassigned check scheme of "RFC3491"
+ * to a checker context, IDN_CHECKER_UNASSIGNED_PREFIX + "RFC3491"
+ * (i.e. "unassigned#RFC3491") is the scheme name passed to
+ * idn_checker_add().
+ */
+#define IDN_CHECKER_PROHIBIT_PREFIX	"prohibit#"
+#define IDN_CHECKER_UNASSIGNED_PREFIX	"unassigned#"
+#define IDN_CHECKER_BIDI_PREFIX		"bidi#"
+
+/*
+ * Checker object type.
+ */
+typedef struct idn_checker *idn_checker_t;
+
+/*
+ * Initialize module.  Must be called before any other calls of
+ * the functions of this module.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+extern idn_result_t
+idn_checker_initialize(void);
+
+/*
+ * Create a checker context.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+extern idn_result_t
+idn_checker_create(idn_checker_t *ctxp);
+
+/*
+ * Decrement reference count of the checker `ctx' created by
+ * 'idn_checker_create', if it is still refered by another object.
+ * Otherwise, release all the memory allocated to the checker.
+ */
+extern void
+idn_checker_destroy(idn_checker_t ctx);
+
+/*
+ * Increment reference count of the checker `ctx' created by
+ * 'idn_checker_create'.
+ */
+extern void
+idn_checker_incrref(idn_checker_t ctx);
+
+/*
+ * Add checking scheme `name' to the checker to `ctx'.
+ * 
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_invalid_name        -- the given name is not valid.
+ *      idn_nomemory            -- malloc failed.
+ */
+extern idn_result_t
+idn_checker_add(idn_checker_t ctx, const char *name);
+
+extern idn_result_t
+idn_checker_addall(idn_checker_t ctx, const char **names, int nnames);
+
+/*
+ * Check a domain name.  All checking schemes regsitered in `ctx' are
+ * applied in the regisration order.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ *      idn_buffer_overflow     -- output buffer is too small.
+ */
+extern idn_result_t
+idn_checker_lookup(idn_checker_t ctx, const unsigned long *ucs4,
+		   const unsigned long **found);
+
+/*
+ * Checking procedure type.
+ */
+typedef idn_result_t (*idn_checker_createproc_t)(const char *parameter,
+						 void **ctxp);
+typedef void         (*idn_checker_destroyproc_t)(void *ctx);
+typedef idn_result_t (*idn_checker_lookupproc_t)(void *ctx,
+						 const unsigned long *ucs4,
+                                                 const unsigned long **found);
+                                              
+/*
+ * Register a new checking scheme.
+ *
+ * You can override the default normalization schemes, if you want.
+ * 
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+extern idn_result_t
+idn_checker_register(const char *prefix,
+		     idn_checker_createproc_t create,
+		     idn_checker_destroyproc_t destroy,
+		     idn_checker_lookupproc_t lookup);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_CHECKER_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/converter.h b/contrib/idn/idnkit-1.0-src/include/idn/converter.h
new file mode 100644
index 00000000..03248f63
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/converter.h
@@ -0,0 +1,258 @@
+/* $Id: converter.h,v 1.1.1.1 2003/06/04 00:25:36 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_CONVERTER_H
+#define IDN_CONVERTER_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Codeset converter.
+ *
+ * This module provides conversions from some local codeset to UCS4
+ * and vice versa.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+
+/*
+ * Converter context type (opaque).
+ */
+typedef struct idn_converter *idn_converter_t;
+
+/*
+ * Conversion flags.
+ */
+#define IDN_CONVERTER_DELAYEDOPEN	1
+#define IDN_CONVERTER_RTCHECK		2
+
+/*
+ * Encoding types.
+ */
+#define IDN_NONACE			0
+#define IDN_ACE_STRICTCASE		1
+#define IDN_ACE_LOOSECASE		2
+
+/*
+ * Initialize module.  Must be called before any other calls of
+ * the functions of this module.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_converter_initialize(void);
+
+/*
+ * Create a conversion context.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_name	-- specified codeset is not supported.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_failure		-- other failure (unknown cause).
+ */
+IDN_EXPORT idn_result_t
+idn_converter_create(const char *name, idn_converter_t *ctxp,
+		     int flags);
+
+/*
+ * Decrement reference count of the converter `ctx' created by
+ * 'idn_converter_create', if it is still refered by another object.
+ * Otherwise, release all the memory allocated to the converter.
+ */
+IDN_EXPORT void
+idn_converter_destroy(idn_converter_t ctx);
+
+/*
+ * Increment reference count of the converter `ctx' created by
+ * 'idn_converter_create'.
+ */
+IDN_EXPORT void
+idn_converter_incrref(idn_converter_t ctx);
+
+/*
+ * Convert between local codeset and UCS4.  Note that each conversion
+ * is started with initial state.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_buffer_overflow	-- output buffer is too small.
+ *	idn_invalid_encoding	-- the input string has invalid/illegal
+ *				   byte sequence.
+ *	idn_invalid_name	-- codeset is not supported (this error
+ *				   should happen only if 'delayedopen'
+ *				   flag was set when idn_converter_create
+ *				   was called)
+ *	idn_failure		-- other failure.
+ */
+IDN_EXPORT idn_result_t
+idn_converter_convfromucs4(idn_converter_t ctx, 
+			   const unsigned long *from, char *to, size_t tolen);
+
+IDN_EXPORT idn_result_t
+idn_converter_convtoucs4(idn_converter_t ctx, 
+			 const char *from, unsigned long *to, size_t tolen);
+
+/*
+ * Get the name of local codeset.  The returned name may be different from
+ * the one specified to idn_converter_create, if the specified one was an
+ * alias.
+ *
+ * Returns:
+ *	the local codeset name.
+ */
+IDN_EXPORT char *
+idn_converter_localencoding(idn_converter_t ctx);
+
+/*
+ * Return the encoding type of this local encoding.
+ *
+ * Returns:
+ *	IDN_NONACE		-- encoding is not ACE.
+ *	IDN_ACE_STRICTCASE	-- encoding is ACE.
+ *				   decoder of this ACE preserve letter case.
+ *	IDN_ACE_LOOSECASE	-- encoding type is ACE.
+ *				   decoder cannot preserve letter case.
+ */
+IDN_EXPORT int
+idn_converter_encodingtype(idn_converter_t ctx);
+
+/*
+ * Return if this local encoding is ACE (Ascii Compatible Encoding).
+ *
+ * Returns:
+ *	1	-- yes, it is ACE.
+ *	0	-- no.
+ */
+IDN_EXPORT int
+idn_converter_isasciicompatible(idn_converter_t ctx);
+
+/*
+ * Register an alias for a codeset name.
+ *
+ * If first_item is 0, alias pattern is placed as the last item of the
+ * alias list.  Otherwise, it is done as the first item.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_converter_addalias(const char *alias_name, const char *real_name,
+		       int first_item);
+
+/*
+ * Register aliases defined by the specified file.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nofile		-- no such file.
+ *	idn_invalid_syntax	-- file is malformed.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_converter_aliasfile(const char *path);
+
+/*
+ * Unregister all the aliases.
+ */
+IDN_EXPORT idn_result_t
+idn_converter_resetalias(void);
+
+/*
+ * resolve real encoding name from alias information.
+ */
+IDN_EXPORT const char *
+idn_converter_getrealname(const char *name);
+
+
+/*
+ * New converter registration.
+ */
+
+/*
+ * Conversion operation functions.
+ */
+typedef idn_result_t (*idn_converter_openproc_t)(idn_converter_t ctx,
+						 void **privdata);
+typedef idn_result_t (*idn_converter_closeproc_t)(idn_converter_t ctx,
+						  void *privdata);
+typedef idn_result_t
+	(*idn_converter_convfromucs4proc_t)(idn_converter_t ctx,
+					    void *privdata,
+					    const unsigned long *from,
+					    char *to, size_t tolen);
+typedef idn_result_t
+	(*idn_converter_convtoucs4proc_t)(idn_converter_t ctx,
+					  void *privdata,
+					  const char *from,
+					  unsigned long *to,
+					  size_t tolen);
+
+/*
+ * Register a new converter.
+ * 'encoding_type' is a value which idn_converter_encodingtype() returns.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_converter_register(const char *name,
+		       idn_converter_openproc_t openfromucs4,
+		       idn_converter_openproc_t opentoucs4,
+		       idn_converter_convfromucs4proc_t convfromucs4,
+		       idn_converter_convtoucs4proc_t convtoucs4,
+		       idn_converter_closeproc_t close,
+		       int encoding_type);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_CONVERTER_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/debug.h b/contrib/idn/idnkit-1.0-src/include/idn/debug.h
new file mode 100644
index 00000000..35bb403f
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/debug.h
@@ -0,0 +1,69 @@
+/* $Id: debug.h,v 1.1.1.1 2003/06/04 00:25:36 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_DEBUG_H
+#define IDN_DEBUG_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Debug utility
+ */
+
+#include <idn/export.h>
+
+IDN_EXPORT char	*idn__debug_hexstring(const char *s, int maxbytes);
+IDN_EXPORT char	*idn__debug_xstring(const char *s, int maxbytes);
+IDN_EXPORT char	*idn__debug_ucs4xstring(const unsigned long *s, int maxbytes);
+IDN_EXPORT char	*idn__debug_utf16xstring(const unsigned short *s,
+					 int maxbytes);
+IDN_EXPORT char	*idn__debug_hexdata(const char *s, int length, int maxbytes);
+IDN_EXPORT void	idn__debug_hexdump(const char *s, int maxbytes);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_DEBUG_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/delimitermap.h b/contrib/idn/idnkit-1.0-src/include/idn/delimitermap.h
new file mode 100644
index 00000000..9a2381d0
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/delimitermap.h
@@ -0,0 +1,123 @@
+/* $Id: delimitermap.h,v 1.1.1.1 2003/06/04 00:25:37 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_DELIMITERMAP_H
+#define IDN_DELIMITERMAP_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Mapper.
+ *
+ * Perfom mapping local delimiters to `.'.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+
+/*
+ * Map object type.
+ */
+typedef struct idn_delimitermap *idn_delimitermap_t;
+
+/*
+ * Create a delimitermap context.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_delimitermap_create(idn_delimitermap_t *ctxp);
+
+/*
+ * Decrement reference count of the delimitermap `ctx' created by
+ * 'idn_delimitermap_create', if it is still refered by another object.
+ * Otherwise, release all the memory allocated to the delimitermap.
+ */
+IDN_EXPORT void
+idn_delimitermap_destroy(idn_delimitermap_t ctx);
+
+/*
+ * Increment reference count of the delimitermap `ctx' created by
+ * 'idn_delimitermap_create'.
+ */
+IDN_EXPORT void
+idn_delimitermap_incrref(idn_delimitermap_t ctx);
+
+/*
+ * Add a local delimiter.
+ * 
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ *      idn_invalid_codepoint   -- delimiter is not valid UCS4 character.
+ */
+IDN_EXPORT idn_result_t
+idn_delimitermap_add(idn_delimitermap_t ctx, unsigned long delimiter);
+
+IDN_EXPORT idn_result_t
+idn_delimitermap_addall(idn_delimitermap_t ctx, unsigned long *delimiters,
+			int ndelimiters);
+
+/*
+ * Map local delimiters in `from' to `.'.
+ *
+ * Note that if no delimiter is added to the context, the function copies
+ * the string.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_buffer_overflow     -- output buffer is too small.
+ */
+IDN_EXPORT idn_result_t
+idn_delimitermap_map(idn_delimitermap_t ctx, const unsigned long *from,
+		     unsigned long *to, size_t tolen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_DELIMITERMAP_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/export.h b/contrib/idn/idnkit-1.0-src/include/idn/export.h
new file mode 100644
index 00000000..cb9443cd
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/export.h
@@ -0,0 +1,58 @@
+/* $Id: export.h,v 1.1.1.1 2003/06/04 00:25:37 marka Exp $ */
+/*
+ * Copyright (c) 2002 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_EXPORT_H
+#define IDN_EXPORT_H 1
+
+/*
+ * Macro for exporting functions.
+ *
+ * When creating a Windows DLL, define IDN_EXPORT something as
+ * "extern __declspec(dllexport)".
+ */
+
+#ifndef IDN_EXPORT
+#define IDN_EXPORT extern
+#endif
+
+# endif /* IDN_EXPORT_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/filechecker.h b/contrib/idn/idnkit-1.0-src/include/idn/filechecker.h
new file mode 100644
index 00000000..59044936
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/filechecker.h
@@ -0,0 +1,136 @@
+/* $Id: filechecker.h,v 1.1.1.1 2003/06/04 00:25:37 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_FILECHECKER_H
+#define IDN_FILECHECKER_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Character checker -- check if there are any characters specified
+ * by a file in the given string.
+ */
+
+#include <idn/result.h>
+
+/*
+ * Check object type.
+ */
+typedef struct idn__filechecker *idn__filechecker_t;
+
+/*
+ * Read the contents of the given file and create a context for
+ * checking.
+ *
+ * 'file' is the pathname of the file, which specifies the set of
+ * characters to be checked.  The file is a simple text file, and
+ * each line must be of the form either
+ *   <code_point>
+ * or
+ *   <code_point>-<code_point>
+ * (or comment, see below) where <code_point> is a UCS code point
+ * represented as hexadecimal string with optional prefix `U+'
+ * (ex. `0041' or `U+FEDC').
+ *
+ * The former specifies just one character (a code point, to be precise),
+ * while the latter specified a range of characters.  In the case of
+ * a character range, the first code point (before hyphen) must not be
+ * greater than the second code point (after hyphen).
+ *
+ * Lines starting with `#' are comments.
+ *
+ * If file is read with no errors, the created context is stored in
+ * '*ctxp', and 'idn_success' is returned.  Otherwise, the contents
+ * of '*ctxp' is undefined.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nofile		-- cannot open the specified file.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_invalid_syntax	-- file format is not valid.
+ */
+extern idn_result_t
+idn__filechecker_create(const char *file, idn__filechecker_t *ctxp);
+
+/*
+ * Release memory for the specified context.
+ */
+extern void
+idn__filechecker_destroy(idn__filechecker_t ctx);
+
+/*
+ * See if the given string contains any specified characters.
+ *
+ * Check if there is any characters pecified by the context 'ctx' in
+ * the UCS4 string 'str'.  If there are none, NULL is stored in '*found'.
+ * Otherwise, the pointer to the first occurence of such character is
+ * stored in '*found'.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ */
+extern idn_result_t
+idn__filechecker_lookup(idn__filechecker_t ctx, const unsigned long *str,
+			const unsigned long **found);
+
+/*
+ * The following functions are for internal use.
+ * They are used for this module to be add to the checker module.
+ */
+extern idn_result_t
+idn__filechecker_createproc(const char *parameter, void **ctxp);
+
+extern void
+idn__filechecker_destroyproc(void *ctxp);
+
+extern idn_result_t
+idn__filechecker_lookupproc(void *ctx, const unsigned long *str,
+			    const unsigned long **found);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_FILECHECKER_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/filemapper.h b/contrib/idn/idnkit-1.0-src/include/idn/filemapper.h
new file mode 100644
index 00000000..f1fbc18f
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/filemapper.h
@@ -0,0 +1,137 @@
+/* $Id: filemapper.h,v 1.1.1.1 2003/06/04 00:25:38 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_FILEMAPPER_H
+#define IDN_FILEMAPPER_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Perform character mapping (substitution) according to a
+ * map file.
+ */
+
+#include <idn/result.h>
+
+/*
+ * Mapping object type.
+ */
+typedef struct idn__filemapper *idn__filemapper_t;
+
+/*
+ * Read the contents of the given map file and create a context for mapping.
+ *
+ * 'file' is the pathname of the file, which specifies the character
+ * mapping.  The file is a simple text file, and each line specifies
+ * a mapping of a single character.  The format of each line is
+ *
+ *   <code_point>; [<code_point>..][;]
+ *
+ * where <code_point> is a UCS code point represented as a hexadecimal
+ * string with optional prefix `U+' (ex. `0041' or `U+FEDC').
+ * The code point before the first semicolon will be mapped to the
+ * sequence of code points separated by space characters after the
+ * first semicolon.  The sequence may be empty, denoting wiping out
+ * the character.
+ *
+ * For example,
+ *	U+0041; U+0061		-- maps 'A' to 'a'
+ *	20;;			-- wipes out ' '
+ *	
+ * Anything after the second semicolon is ignored.  Also lines beginning
+ * with '#' are treated as comments.
+ *
+ * If there is no error, the created context is stored in '*ctxp'.
+ * 
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nofile		-- cannot open the specified file.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_invalid_syntax	-- file format is not valid.
+ */
+extern idn_result_t
+idn__filemapper_create(const char *file, idn__filemapper_t *ctxp);
+
+/*
+ * Release memory for the given context.
+ */
+extern void
+idn__filemapper_destroy(idn__filemapper_t ctx);
+
+/*
+ * Perform character substitution.
+ *
+ * Each character in the string 'from' is examined and if it
+ * has a mapping, it is substituted to the corresponding
+ * character sequence.  The substituted string is stored in 'to',
+ * whose length is specified by 'tolen'.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_buffer_overflow	-- result buffer is too small.
+ */
+extern idn_result_t
+idn__filemapper_map(idn__filemapper_t ctx, const unsigned long *from,
+		    unsigned long *to, size_t tolen);
+
+/*
+ * The following functions are for internal use.
+ * They are used for this module to be add to the mapper module.
+ */
+extern idn_result_t
+idn__filemapper_createproc(const char *parameter, void **ctxp);
+
+extern void
+idn__filemapper_destroyproc(void *ctxp);
+
+extern idn_result_t
+idn__filemapper_mapproc(void *ctx, const unsigned long *from,
+			unsigned long *to, size_t tolen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_FILEMAPPER_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/localencoding.h b/contrib/idn/idnkit-1.0-src/include/idn/localencoding.h
new file mode 100644
index 00000000..86c2c329
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/localencoding.h
@@ -0,0 +1,79 @@
+/* $Id: localencoding.h,v 1.1.1.1 2003/06/04 00:25:38 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_LOCALENCODING_H
+#define IDN_LOCALENCODING_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Local codeset detection.
+ *
+ * Determine the local codeset (the codeset used by the current application),
+ * based on the locale information.
+ */
+
+#include <idn/export.h>
+
+#define IDN_LOCALCS_ENV	"IDN_LOCAL_CODESET"
+
+/*
+ * Get the codeset name corresponding to the current locale,
+ * suitable for passing to 'idn_converter_create'.
+ *
+ * If the codeset cannot be determined, the locale name itself
+ * will be returned in the hope that codeset alias file translates it
+ * to the right name.
+ *
+ * If it cannot retrieve the current locale name, NULL will be
+ * returned.
+ */
+IDN_EXPORT const char	*idn_localencoding_name(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_LOCALENCODING_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/log.h b/contrib/idn/idnkit-1.0-src/include/idn/log.h
new file mode 100644
index 00000000..c2d340cb
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/log.h
@@ -0,0 +1,107 @@
+/* $Id: log.h,v 1.1.1.1 2003/06/04 00:25:38 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_LOG_H
+#define IDN_LOG_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * libidnkit logging facility.
+ */
+
+#include <idn/export.h>
+
+/*
+ * Log level definition.
+ */
+enum {
+	idn_log_level_fatal = 0,
+	idn_log_level_error = 1,
+	idn_log_level_warning = 2,
+	idn_log_level_info = 3,
+	idn_log_level_trace = 4,
+	idn_log_level_dump = 5
+};
+
+/*
+ * Log handler type.
+ */
+typedef void	(*idn_log_proc_t)(int level, const char *msg);
+
+/*
+ * Log routines.
+ */
+IDN_EXPORT void	idn_log_fatal(const char *fmt, ...);
+IDN_EXPORT void	idn_log_error(const char *fmt, ...);
+IDN_EXPORT void	idn_log_warning(const char *fmt, ...);
+IDN_EXPORT void	idn_log_info(const char *fmt, ...);
+IDN_EXPORT void	idn_log_trace(const char *fmt, ...);
+IDN_EXPORT void	idn_log_dump(const char *fmt, ...);
+
+/*
+ * Set/get log level.
+ *
+ * If log level has not been explicitly defined by 'idn_log_setlevel',
+ * the default level is determined by the value of enrironment
+ * variable 'IDN_LOG_LEVEL'.
+ */
+IDN_EXPORT void	idn_log_setlevel(int level);
+IDN_EXPORT int	idn_log_getlevel(void);
+
+/*
+ * Set log handler.
+ *
+ * If no log handler is set, log goes to stderr by default.
+ * You can reset the handler to the default one by specifying
+ * NULL.
+ */
+IDN_EXPORT void	idn_log_setproc(idn_log_proc_t proc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_LOG_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/logmacro.h b/contrib/idn/idnkit-1.0-src/include/idn/logmacro.h
new file mode 100644
index 00000000..bc55b6b7
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/logmacro.h
@@ -0,0 +1,72 @@
+/* $Id: logmacro.h,v 1.1.1.1 2003/06/04 00:25:38 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_LOGMACRO_H
+#define IDN_LOGMACRO_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <idn/log.h>
+
+#define FATAL(x)	idn_log_fatal x
+#define ERROR(x)	idn_log_error x
+#define WARNING(x)	idn_log_warning x
+#define INFO(x)		LOG_AT_LEVEL(idn_log_level_info, idn_log_info, x)
+#define TRACE(x)	LOG_AT_LEVEL(idn_log_level_trace, idn_log_trace, x)
+
+#ifdef DEBUG
+#define DUMP(x)		LOG_AT_LEVEL(idn_log_level_dump, idn_log_dump, x)
+#else
+#define DUMP(x)
+#endif /* DEBUG */
+
+#define LOG_AT_LEVEL(lv, fun, x) do {if (LOGLEVEL >= (lv)) fun x; } while (0)
+#define LOGLEVEL	idn_log_getlevel()
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_LOGMACRO_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/mapper.h b/contrib/idn/idnkit-1.0-src/include/idn/mapper.h
new file mode 100644
index 00000000..a9c55c3a
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/mapper.h
@@ -0,0 +1,159 @@
+/* $Id: mapper.h,v 1.1.1.1 2003/06/04 00:25:38 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_MAPPER_H
+#define IDN_MAPPER_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Mapper.
+ *
+ * Perfom mapping the specified domain name.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+#include <idn/filemapper.h>
+#include <idn/nameprep.h>
+
+/*
+ * Map object type.
+ */
+typedef struct idn_mapper *idn_mapper_t;
+
+/*
+ * Initialize module.  Must be called before any other calls of
+ * the functions of this module.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_mapper_initialize(void);
+
+/*
+ * Create a mapper context.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_mapper_create(idn_mapper_t *ctxp);
+
+/*
+ * Decrement reference count of the mapper `ctx' created by
+ * 'idn_mapper_create', if it is still refered by another object.
+ * Otherwise, release all the memory allocated to the mapper.
+ */
+IDN_EXPORT void
+idn_mapper_destroy(idn_mapper_t ctx);
+
+/*
+ * Increment reference count of the mapper `ctx' created by
+ * 'idn_mapper_create'.
+ */
+IDN_EXPORT void
+idn_mapper_incrref(idn_mapper_t ctx);
+
+/*
+ * Add mapping scheme `name' to the mapper to `ctx'.
+ * 
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_invalid_name        -- the given name is not valid.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_mapper_add(idn_mapper_t ctx, const char *name);
+
+IDN_EXPORT idn_result_t
+idn_mapper_addall(idn_mapper_t ctx, const char **names, int nnames);
+
+/*
+ * Map an UCS4 string.  All mapping schemes regsitered in `ctx'
+ * are applied in the regisration order.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ *      idn_buffer_overflow     -- output buffer is too small.
+ */
+IDN_EXPORT idn_result_t
+idn_mapper_map(idn_mapper_t ctx, const unsigned long *from,
+	       unsigned long *to, size_t tolen);
+
+/*
+ * Mapping procedure type.
+ */
+typedef idn_result_t (*idn_mapper_createproc_t)(const char *parameter,
+						void **ctxp);
+typedef void         (*idn_mapper_destroyproc_t)(void *ctxp);
+typedef idn_result_t (*idn_mapper_mapproc_t)(void *ctx,
+					     const unsigned long *from,
+                                             unsigned long *, size_t);
+                                              
+/*
+ * Register a new mapping scheme.
+ *
+ * You can override the default normalization schemes, if you want.
+ * 
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_mapper_register(const char *prefix,
+		    idn_mapper_createproc_t create,
+		    idn_mapper_destroyproc_t destroy,
+		    idn_mapper_mapproc_t map);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_MAPPER_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/mapselector.h b/contrib/idn/idnkit-1.0-src/include/idn/mapselector.h
new file mode 100644
index 00000000..a17aea6d
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/mapselector.h
@@ -0,0 +1,165 @@
+/* $Id: mapselector.h,v 1.1.1.1 2003/06/04 00:25:39 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_MAPSELECTOR_H
+#define IDN_MAPSELECTOR_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Map selector.
+ *
+ * Perfom mapping the specified domain name according with the TLD
+ * of the donmain name.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+#include <idn/mapper.h>
+
+/*
+ * Special TLDs for map selection.
+ */
+#define IDN_MAPSELECTOR_NOTLD		"-"
+#define IDN_MAPSELECTOR_DEFAULTTLD	"."
+
+IDN_EXPORT const unsigned long *
+idn_mapselector_getnotld(void);
+
+IDN_EXPORT const unsigned long *
+idn_mapselector_getdefaulttld(void);
+
+/*
+ * Mapselector object type.
+ */
+typedef struct idn_mapselector *idn_mapselector_t;
+
+/*
+ * Initialize module.  Must be called before any other calls of
+ * the functions of this module.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_mapselector_initialize(void);
+
+/*
+ * Create a mapselector context.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_mapselector_create(idn_mapselector_t *ctxp);
+
+/*
+ * Decrement reference count of the mapselector `ctx' created by
+ * 'idn_mapselector_create', if it is still refered by another object.
+ * Otherwise, release all the memory allocated to the mapselector.
+ */
+IDN_EXPORT void
+idn_mapselector_destroy(idn_mapselector_t ctx);
+
+/*
+ * Increment reference count of the mapselector `ctx' created by
+ * 'idn_mapselector_create'.
+ */
+IDN_EXPORT void
+idn_mapselector_incrref(idn_mapselector_t ctx);
+
+/*
+ * Return the mapper for `tld' registered in `ctx', or return NULL if
+ * mapper for `tld' is not registered.
+ */
+IDN_EXPORT idn_mapper_t
+idn_mapselector_mapper(idn_mapselector_t ctx, const char *tld);
+
+/*
+ * Add mapping scheme `name' to the mapper for `tld' to the mapselector
+ * context `ctx'.  If no mapper for `TLD' has not been registered, the
+ * function creates a new mapper for `tld', and then adds the given mapping
+ * scheme to the mapper.  Otherwise,  it adds the scheme to the mapper for
+ * TLD registered in `ctx'.
+ * 
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_invalid_name        -- the given tld or name is not valid.
+ *      idn_nomemory            -- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_mapselector_add(idn_mapselector_t ctx, const char *tld, const char *name);
+
+IDN_EXPORT idn_result_t
+idn_mapselector_addall(idn_mapselector_t ctx, const char *tld,
+		       const char **names, int nnames);
+
+/*
+ * Map an UCS4 string with the mapper for TLD of the domain name.
+ * If there is no mapper suitable for the domain name, the function
+ * simply copies the doman name.
+ *
+ * Returns:
+ *      idn_success             -- ok.
+ *      idn_nomemory            -- malloc failed.
+ *      idn_buffer_overflow     -- output buffer is too small.
+ *	idn_invalid_name        -- the given tld is not valid.
+ */
+IDN_EXPORT idn_result_t
+idn_mapselector_map(idn_mapselector_t ctx, const unsigned long *from,
+		    const char *tld, unsigned long *to, size_t tolen);
+
+IDN_EXPORT idn_result_t
+idn_mapselector_map2(idn_mapselector_t ctx, const unsigned long *from,
+		     const unsigned long *tld, unsigned long *to,
+		     size_t tolen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_MAPSELECTOR_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/nameprep.h b/contrib/idn/idnkit-1.0-src/include/idn/nameprep.h
new file mode 100644
index 00000000..af7d943c
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/nameprep.h
@@ -0,0 +1,185 @@
+/* $Id: nameprep.h,v 1.1.1.1 2003/06/04 00:25:39 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_NAMEPREP_H
+#define IDN_NAMEPREP_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Perform NAMEPREP (mapping, prohibited/unassigned checking).
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+
+/*
+ * BIDI type codes.
+ */      
+typedef enum {
+	idn_biditype_r_al,
+	idn_biditype_l,
+	idn_biditype_others
+} idn_biditype_t;
+
+/*
+ * A Handle for nameprep operations.
+ */
+typedef struct idn_nameprep *idn_nameprep_t;
+
+
+/*
+ * The latest version of nameprep.
+ */
+#define IDN_NAMEPREP_CURRENT	"RFC3491"
+
+/*
+ * Create a handle for nameprep operations.
+ * The handle is stored in '*handlep', which is used other functions
+ * in this module.
+ * The version of the NAMEPREP specification can be specified with
+ * 'version' parameter.  If 'version' is NULL, the latest version
+ * is used.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_notfound		-- specified version not found.
+ */
+IDN_EXPORT idn_result_t
+idn_nameprep_create(const char *version, idn_nameprep_t *handlep);
+
+/*
+ * Close a handle, which was created by 'idn_nameprep_create'.
+ */
+IDN_EXPORT void
+idn_nameprep_destroy(idn_nameprep_t handle);
+
+/*
+ * Perform character mapping on an UCS4 string specified by 'from', and
+ * store the result into 'to', whose length is specified by 'tolen'.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_buffer_overflow	-- result buffer is too small.
+ */
+IDN_EXPORT idn_result_t
+idn_nameprep_map(idn_nameprep_t handle, const unsigned long *from,
+		 unsigned long *to, size_t tolen);
+
+/*
+ * Check if an UCS4 string 'str' contains any prohibited characters specified
+ * by the draft.  If found, the pointer to the first such character is stored
+ * into '*found'.  Otherwise '*found' will be NULL.
+ *
+ * Returns:
+ *	idn_success		-- check has been done properly. (But this
+ *				   does not mean that no prohibited character
+ *				   was found.  Check '*found' to see the
+ *				   result.)
+ */
+IDN_EXPORT idn_result_t
+idn_nameprep_isprohibited(idn_nameprep_t handle, const unsigned long *str,
+			  const unsigned long **found);
+
+/*
+ * Check if an UCS4 string 'str' contains any unassigned characters specified
+ * by the draft.  If found, the pointer to the first such character is stored
+ * into '*found'.  Otherwise '*found' will be NULL.
+ *
+ * Returns:
+ *	idn_success		-- check has been done properly. (But this
+ *				   does not mean that no unassinged character
+ *				   was found.  Check '*found' to see the
+ *				   result.)
+ */
+IDN_EXPORT idn_result_t
+idn_nameprep_isunassigned(idn_nameprep_t handle, const unsigned long *str,
+			  const unsigned long **found);
+
+/*
+ * Check if an UCS4 string 'str' is valid string specified by ``bidi check''
+ * of the draft.  If it is not valid, the pointer to the first invalid
+ * character is stored into '*found'.  Otherwise '*found' will be NULL.
+ *
+ * Returns:
+ *	idn_success		-- check has been done properly. (But this
+ *				   does not mean that the string was valid.
+ *				   Check '*found' to see the result.)
+ */
+IDN_EXPORT idn_result_t
+idn_nameprep_isvalidbidi(idn_nameprep_t handle, const unsigned long *str,
+			 const unsigned long **found);
+
+/*
+ * The following functions are for internal use.
+ * They are used for this module to be add to the checker and mapper modules.
+ */
+IDN_EXPORT idn_result_t
+idn_nameprep_createproc(const char *parameter, void **handlep);
+
+IDN_EXPORT void
+idn_nameprep_destroyproc(void *handle);
+
+IDN_EXPORT idn_result_t
+idn_nameprep_mapproc(void *handle, const unsigned long *from,
+		     unsigned long *to, size_t tolen);
+
+IDN_EXPORT idn_result_t
+idn_nameprep_prohibitproc(void *handle, const unsigned long *str,
+			  const unsigned long **found);
+
+IDN_EXPORT idn_result_t
+idn_nameprep_unassignedproc(void *handle, const unsigned long *str,
+			    const unsigned long **found);
+
+IDN_EXPORT idn_result_t
+idn_nameprep_bidiproc(void *handle, const unsigned long *str,
+		      const unsigned long **found);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_NAMEPREP_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/normalizer.h b/contrib/idn/idnkit-1.0-src/include/idn/normalizer.h
new file mode 100644
index 00000000..e7e39b44
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/normalizer.h
@@ -0,0 +1,155 @@
+/* $Id: normalizer.h,v 1.1.1.1 2003/06/04 00:25:40 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_NORMALIZER_H
+#define IDN_NORMALIZER_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Domain name normalizer.
+ *
+ * Perform normalization on the specified strings.  String must be
+ * in UCS4 encoding.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+
+/*
+ * Normalizer type (opaque).
+ */
+typedef struct idn_normalizer *idn_normalizer_t;
+
+/*
+ * Normalizer procedure type.
+ */
+typedef idn_result_t (*idn_normalizer_proc_t)(const unsigned long *from,
+					      unsigned long *to, size_t tolen);
+
+/*
+ * Initialize this module.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_normalizer_initialize(void);
+
+/*
+ * Create a empty normalizer.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_normalizer_create(idn_normalizer_t *ctxp);
+
+/*
+ * Decrement reference count of the normalizer `ctx' created by
+ * 'idn_normalizer_create', if it is still refered by another object.
+ * Otherwise, release all the memory allocated to the normalizer.
+ */
+IDN_EXPORT void
+idn_normalizer_destroy(idn_normalizer_t ctx);
+
+/*
+ * Increment reference count of the normalizer `ctx' created by
+ * 'idn_normalizer_create'.
+ */
+IDN_EXPORT void
+idn_normalizer_incrref(idn_normalizer_t ctx);
+
+/*
+ * Add a normalization scheme to a normalizer.
+ *
+ * Multiple shemes can be added to a normalizer, and they will be
+ * applied in order.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_name	-- unknown scheme was specified.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_normalizer_add(idn_normalizer_t ctx, const char *scheme_name);
+
+IDN_EXPORT idn_result_t
+idn_normalizer_addall(idn_normalizer_t ctx, const char **scheme_names,
+		      int nschemes);
+
+/*
+ * Perform normalization(s) defined by a normalizer to the specified string, 
+ * If the normalizer has two or more normalization schemes, they are
+ * applied in order.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_buffer_overflow	-- output buffer is too small.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_normalizer_normalize(idn_normalizer_t ctx, const unsigned long *from,
+			 unsigned long *to, size_t tolen);
+
+/*
+ * Register a new normalization scheme.
+ *
+ * You can override the default normalization schemes, if you want.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_normalizer_register(const char *scheme_name, idn_normalizer_proc_t proc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_NORMALIZER_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/punycode.h b/contrib/idn/idnkit-1.0-src/include/idn/punycode.h
new file mode 100644
index 00000000..5650a8e6
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/punycode.h
@@ -0,0 +1,70 @@
+/* $Id: punycode.h,v 1.1.1.1 2003/06/04 00:25:40 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_PUNYCODE_H
+#define IDN_PUNYCODE_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Punycode Converter.
+ */
+
+#include <idn/result.h>
+#include <idn/converter.h>
+
+extern idn_result_t
+idn__punycode_decode(idn_converter_t ctx, void *privdata,
+		    const char *from, unsigned long *to, size_t tolen);
+
+extern idn_result_t
+idn__punycode_encode(idn_converter_t ctx, void *privdata,
+		    const unsigned long *from, char *to, size_t tolen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_PUNYCODE_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/race.h b/contrib/idn/idnkit-1.0-src/include/idn/race.h
new file mode 100644
index 00000000..43a090ba
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/race.h
@@ -0,0 +1,72 @@
+/* $Id: race.h,v 1.1.1.1 2003/06/04 00:25:40 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_RACE_H
+#define IDN_RACE_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * RACE Converter.
+ *
+ * See Internet Draft draft-ietf-idn-race-03.txt for details.
+ */
+
+#include <idn/result.h>
+#include <idn/converter.h>
+
+extern idn_result_t
+idn__race_encode(idn_converter_t ctx, void *privdata,
+		 const unsigned long *from, char *to, size_t tolen);
+
+extern idn_result_t
+idn__race_decode(idn_converter_t ctx, void *privdata,
+		 const char *from, unsigned long *to, size_t tolen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_RACE_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/res.h b/contrib/idn/idnkit-1.0-src/include/idn/res.h
new file mode 100644
index 00000000..ab7873d0
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/res.h
@@ -0,0 +1,309 @@
+/* $Id: res.h,v 1.1.1.1 2003/06/04 00:25:41 marka Exp $ */
+/*
+ * Copyright (c) 2001,2002 Japan Network Information Center.
+ * All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_RES_H
+#define IDN_RES_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Resolver library support.
+ *
+ * All the functions provided by this module requires IDN resolver
+ * configuration context of type 'idn_resconf_t' as an argument.
+ * This context holds information described in the configuration file
+ * (idn.conf).  See idn_resconf module for details.
+ *
+ * All functions also accept NULL as the context, but since
+ * no conversion/normalization will be done in this case, it is
+ * pretty useless.
+ */
+
+#include <idn/export.h>
+#include <idn/resconf.h>
+#include <idn/result.h>
+
+typedef unsigned long idn_action_t;
+
+/*
+ * Actions
+ */
+#define IDN_LOCALCONV	0x00000001 /* Local encoding <-> UTF-8 conversion */
+#define IDN_DELIMMAP	0x00000002 /* Delimiter mapping */
+#define IDN_LOCALMAP	0x00000004 /* Local mapping */
+#define IDN_MAP		0x00000008 /* NAMEPREP map */
+#define IDN_NORMALIZE	0x00000010 /* NAMEPREP normalize */
+#define IDN_PROHCHECK	0x00000020 /* NAMEPREP prohibited character check */
+#define IDN_UNASCHECK	0x00000040 /* Unassigned code point check */
+#define IDN_BIDICHECK	0x00000080 /* bidirectional string check */
+#define IDN_ASCCHECK	0x00000100 /* Non-LDH ASCII check */
+#define IDN_IDNCONV	0x00000200 /* UTF-8 <-> IDN encoding conversion */
+#define IDN_LENCHECK	0x00000400 /* Label length check */
+#define IDN_RTCHECK	0x00000800 /* Round trip check */
+#define IDN_UNDOIFERR	0x00001000 /* Option: undo if error occurs */
+
+#define IDN_ENCODE_QUERY	0x00002000 /* Encode query string */
+#define IDN_DECODE_QUERY	0x00004000 /* Decode query string */
+
+#define IDN_ENCODE_APP \
+(IDN_ENCODE_QUERY | IDN_ASCCHECK)	/* Standard encode */
+#define IDN_DECODE_APP \
+(IDN_DECODE_QUERY | IDN_ASCCHECK)	/* Standard decode */
+
+#define IDN_ENCODE_STORED \
+(IDN_ENCODE_QUERY | IDN_ASCCHECK | IDN_UNASCHECK) /* Encode query string */
+#define IDN_DECODE_STORED \
+(IDN_DECODE_QUERY | IDN_ASCCHECK | IDN_UNASCHECK) /* Decode query string */
+
+
+#define IDN_NAMEPREP \
+(IDN_MAP | IDN_NORMALIZE | IDN_PROHCHECK | IDN_BIDICHECK)
+
+/*
+ * Enable or disable IDN conversion scheme.
+ *
+ * If on_off is 0, IDN conversion scheme is disabled. Otherwise, IDN
+ * conversion is enabled even when IDN_DISABLE is defined.
+ */
+IDN_EXPORT void
+idn_res_enable(int on_off);
+
+/*
+ * Encode internationalized domain name.
+ *
+ * The encoding process consists of the following 7 steps.
+ *
+ *    1. Local encoding to UTF-8 conversion
+ *       Converts a domain name written with local encoding (e.g. ISO-
+ *       8859-1) to UTF-8.
+ *    2. Delimiter mapping,
+ *       Maps certain characters to period (U+002E, FULL STOP).
+ *    3. Local mapping
+ *       Apply character mappings according with the TLD of the domain
+ *       name.
+ *    4. NAMEPREP
+ *       Perform NAME preparation described in RFC3491.
+ *       This step consists of the following 4 steps:
+ *       4.1. Mapping
+ *       4.2. Normalization
+ *       4.3. Prohibited character check
+ *       4.4. Unassigned check
+ *    5. ASCII range character check
+ *       Checks if the domain name contains non-LDH ASCII character (not
+ *       alpha-numeric or hypen), or it begins or end with hypen.
+ *    6. UTF-8 to IDN encoding conversion.
+ *       Converts the domain name from UTF-8 to ACE (e.g. Punycode).
+ *    7. Length check
+ *       Checks the length of each label.
+ *
+ * 'actions' specifies actions and options of the encoding procedure.
+ * Its value is a bitwise-or of the following flags:
+ *
+ *   IDN_LOCALCONV	-- perform local encoding to UTF-8 conversion (step 1)
+ *   IDN_DELIMMAP	-- perform delimiter mapping (step 2)
+ *   IDN_LOCALMAP	-- perform local mapping (step 3)
+ *   IDN_MAP		-- perform mapping (step 4.1)
+ *   IDN_NORMALIZE	-- perform normalization (step 4.2)
+ *   IDN_PROHCHECK	-- perform prohibited character check (step 4.3)
+ *   IDN_UNASCHECK	-- perform unassigned codepoint check (step 4.4)
+ *   IDN_ASCCHECK	-- perform ASCII range character check (step 5)
+ *   IDN_IDNCONV	-- perform UTF-8 to IDN encoding conversion (step 6)
+ *   IDN_LENCHECK	-- perform length check (step 7)
+ *
+ * Also the following flags are provided for convinience:
+ *
+ *   IDN_ENCODE_QUERY	-- On libidnkit, perform step 1..7, except for step
+ *			   4.4 and 5.
+ *			   On libidnkitlite, perform step 2..7, except for
+ *			   step 4.4 and 5.
+ *   IDN_ENCODE_STORED	-- On libidnkit, perform step 1..7, except for step
+ *			   5.
+ *			   On libidnkitlite, perform step 2..7, except for
+ *			   step 5.
+ *   IDN_ENCODE_APP	-- Same as IDN_ENCODE_QUERY.
+ *   IDN_NAMEPREP	-- perform NAMEPREP (step 4) without unassigned
+ *			   codepoint check (step 4.4).
+ *
+ * The following flag does not corresponding to a particular action,
+ * but an option of conversion process:
+ *
+ *   IDN_UNDOIFERR	-- If any step fails, the original input name is
+ *                         returned.
+ *
+ * Note that if no flags are specified, 'idn_encodename' does nothing
+ * fancy, just copies the given name verbatim.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_action	-- invalid action flag specified.
+ *	idn_invalid_encoding	-- the given string has invalid/illegal
+ *				   byte sequence.
+ *	idn_invalid_length	-- invalid length of a label.
+ *	idn_prohibited		-- prohibited/unassigned code point found.
+ *	idn_buffer_overflow	-- 'tolen' is too small.
+ *	idn_nomemory		-- malloc failed.
+ *
+ * Also, if this function is called without calling 'idn_nameinit',
+ * the following error codes might be returned.
+ *	idn_nofile		-- cannot open the configuration file.
+ *	idn_invalid_syntax	-- syntax error found in the file.
+ *	idn_invalid_name	-- there are invalid names (encoding,
+ *				   normalization etc.).
+ */
+IDN_EXPORT idn_result_t
+idn_res_encodename(idn_resconf_t ctx, idn_action_t actions, const char *from,
+		   char *to, size_t tolen);
+
+/*
+ * Decode internationalized domain name.
+ *
+ * The decoding process consists of the following 5 steps.
+ *
+ *    1. delimiter mapping
+ *       Maps certain characters to period (U+002E, FULL STOP).
+ *    2. NAMEPREP
+ *       Perform NAME preparation described in RFC3491.
+ *       This step consists of the following 4 steps:
+ *       2.1. Mapping
+ *       2.2. Normalization
+ *       2.3. Prohibited character check
+ *       2.4. Unassigned check
+ *    3. IDN encoding to UTF-8 conversion.
+ *       Converts the domain name from ACE (e.g. Punycode) to UCS4.
+ *    4. Perform round-trip check.
+ *       Encode the result of step 3, and then compare it with the result
+ *       of the step 2.  If they are different, the check is failed.
+ *    5. Convert UTF-8 to local encoding.
+ *       If a character in the domain name cannot be converted to local
+ *       encoding, the conversion is failed.
+ *
+ * 'actions' specifies actions of the decoding procedure.
+ * Its value is a bitwise-or of the following flags:
+ *
+ *   IDN_DELIMMAP	-- perform delimiter mapping (step 1)
+ *   IDN_MAP		-- perform mapping (step 2.1)
+ *   IDN_NORMALIZE	-- perform normalization (step 2.2)
+ *   IDN_PROHCHECK	-- perform prohibited character check (step 2.3)
+ *   IDN_UNASCHECK	-- perform unassigned codepoint check (step 2.4)
+ *   IDN_IDNCONV	-- perform IDN encoding to UTF-8 conversion (step 3)
+ *   IDN_RTCHECK        -- perform round-trip check (step 4)
+ *   IDN_ASCCHECK	-- perform ASCII range character check while
+ *			   round-trip check (step 4.1)
+ *   IDN_LOCALCONV      -- perform UTF-8 to local encoding conversion (step 5)
+ *
+ * Also the following flags are provided for the convenience:
+ *
+ *   IDN_DECODE_QUERY	-- On libidnkit, perform step 1..5, except for step
+ *			   2.4 and 4.1.
+ *			   On libidnkitlite, perform step 1..3, except for
+ *			   step 2.4 and 4.1.
+ *   IDN_DECODE_STORED	-- On libidnkit, perform step 1..5, except for step
+ *			   4.1.
+ *			   On libidnkitlite, perform step 1..3, except for
+ *			   step 4.1.
+ *   IDN_DECODE_APP	-- Same as IDN_DECODE_QUERY.
+ *   IDN_NAMEPREP	-- perform NAMEPREP (step 2) without unassigned
+ *			   codepoint check (step 2.4).
+ *
+ * If any step fails, the original input name is returned.
+ * 'actions' specifies what actions to take when decoding, and is
+ * a bitwise-or of the following flags:
+ *
+ * Note that if no flags are specified, 'idn_decodename' does nothing
+ * but copying the given name verbatim.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_action	-- invalid action flag specified.
+ *	idn_invalid_encoding	-- the given string has invalid/illegal
+ *				   byte sequence.
+ *	idn_buffer_overflow	-- 'tolen' is too small.
+ *	idn_invalid_action	-- length of a label is not 1..63 characters.
+ *	idn_nomemory		-- malloc failed.
+ *
+ * Also, if this function is called without calling 'idn_nameinit',
+ * the following error codes might be returned.
+ *	idn_nofile		-- cannot open the configuration file.
+ *	idn_invalid_syntax	-- syntax error found in the file.
+ *	idn_invalid_name	-- there are invalid names (encoding,
+ *				   normalization etc.).
+ */
+IDN_EXPORT idn_result_t
+idn_res_decodename(idn_resconf_t ctx, idn_action_t actions, const char *from,
+		   char *to, size_t tolen);
+
+/*
+ * Decode internationalized domain name with auxiliary encoding
+ * support.
+ *
+ * This is another API for IDN string decode.  The difference between
+ * two is whether the encoding conversion from auxiliary encoding to
+ * UTF-8 occurs prior to the actual decode process (read description
+ * of idn_res_decodename() above) or not.
+ *
+ * If auxencoding is NULL, from is treated as UTF-8 encoded string.
+ * 
+ * Other arguments serve exactly same role as those of
+ * idn_res_decodename().
+ */
+idn_result_t
+idn_res_decodename2(idn_resconf_t ctx, idn_action_t actions, const char *from,
+		    char *to, size_t tolen, const char *auxencoding);
+
+/*
+ * Convert `actions' to a string, and then return the string.
+ * This function is for internal use only.
+ *
+ * Note that this function returns a pointer to static buffer.
+ */
+extern const char *
+idn__res_actionstostring(idn_action_t actions);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_RES_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/resconf.h b/contrib/idn/idnkit-1.0-src/include/idn/resconf.h
new file mode 100644
index 00000000..1aed8bd0
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/resconf.h
@@ -0,0 +1,323 @@
+/* $Id: resconf.h,v 1.1.1.1 2003/06/04 00:25:41 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_RESCONF_H
+#define IDN_RESCONF_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * IDN resolver configuration.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+#include <idn/converter.h>
+#include <idn/normalizer.h>
+#include <idn/checker.h>
+#include <idn/mapper.h>
+#include <idn/mapselector.h>
+#include <idn/delimitermap.h>
+
+/*
+ * Configuration type (opaque).
+ */
+typedef struct idn_resconf *idn_resconf_t;
+
+/*
+ * Initialize.
+ *
+ * Initialize this module and underlying ones.  Must be called before
+ * any other functions of this module.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_resconf_initialize(void);
+
+/*
+ * Create a configuration context.
+ *
+ * Create an empty context and store it in '*ctxp'.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_resconf_create(idn_resconf_t *ctxp);
+
+/*
+ * Destroy the configuration context.
+ *
+ * Destroy the configuration context created by 'idn_resconf_create',
+ * and release memory for it.
+ */
+IDN_EXPORT void
+idn_resconf_destroy(idn_resconf_t ctx);
+
+/*
+ * Increment reference count of the context created by 'idn_resconf_create'.
+ */
+IDN_EXPORT void
+idn_resconf_incrref(idn_resconf_t ctx);
+
+/*
+ * Set default configurations to resconf context.
+ *
+ * "default configurations" means current nameprep and IDN encoding
+ * which IDN standard document suggests.
+ * 
+ * Warning: configurations set previously are removed.
+ * 
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_syntax	-- syntax error found.
+ *	idn_invalid_name	-- invalid encoding/nomalization name is
+ *				   specified.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_resconf_setdefaults(idn_resconf_t ctx);
+
+/*
+ * Load configuration file.
+ *
+ * Parse a configuration file whose name is specified by 'file',
+ * store the result in 'ctx'.  If 'file' is NULL, the default file is
+ * loaded.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nofile		-- couldn't open specified file.
+ *	idn_invalid_syntax	-- syntax error found.
+ *	idn_invalid_name	-- invalid encoding/nomalization name is
+ *				   specified.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_resconf_loadfile(idn_resconf_t ctx, const char *file);
+
+/*
+ * Get the pathname of the default configuration file.
+ *
+ * Returns:
+ *	the pathname of the default configuration file.
+ */
+IDN_EXPORT char *
+idn_resconf_defaultfile(void);
+
+/*
+ * Get an object of lower module that `ctx' holds.
+ */
+IDN_EXPORT idn_delimitermap_t
+idn_resconf_getdelimitermap(idn_resconf_t ctx);
+
+IDN_EXPORT idn_converter_t
+idn_resconf_getidnconverter(idn_resconf_t ctx);
+
+IDN_EXPORT idn_converter_t
+idn_resconf_getauxidnconverter(idn_resconf_t ctx);
+
+IDN_EXPORT idn_converter_t
+idn_resconf_getlocalconverter(idn_resconf_t ctx);
+
+IDN_EXPORT idn_mapselector_t
+idn_resconf_getlocalmapselector(idn_resconf_t ctx);
+
+IDN_EXPORT idn_mapper_t
+idn_resconf_getmapper(idn_resconf_t ctx);
+
+IDN_EXPORT idn_normalizer_t
+idn_resconf_getnormalizer(idn_resconf_t ctx);
+
+IDN_EXPORT idn_checker_t
+idn_resconf_getprohibitchecker(idn_resconf_t ctx);
+
+IDN_EXPORT idn_checker_t
+idn_resconf_getunassignedchecker(idn_resconf_t ctx);
+
+IDN_EXPORT idn_checker_t
+idn_resconf_getbidichecker(idn_resconf_t ctx);
+
+/*
+ * Set an object of lower module to `ctx'.
+ */
+IDN_EXPORT void
+idn_resconf_setdelimitermap(idn_resconf_t ctx,
+			    idn_delimitermap_t delimiter_mapper);
+
+IDN_EXPORT void
+idn_resconf_setidnconverter(idn_resconf_t ctx,
+                            idn_converter_t idn_coverter);
+
+IDN_EXPORT void
+idn_resconf_setauxidnconverter(idn_resconf_t ctx,
+                               idn_converter_t aux_idn_coverter);
+
+IDN_EXPORT void
+idn_resconf_setlocalconverter(idn_resconf_t ctx,
+			      idn_converter_t local_converter);
+
+IDN_EXPORT void
+idn_resconf_setlocalmapselector(idn_resconf_t ctx,
+				idn_mapselector_t map_selector);
+
+IDN_EXPORT void
+idn_resconf_setmapper(idn_resconf_t ctx, idn_mapper_t mapper);
+
+IDN_EXPORT void
+idn_resconf_setnormalizer(idn_resconf_t ctx, idn_normalizer_t normalizer);
+
+IDN_EXPORT void
+idn_resconf_setprohibitchecker(idn_resconf_t ctx,
+			       idn_checker_t prohibit_checker);
+
+IDN_EXPORT void
+idn_resconf_setunassignedchecker(idn_resconf_t ctx,
+				 idn_checker_t unassigned_checker);
+
+IDN_EXPORT void
+idn_resconf_setbidichecker(idn_resconf_t ctx,
+			   idn_checker_t bidi_checker);
+
+/*
+ * Set name or add names to an object of lower module that `ctx' holds.
+ */
+IDN_EXPORT idn_result_t
+idn_resconf_setidnconvertername(idn_resconf_t ctx, const char *name,
+				int flags);
+
+IDN_EXPORT idn_result_t
+idn_resconf_setauxidnconvertername(idn_resconf_t ctx, const char *name,
+				   int flags);
+
+IDN_EXPORT idn_result_t
+idn_resconf_addalldelimitermapucs(idn_resconf_t ctx, unsigned long *v, int nv);
+
+IDN_EXPORT idn_result_t
+idn_resconf_setlocalconvertername(idn_resconf_t ctx, const char *name,
+				  int flags);
+
+IDN_EXPORT idn_result_t
+idn_resconf_addalllocalmapselectornames(idn_resconf_t ctx, const char *tld,
+					const char **names, int nnames);
+
+IDN_EXPORT idn_result_t
+idn_resconf_addallmappernames(idn_resconf_t ctx, const char **names,
+			      int nnames);
+
+IDN_EXPORT idn_result_t
+idn_resconf_addallnormalizernames(idn_resconf_t ctx, const char **names,
+				  int nnames);
+
+IDN_EXPORT idn_result_t
+idn_resconf_addallprohibitcheckernames(idn_resconf_t ctx, const char **names,
+				       int nnames);
+
+IDN_EXPORT idn_result_t
+idn_resconf_addallunassignedcheckernames(idn_resconf_t ctx, const char **names,
+					 int nnames);
+
+IDN_EXPORT idn_result_t
+idn_resconf_addallbidicheckernames(idn_resconf_t ctx, const char **names,
+				   int nnames);
+
+IDN_EXPORT idn_result_t
+idn_resconf_setnameprepversion(idn_resconf_t ctx, const char *version);
+
+/*
+ * These macros are provided for backward compatibility to mDNkit 2.1
+ * and older.
+ */
+IDN_EXPORT void
+idn_resconf_setalternateconverter(idn_resconf_t ctx,
+                                  idn_converter_t alternate_converter);
+
+IDN_EXPORT idn_result_t
+idn_resconf_setalternateconvertername(idn_resconf_t ctx, const char *name,
+				      int flags);
+
+IDN_EXPORT idn_converter_t
+idn_resconf_getalternateconverter(idn_resconf_t ctx);
+
+
+/*
+ * These macros are provided for backward compatibility to idnkit 1.x.
+ */
+#define idn_resconf_localconverter(ctx) \
+	idn_resconf_getlocalconverter(ctx)
+
+#define idn_resconf_idnconverter(ctx) \
+	idn_resconf_getidnconverter(ctx)
+
+#define idn_resconf_alternateconverter(ctx) \
+	idn_resconf_getalternateconverter(ctx)
+
+#define idn_resconf_normalizer(ctx) \
+	idn_resconf_getnormalizer(ctx)
+
+#define idn_resconf_mapper(ctx) \
+	idn_resconf_getmapper(ctx)
+
+#define idn_resconf_delimitermap(ctx) \
+	idn_resconf_getdelimitermap(ctx)
+
+#define idn_resconf_localmapselector(ctx) \
+	idn_resconf_getlocalmapselector(ctx)
+
+#define idn_resconf_prohibitchecker(ctx) \
+	idn_resconf_getprohibitchecker(ctx)
+
+#define idn_resconf_unassignedchecker(ctx) \
+	idn_resconf_getunassignedchecker(ctx)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_RESCONF_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/result.h b/contrib/idn/idnkit-1.0-src/include/idn/result.h
new file mode 100644
index 00000000..c044fcb8
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/result.h
@@ -0,0 +1,86 @@
+/* $Id: result.h,v 1.1.1.1 2003/06/04 00:25:42 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_RESULT_H
+#define IDN_RESULT_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <idn/export.h>
+
+/*
+ * libidnkit result code.
+ */
+typedef enum {
+	idn_success,
+	idn_notfound,
+	idn_invalid_encoding,
+	idn_invalid_syntax,
+	idn_invalid_name,
+	idn_invalid_message,
+	idn_invalid_action,
+	idn_invalid_codepoint,
+	idn_invalid_length,
+	idn_buffer_overflow,
+	idn_noentry,
+	idn_nomemory,
+	idn_nofile,
+	idn_nomapping,
+	idn_context_required,
+	idn_prohibited,
+	idn_failure	/* !!This must be the last one!! */
+} idn_result_t;
+
+/*
+ * Get the string description of a result code.
+ */
+IDN_EXPORT char *
+idn_result_tostring(idn_result_t result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_RESULT_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/strhash.h b/contrib/idn/idnkit-1.0-src/include/idn/strhash.h
new file mode 100644
index 00000000..0a72a868
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/strhash.h
@@ -0,0 +1,123 @@
+/* $Id: strhash.h,v 1.1.1.1 2003/06/04 00:25:42 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_STRHASH_H
+#define IDN_STRHASH_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * String-keyed hash table
+ *
+ * Just a hash table.  Nothing special.  Number of hash buckets
+ * grows automatically.
+ */
+
+#include <idn/result.h>
+
+/*
+ * Hash table type, which is opaque.
+ */
+typedef struct idn__strhash *idn__strhash_t;
+
+/*
+ * Hash value free proc.
+ */
+typedef void (*idn__strhash_freeproc_t)(void *value);
+
+/*
+ * Create a hash table.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+extern idn_result_t
+idn__strhash_create(idn__strhash_t *hashp);
+
+/*
+ * Delete a hash table created by 'idn__strhash_create'.
+ * If 'proc' is not NULL, it is called for each value in the
+ * hash to release memory for them.
+ */
+extern void
+idn__strhash_destroy(idn__strhash_t hash, idn__strhash_freeproc_t proc);
+
+/*
+ * Register an item to the hash table.  This function makes a
+ * private copy of the key string.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+extern idn_result_t
+idn__strhash_put(idn__strhash_t hash, const char *key, void *value);
+
+/*
+ * Find an item with the specified key.
+ *
+ * Returns:
+ *	idn_success		-- ok. found.
+ *	idn_noentry		-- not found.
+ */
+extern idn_result_t
+idn__strhash_get(idn__strhash_t hash, const char *key, void **valuep);
+
+/*
+ * Check if an item with the specified key exists.
+ *
+ * Returns:
+ *	1			-- yes.
+ *	0			-- no.
+ */
+extern int
+idn__strhash_exists(idn__strhash_t hash, const char *key);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_STRHASH_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/ucs4.h b/contrib/idn/idnkit-1.0-src/include/idn/ucs4.h
new file mode 100644
index 00000000..ceb1f532
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/ucs4.h
@@ -0,0 +1,103 @@
+/* $Id: ucs4.h,v 1.1.1.1 2003/06/04 00:25:42 marka Exp $ */
+/*
+ * Copyright (c) 2002 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_UCS4_H
+#define IDN_UCS4_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * UCS4 encoded string facility.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+
+/*
+ * UCS4 to UTF-16 conversion and vice versa.
+ */
+IDN_EXPORT idn_result_t
+idn_ucs4_ucs4toutf16(const unsigned long *ucs4, unsigned short *utf16,
+		     size_t tolen);
+
+IDN_EXPORT idn_result_t
+idn_ucs4_utf16toucs4(const unsigned short *utf16, unsigned long *ucs4,
+		     size_t tolen);
+
+/*
+ * UCS4 to UTF-8 conversion and vice versa.
+ */
+IDN_EXPORT idn_result_t
+idn_ucs4_utf8toucs4(const char *utf8, unsigned long *ucs4, size_t tolen);
+
+IDN_EXPORT idn_result_t
+idn_ucs4_ucs4toutf8(const unsigned long *ucs4, char *utf8, size_t tolen);
+
+/*
+ * UCS4 version of string operation functions.
+ */
+IDN_EXPORT size_t
+idn_ucs4_strlen(const unsigned long *ucs4);
+
+IDN_EXPORT unsigned long *
+idn_ucs4_strcpy(unsigned long *to, const unsigned long *from);
+
+IDN_EXPORT unsigned long *
+idn_ucs4_strcat(unsigned long *to, const unsigned long *from);
+
+IDN_EXPORT int
+idn_ucs4_strcmp(const unsigned long *str1, const unsigned long *str2);
+
+IDN_EXPORT int
+idn_ucs4_strcasecmp(const unsigned long *str1, const unsigned long *str2);
+
+IDN_EXPORT unsigned long *
+idn_ucs4_strdup(const unsigned long *str);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_UCS4_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/ucsmap.h b/contrib/idn/idnkit-1.0-src/include/idn/ucsmap.h
new file mode 100644
index 00000000..67af5238
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/ucsmap.h
@@ -0,0 +1,131 @@
+/* $Id: ucsmap.h,v 1.1.1.1 2003/06/04 00:25:42 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_UCSMAP_H
+#define IDN_UCSMAP_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Perform UCS character mapping.
+ * This module support one-to-N mapping (N may be zero, one or more).
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+
+/*
+ * Mapper type (opaque).
+ */
+typedef struct idn_ucsmap *idn_ucsmap_t;
+
+/*
+ * Create an empty mapping.  The reference count is set to 1.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_ucsmap_create(idn_ucsmap_t *ctxp);
+
+/*
+ * Decrement the reference count of the given set, and if it reaches zero,
+ * release all the memory allocated for it.
+ */
+IDN_EXPORT void
+idn_ucsmap_destroy(idn_ucsmap_t ctx);
+
+/*
+ * Increment the reference count of the given set by one, so that
+ * the map can be shared.
+ */
+IDN_EXPORT void
+idn_ucsmap_incrref(idn_ucsmap_t ctx);
+
+/*
+ * Add a mapping.
+ * 'ucs' is the character to be mapped, 'map' points an array of mapped
+ * characters of length 'maplen'.  'map' may be NULL if 'maplen' is zero,
+ * meaning one-to-none mapping.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_failure		-- already fixed by 'idn_ucsmap_fix',
+ *				   or too large maplen.
+ */
+IDN_EXPORT idn_result_t
+idn_ucsmap_add(idn_ucsmap_t ctx, unsigned long ucs, unsigned long *map,
+	       size_t maplen);
+
+/*
+ * Perform internal arrangement of the map for lookup.
+ * Once it is fixed, 'idn_ucsmap_add' cannot be permitted to the map.
+ */
+IDN_EXPORT void
+idn_ucsmap_fix(idn_ucsmap_t ctx);
+
+/*
+ * Find the mapping for the given character.
+ * 'idn_ucsmap_fix' must be performed before calling this function.
+ * Find the mapping for 'v' and store the result to 'to'.  The length
+ * of the mapped sequence is stored in '*maplenp'.  'tolen' specifies
+ * the length allocated for 'to'.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomapping		-- specified character has no mapping.
+ *	idn_failure		-- not fixed by 'idn_ucsmap_fix' yet.
+ */
+IDN_EXPORT idn_result_t
+idn_ucsmap_map(idn_ucsmap_t ctx, unsigned long v, unsigned long *to,
+	       size_t tolen, size_t *maplenp);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_UCSMAP_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/ucsset.h b/contrib/idn/idnkit-1.0-src/include/idn/ucsset.h
new file mode 100644
index 00000000..c50a4d05
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/ucsset.h
@@ -0,0 +1,145 @@
+/* $Id: ucsset.h,v 1.1.1.1 2003/06/04 00:25:43 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_UCSSET_H
+#define IDN_UCSSET_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * A 'set' of UCS codepoints.
+ */
+
+#include <idn/export.h>
+#include <idn/result.h>
+
+/*
+ * Type representing a set (opaque).
+ */
+typedef struct idn_ucsset *idn_ucsset_t;
+
+
+/*
+ * Create an empty set.  The reference count is set to 1.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ */
+IDN_EXPORT idn_result_t
+idn_ucsset_create(idn_ucsset_t *ctxp);
+
+/*
+ * Decrement the reference count of the given set, and if it reaches zero,
+ * release all the memory allocated for it.
+ */
+IDN_EXPORT void
+idn_ucsset_destroy(idn_ucsset_t ctx);
+
+/*
+ * Increments the reference count by one.
+ */
+IDN_EXPORT void
+idn_ucsset_incrref(idn_ucsset_t ctx);
+
+/*
+ * Add a UCS code point to the set.
+ * The set must be in the building phase -- that is, before 'idn_ucsset_fix'
+ * is called for the set.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_code	-- code point out of range.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_failure		-- already fixed by 'idn_ucsset_fix'.
+ */
+IDN_EXPORT idn_result_t
+idn_ucsset_add(idn_ucsset_t ctx, unsigned long v);
+
+/*
+ * Add a range of code points (from 'from' to 'to', inclusive) to the set.
+ * 'from' must not be greater than 'to'.
+ * This function is similar to 'idn_ucsset_add' except that it accepts
+ * range of code points.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_code	-- code point out of range, or the range
+ *				   specification is invalid.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_failure		-- already fixed by 'idn_ucsset_fix'.
+ */
+IDN_EXPORT idn_result_t
+idn_ucsset_addrange(idn_ucsset_t ctx, unsigned long from, unsigned long to);
+
+/*
+ * Perform internal arrangement of the set for lookup.
+ * Before calling this function, a set is in 'building' phase, and code
+ * points can be added freely by 'idn_ucsset_add' or 'idn_ucsset_addrange'.
+ * But once it is fixed by this function, the set becomes immutable, and
+ * it shifts into 'lookup' phase.
+ */
+IDN_EXPORT void
+idn_ucsset_fix(idn_ucsset_t ctx);
+
+/*
+ * Find if the given code point is in the set.
+ * The set must be in the lookup phase -- in other words, 'idn_ucsset_fix'
+ * must be called for the set before calling this function.
+ * '*found' is set to 1 if the specified code point is in the set, 0 otherwise.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_invalid_code	-- specified code point is out of range.
+ *	idn_failure		-- not fixed by 'idn_ucsset_fix' yet.
+ */
+IDN_EXPORT idn_result_t
+idn_ucsset_lookup(idn_ucsset_t ctx, unsigned long v, int *found);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_UCSSET_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/unicode.h b/contrib/idn/idnkit-1.0-src/include/idn/unicode.h
new file mode 100644
index 00000000..f9b5bb4d
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/unicode.h
@@ -0,0 +1,164 @@
+/* $Id: unicode.h,v 1.1.1.1 2003/06/04 00:25:43 marka Exp $ */
+/*
+ * Copyright (c) 2000,2001 Japan Network Information Center.
+ * All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_UNICODE_H
+#define IDN_UNICODE_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Unicode attributes retriever.
+ *
+ * All the information this module provides is based on UnicodeData.txt,
+ * CompositionExclusions-1.txt and SpecialCasing.txt, all of which can be
+ * obtained from unicode.org.
+ *
+ * Unicode characters are represented as 'unsigned long'.
+ */
+
+#include <idn/result.h>
+
+/*
+ * A Handle for Unicode versions.
+ */
+typedef struct idn__unicode_ops *idn__unicode_version_t;
+
+/*
+ * Context information for case conversion.
+ */
+typedef enum {
+	idn__unicode_context_unknown,
+	idn__unicode_context_final,
+	idn__unicode_context_nonfinal
+} idn__unicode_context_t;
+
+/*
+ * Create a handle for a specific Unicode version.
+ * The version number (such as "3.0.1") is specified by 'version' parameter.
+ * If it is NULL, the latest version is used.
+ * The handle is stored in '*versionp', which is used various functions
+ * in this and unormalize modules.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_notfound		-- specified version not found.
+ */
+extern idn_result_t
+idn__unicode_create(const char *version, idn__unicode_version_t *versionp);
+
+/*
+ * Close a handle which was created by 'idn__unicode_create'.
+ */
+extern void
+idn__unicode_destroy(idn__unicode_version_t version);
+
+/*
+ * Get canonical class.
+ *
+ * For characters out of unicode range (i.e. above 0xffff), 0 will
+ * be returned.
+ */
+extern int
+idn__unicode_canonicalclass(idn__unicode_version_t version, unsigned long c);
+
+/*
+ * Decompose a character.
+ *
+ * Decompose character given by 'c', and put the result into 'v',
+ * which can hold 'vlen' characters.  The number of decomposed characters
+ * will be stored in '*decomp_lenp'.
+ *
+ * If 'compat' is true, compatibility decomposition is performed.
+ * Otherwise canonical decomposition is done.
+ *
+ * Since decomposition is done recursively, no further decomposition
+ * will be needed.
+ *
+ * Returns:
+ *	idn_success		-- ok, decomposed.
+ *	idn_notfound		-- no decomposition possible.
+ *	idn_buffer_overflow	-- 'vlen' is too small.
+ */
+extern idn_result_t
+idn__unicode_decompose(idn__unicode_version_t version,
+		       int compat, unsigned long *v, size_t vlen,
+		       unsigned long c, int *decomp_lenp);
+
+/*
+ * Perform canonical composition.
+ *
+ * Do canonical composition to the character sequence 'c1' and 'c2', put the
+ * result into '*compp'.
+ *
+ * Since Unicode Nomalization Froms requires only canonical composition,
+ * compatibility composition is not supported.
+ *
+ * Returns:
+ *	idn_success		-- ok, composed.
+ *	idn_notfound		-- no composition possible.
+ */
+extern idn_result_t
+idn__unicode_compose(idn__unicode_version_t version,
+		     unsigned long c1, unsigned long c2, unsigned long *compp);
+
+/*
+ * Returns if there may be a canonical composition sequence which starts
+ * with the given character.
+ *
+ * Returns:
+ *	1			-- there may be a composition sequence
+ *				   (maybe not).
+ *	0			-- no, there is definitely no such sequences.
+ */
+extern int
+idn__unicode_iscompositecandidate(idn__unicode_version_t version,
+				  unsigned long c);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_UNICODE_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/unormalize.h b/contrib/idn/idnkit-1.0-src/include/idn/unormalize.h
new file mode 100644
index 00000000..3d432706
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/unormalize.h
@@ -0,0 +1,86 @@
+/* $Id: unormalize.h,v 1.1.1.1 2003/06/04 00:25:44 marka Exp $ */
+/*
+ * Copyright (c) 2000,2001 Japan Network Information Center.
+ * All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_UNORMALIZE_H
+#define IDN_UNORMALIZE_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Unicode Normalizations.
+ *
+ * Perform 4 normalizations defined by 'Unicode Normalization Forms'
+ * (http://www.unicode.org/unicode/reports/tr15)
+ *
+ * All of the functions use UCS4 encoding for input/output.
+ */
+
+#include <idn/result.h>
+#include <idn/unicode.h>
+
+/*
+ * Perform Unicode Normalication Form C and KC.
+ *
+ * They take NUL-terminated UCS4 encoded string 'from', perform
+ * the normalization specified by 'version', put the result
+ * (also a NUL-terminated UCS4 encoded string) to 'to', which must be
+ * able to hold at least 'tolen' bytes.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nomemory		-- malloc failed.
+ * 	idn_buffer_overflow	-- 'tolen' is too small.
+ */
+extern idn_result_t
+idn__unormalize_formkc(idn__unicode_version_t version,
+		       const unsigned long *from, unsigned long *to,
+		       size_t tolen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_UNORMALIZE_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/utf8.h b/contrib/idn/idnkit-1.0-src/include/idn/utf8.h
new file mode 100644
index 00000000..ee5f589f
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/utf8.h
@@ -0,0 +1,137 @@
+/* $Id: utf8.h,v 1.1.1.1 2003/06/04 00:25:44 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_UTF8_H
+#define IDN_UTF8_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * UTF-8 encoded string facility.
+ */
+
+#include <idn/export.h>
+
+/*
+ * Get the length of a character.
+ *
+ * Get the length (in bytes) of a character whose first byte is pointed
+ * by 's'.  Since this function only looks one first byte to determine the
+ * length, it is possible some of the following bytes are invalid.
+ */
+IDN_EXPORT int
+idn_utf8_mblen(const char *s);
+
+/*
+ * Get one character.
+ *
+ * Get the first character of the string pointed by 's', and copy it
+ * to 'buf', whose length is 'len'.  Returns the number of bytes copied,
+ * or zero if the encoding is invalid or len is too small.
+ *
+ * The area pointed by 'buf' must be large enough to store any UTF-8 encoded
+ * character.
+ *
+ * Note that the copied string is not NUL-terminated.
+ */
+IDN_EXPORT int
+idn_utf8_getmb(const char *s, size_t len, char *buf);
+
+/*
+ * Get one character in UCS-4.
+ *
+ * Similar to 'idn_utf8_getmb', except that the result is not in UTF-8
+ * encoding, but in UCS-4 format (plain 32bit integer value).
+ */
+IDN_EXPORT int
+idn_utf8_getwc(const char *s, size_t len, unsigned long *vp);
+
+/*
+ * Put one character.
+ *
+ * This function is an opposite of 'idn_utf8_getwc'.  It takes a UCS-4
+ * value 'v', convert it to UTF-8 encoded sequence, and store it to 's',
+ * whose length is 'len'.  It returns the number of bytes written, or
+ * zero 'v' is out of range or 'len' is too small.
+ */
+IDN_EXPORT int
+idn_utf8_putwc(char *s, size_t len, unsigned long v);
+
+/*
+ * Check the validity of UTF-8 encoded character.
+ *
+ * Check if the character pointed by 's' is a valid UTF-8 encoded
+ * character.  Return the length of the character (in bytes) if it is valid,
+ * 0 otherwise.
+ */
+IDN_EXPORT int
+idn_utf8_isvalidchar(const char *s);
+
+/*
+ * Check the validity of UTF-8 encoded string.
+ *
+ * Check if the NUL-terminated string 's' is valid as a UTF-8 encoded
+ * string.  Return 1 if it is valid, 0 otherwise.
+ */
+IDN_EXPORT int
+idn_utf8_isvalidstring(const char *s);
+
+/*
+ * Find first byte of a character.
+ *
+ * Find the first byte of a character 's' points to.  's' may point
+ * the 2nd or later byte of a character.  'known_top' is a pointer to
+ * a string which contains 's', and is known to be the first byte of
+ * a character.  If it couldn't find the first byte between 'known_top'
+ * and 's', NULL will be returned.
+ */
+IDN_EXPORT char *
+idn_utf8_findfirstbyte(const char *s, const char *known_top);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_UTF8_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/util.h b/contrib/idn/idnkit-1.0-src/include/idn/util.h
new file mode 100644
index 00000000..cde34a65
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/util.h
@@ -0,0 +1,98 @@
+/* $Id: util.h,v 1.1.1.1 2003/06/04 00:25:44 marka Exp $ */
+/*
+ * Copyright (c) 2000,2002 Japan Network Information Center.
+ * All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_UTIL_H
+#define IDN_UTIL_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Utility functions.
+ */
+
+/*
+ * Check ACE prefix.
+ *
+ * These functions examine whether `str' begins with `prefix'.
+ * They disregard the case difference of ASCII letters ([A-Za-z]).
+ * They return 1 if `str' has the ACE prefix, 0 otherwise.
+ */
+extern int
+idn__util_asciihaveaceprefix(const char *str, const char *prefix);
+extern int
+idn__util_ucs4haveaceprefix(const unsigned long *str, const char *prefix);
+
+/*
+ * Check if all codepoints in the UCS4 string `str' are in the ASCII
+ * range (i.e. U+0000...U+007F).
+ *
+ * The function return 1 if it is, 0 otherwise.
+ */
+extern int
+idn__util_ucs4isasciirange(const unsigned long *str);
+
+/*
+ * Get registry information from the system. (Windows only)
+ */
+#ifdef WIN32
+/*
+ * registry top type.
+ */
+typedef enum {
+	idn__util_hkey_currentuser,
+	idn__util_hkey_localmachine
+} idn__util_hkey_t;
+
+extern int
+idn__util_getregistrystring(idn__util_hkey_t topkey, const char *name,
+			    char *str, size_t length);
+#endif /* WIN32 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_UTIL_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/idn/version.h b/contrib/idn/idnkit-1.0-src/include/idn/version.h
new file mode 100644
index 00000000..c483311e
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/idn/version.h
@@ -0,0 +1,70 @@
+/* $Id: version.h,v 1.1.1.1 2003/06/04 00:25:44 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_VERSION_H
+#define IDN_VERSION_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <idn/export.h>
+
+/*
+ * Version number of this package.
+ */
+#define IDNKIT_VERSION		"1.0"
+#define IDNKIT_MAJOR_VERSION	1
+#define IDNKIT_MINOR_VERSION	0
+
+/*
+ * Get the version of the library (libidnkit).
+ */
+IDN_EXPORT const char *
+idn_version_getstring(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_VERSION_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/Makefile.in b/contrib/idn/idnkit-1.0-src/include/mdn/Makefile.in
new file mode 100644
index 00000000..375db7e0
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/Makefile.in
@@ -0,0 +1,83 @@
+# $Id: Makefile.in,v 1.1.1.1 2003/06/04 00:25:45 marka Exp $
+# Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+#  
+# By using this file, you agree to the terms and conditions set forth bellow.
+# 
+# 			LICENSE TERMS AND CONDITIONS 
+# 
+# The following License Terms and Conditions apply, unless a different
+# license is obtained from Japan Network Information Center ("JPNIC"),
+# a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+# Chiyoda-ku, Tokyo 101-0047, Japan.
+# 
+# 1. Use, Modification and Redistribution (including distribution of any
+#    modified or derived work) in source and/or binary forms is permitted
+#    under this License Terms and Conditions.
+# 
+# 2. Redistribution of source code must retain the copyright notices as they
+#    appear in each source code file, this License Terms and Conditions.
+# 
+# 3. Redistribution in binary form must reproduce the Copyright Notice,
+#    this License Terms and Conditions, in the documentation and/or other
+#    materials provided with the distribution.  For the purposes of binary
+#    distribution the "Copyright Notice" refers to the following language:
+#    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+# 
+# 4. The name of JPNIC may not be used to endorse or promote products
+#    derived from this Software without specific prior written approval of
+#    JPNIC.
+# 
+# 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+#    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+#    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+#    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+srcdir = @srcdir@
+VPATH = @srcdir@
+
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+includedir = @includedir@
+mdnincludedir = $(includedir)/mdn
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+MKINSTALLDIRS = @top_srcdir@/mkinstalldirs
+SHELL = @SHELL@
+
+HDRS = \
+	api.h \
+	log.h \
+	res.h \
+	resconf.h \
+	result.h \
+	utf8.h \
+	version.h
+
+all:
+
+@COMPAT_TRUE@install: all install-compat
+@COMPAT_FALSE@install: 
+
+install-compat:
+	$(MKINSTALLDIRS) $(DESTDIR)$(mdnincludedir)
+	for hdr in $(HDRS); do \
+	    $(INSTALL_DATA) $(srcdir)/$$hdr $(DESTDIR)$(mdnincludedir)/$$hdr; \
+	done
+
+clean:
+	rm -f *~
+
+distclean:
+	rm -f Makefile
+
+test check:
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/api.h b/contrib/idn/idnkit-1.0-src/include/mdn/api.h
new file mode 100644
index 00000000..5c8f7f3e
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/api.h
@@ -0,0 +1,91 @@
+/* $Id: api.h,v 1.1.1.1 2003/06/04 00:25:45 marka Exp $ */
+/*
+ * Copyright (c) 2001,2002 Japan Network Information Center.
+ * All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_API_H
+#define MDN_API_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <mdn/result.h>
+#include <mdn/res.h>
+#include <idn/api.h>
+
+#define mdn_enable idn_enable
+
+extern idn_result_t
+mdn_nameinit(void);
+
+extern idn_result_t
+mdn_encodename(int actions, const char *from, char *to, size_t tolen);
+
+extern idn_result_t
+mdn_decodename(int actions, const char *from, char *to, size_t tolen);
+
+#define mdn_localtoutf8(from, to, tolen) \
+	mdn_encodename(IDN_LOCALCONV, from, to, len)
+#define mdn_delimitermap(from, to, tolen) \
+	mdn_encodename(IDN_DELIMMAP, from, to, len)
+#define mdn_localmap(from, to, tolen) \
+	mdn_encodename(IDN_LOCALMAP, from, to, len)
+#define mdn_nameprep(from, to, tolen) \
+	mdn_encodename(IDN_NAMEPREP, from, to, len)
+#define mdn_utf8toidn(from, to, tolen) \
+	mdn_encodename(IDN_IDNCONV, from, to, len)
+#define mdn_idntoutf8(from, to, tolen) \
+	mdn_decodename(IDN_IDNCONV, from, to, tolen)
+#define mdn_utf8tolocal(from, to, tolen) \
+	mdn_decodename(IDN_LOCALCONV, from, to, tolen)
+
+#define mdn_localtoidn(from, to, tolen) \
+	mdn_encodename(IDN_ENCODE_APP, from, to, tolen)
+#define mdn_idntolocal(from, to, tolen) \
+	mdn_decodename(IDN_DECODE_APP, from, to, tolen)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MDN_API_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/localencoding.h b/contrib/idn/idnkit-1.0-src/include/mdn/localencoding.h
new file mode 100644
index 00000000..e1e86f71
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/localencoding.h
@@ -0,0 +1,49 @@
+/* $Id: localencoding.h,v 1.1.1.1 2003/06/04 00:25:45 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_LOCALENCODING_H
+#define MDN_LOCALENCODING_H 1
+
+#define MDN_LOCALCS_ENV	"MDN_LOCAL_CODESET"
+
+#endif /* MDN_LOCALENCODING_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/log.h b/contrib/idn/idnkit-1.0-src/include/mdn/log.h
new file mode 100644
index 00000000..002c410f
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/log.h
@@ -0,0 +1,92 @@
+/* $Id: log.h,v 1.1.1.1 2003/06/04 00:25:45 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_LOG_H
+#define MDN_LOG_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <idn/log.h>
+
+#define mdn_log_proc_t \
+	idn_log_proc_t
+
+#define mdn_log_level_fatal \
+	idn_log_level_fatal
+#define mdn_log_level_error \
+	idn_log_level_error
+#define mdn_log_level_warning \
+	idn_log_level_warning
+#define mdn_log_level_info \
+	idn_log_level_info
+#define mdn_log_level_trace \
+	idn_log_level_trace
+#define mdn_log_level_dump \
+	idn_log_level_dump
+
+#define mdn_log_fatal \
+	idn_log_fatal
+#define mdn_log_error \
+	idn_log_error
+#define mdn_log_warning \
+	idn_log_warning
+#define mdn_log_info \
+	idn_log_info
+#define mdn_log_trace \
+	idn_log_trace
+#define mdn_log_dump \
+	idn_log_dump
+#define mdn_log_setlevel \
+	idn_log_setlevel
+#define mdn_log_getlevel \
+	idn_log_getlevel
+#define mdn_log_setproc \
+	idn_log_setproc
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MDN_LOG_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/res.h b/contrib/idn/idnkit-1.0-src/include/mdn/res.h
new file mode 100644
index 00000000..a1c0c205
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/res.h
@@ -0,0 +1,121 @@
+/* $Id: res.h,v 1.1.1.1 2003/06/04 00:25:45 marka Exp $ */
+/*
+ * Copyright (c) 2001,2002 Japan Network Information Center.
+ * All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_RES_H
+#define MDN_RES_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <mdn/resconf.h>
+#include <mdn/result.h>
+#include <idn/res.h>
+
+#define MDN_LOCALCONV \
+    	IDN_LOCALCONV
+#define MDN_DELIMMAP \
+	IDN_DELIMMAP
+#define MDN_LOCALMAP \
+	IDN_LOCALMAP
+#define MDN_MAP \
+	IDN_MAP
+#define MDN_NORMALIZE \
+	IDN_NORMALIZE
+#define MDN_PROHCHECK \
+	IDN_PROHCHECK
+#define MDN_UNASCHECK \
+	IDN_UNASCHECK
+#define MDN_ASCCHECK \
+	IDN_ASCCHECK
+#define MDN_IDNCONV \
+	IDN_IDNCONV
+#define MDN_LENCHECK \
+	IDN_LENCHECK
+#define MDN_RTCHECK \
+	IDN_RTCHECK
+#define MDN_UNDOIFERR \
+	IDN_UNDOIFERR
+#define MDN_ENCODE_APP \
+	IDN_ENCODE_APP
+#define MDN_DECODE_APP \
+	IDN_DECODE_APP
+#define MDN_NAMEPREP \
+	IDN_NAMEPREP
+
+#define mdn_res_enable \
+	idn_res_enable
+#define mdn_res_encodename \
+	idn_res_encodename
+#define mdn_res_decodename \
+	idn_res_decodename
+#define mdn_res_actiontostring \
+	idn_res_actiontostring
+
+#define mdn_res_localtoutf8 \
+	idn_res_localtoutf8
+#define mdn_res_delimitermap \
+	idn_res_delimitermap
+#define mdn_res_localmap \
+	idn_res_localmap
+#define mdn_res_nameprep \
+	idn_res_nameprep
+#define mdn_res_utf8toidn \
+	idn_res_utf8toidn
+#define mdn_res_idntoutf8 \
+	idn_res_idntoutf8
+#define mdn_res_utf8tolocal \
+	idn_res_utf8tolocal
+#define mdn_res_nameprepcheck \
+	idn_res_nameprepcheck
+#define mdn_res_localtoidn \
+	idn_res_localtoidn
+#define mdn_res_idntolocal \
+	idn_res_idntolocal
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MDN_RES_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/resconf.h b/contrib/idn/idnkit-1.0-src/include/mdn/resconf.h
new file mode 100644
index 00000000..c98a8f55
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/resconf.h
@@ -0,0 +1,150 @@
+/* $Id: resconf.h,v 1.1.1.1 2003/06/04 00:25:46 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_RESCONF_H
+#define MDN_RESCONF_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <mdn/result.h>
+#include <idn/resconf.h>
+
+#define mdn_resconf_t \
+	idn_resconf_t
+
+#define mdn_resconf_initialize \
+	idn_resconf_initialize
+#define mdn_resconf_create \
+	idn_resconf_create
+#define mdn_resconf_destroy \
+	idn_resconf_destroy
+
+#define mdn_resconf_incrref \
+	idn_resconf_incrref
+#define mdn_resconf_loadfile \
+	idn_resconf_loadfile
+#define mdn_resconf_defaultfile \
+	idn_resconf_defaultfile
+#define mdn_resconf_getdelimitermap \
+	idn_resconf_getdelimitermap
+#define mdn_resconf_getidnconverter \
+	idn_resconf_getidnconverter
+#define mdn_resconf_getlocalconverter \
+	idn_resconf_getlocalconverter
+#define mdn_resconf_getlocalmapselector \
+	idn_resconf_getlocalmapselector
+#define mdn_resconf_getmapper \
+	idn_resconf_getmapper
+#define mdn_resconf_getnormalizer \
+	idn_resconf_getnormalizer
+#define mdn_resconf_getprohibitchecker \
+	idn_resconf_getprohibitchecker
+#define mdn_resconf_getunassignedchecker \
+	idn_resconf_getunassignedchecker
+#define mdn_resconf_setdelimitermap \
+	idn_resconf_setdelimitermap
+#define mdn_resconf_setidnconverter \
+	idn_resconf_setidnconverter
+#define mdn_resconf_setlocalconverter \
+	idn_resconf_setlocalconverter
+#define mdn_resconf_setlocalmapselector \
+	idn_resconf_setlocalmapselector
+#define mdn_resconf_setmapper \
+	idn_resconf_setmapper
+#define mdn_resconf_setnormalizer \
+	idn_resconf_setnormalizer
+#define mdn_resconf_setprohibitchecker \
+	idn_resconf_setprohibitchecker
+#define mdn_resconf_setunassignedchecker \
+	idn_resconf_setunassignedchecker
+#define mdn_resconf_setidnconvertername	\
+	idn_resconf_setidnconvertername
+#define mdn_resconf_addalldelimitermapucs \
+	idn_resconf_addalldelimitermapucs
+#define mdn_resconf_setlocalconvertername \
+	idn_resconf_setlocalconvertername
+#define mdn_resconf_addalllocalmapselectornames	\
+	idn_resconf_addalllocalmapselectornames
+#define mdn_resconf_addallmappernames \
+	idn_resconf_addallmappernames
+#define mdn_resconf_addallnormalizernames \
+	idn_resconf_addallnormalizernames
+#define mdn_resconf_addallprohibitcheckernames \
+	idn_resconf_addallprohibitcheckernames
+#define mdn_resconf_addallunassignedcheckernames \
+	idn_resconf_addallunassignedcheckernames
+#define mdn_resconf_setnameprepversion \
+	idn_resconf_setnameprepversion
+#define mdn_resconf_setalternateconverter \
+	idn_resconf_setalternateconverter
+#define mdn_resconf_setalternateconvertername \
+	idn_resconf_setalternateconvertername
+#define mdn_resconf_getalternateconverter \
+	idn_resconf_getalternateconverter
+
+#define mdn_resconf_localconverter \
+	idn_resconf_localconverter
+#define mdn_resconf_idnconverter \
+	idn_resconf_idnconverter
+#define mdn_resconf_alternateconverter \
+	idn_resconf_alternateconverter
+#define mdn_resconf_normalizer \
+	idn_resconf_normalizer
+#define mdn_resconf_mapper \
+	idn_resconf_mapper
+#define mdn_resconf_delimitermap \
+	idn_resconf_delimitermap
+#define mdn_resconf_localmapselector \
+	idn_resconf_localmapselector
+#define mdn_resconf_prohibitchecker \
+	idn_resconf_prohibitchecker
+#define mdn_resconf_unassignedchecker \
+	idn_resconf_unassignedchecker
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MDN_RESCONF_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/result.h b/contrib/idn/idnkit-1.0-src/include/mdn/result.h
new file mode 100644
index 00000000..ac47ff71
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/result.h
@@ -0,0 +1,97 @@
+/* $Id: result.h,v 1.1.1.1 2003/06/04 00:25:46 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_RESULT_H
+#define MDN_RESULT_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <idn/result.h>
+
+#define mdn_result_t \
+	idn_result_t
+
+#define mdn_success \
+	idn_success
+#define mdn_notfound \
+	idn_notfound
+#define mdn_invalid_encoding \
+	idn_invalid_encoding
+#define mdn_invalid_syntax \
+	idn_invalid_syntax
+#define mdn_invalid_name \
+	idn_invalid_name
+#define mdn_invalid_message \
+	idn_invalid_message
+#define mdn_invalid_action \
+	idn_invalid_action
+#define mdn_invalid_codepoint \
+	idn_invalid_codepoint
+#define mdn_invalid_length \
+	idn_invalid_length
+#define mdn_buffer_overflow \
+	idn_buffer_overflow
+#define mdn_noentry \
+	idn_noentry
+#define mdn_nomemory \
+	idn_nomemory
+#define mdn_nofile \
+	idn_nofile
+#define mdn_nomapping \
+	idn_nomapping
+#define mdn_context_required \
+	idn_context_required
+#define mdn_prohibited \
+	idn_prohibited
+#define mdn_failure \
+	idn_failure
+#define mdn_result_tostring \
+	idn_result_tostring
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MDN_RESULT_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/utf8.h b/contrib/idn/idnkit-1.0-src/include/mdn/utf8.h
new file mode 100644
index 00000000..7f5892dc
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/utf8.h
@@ -0,0 +1,70 @@
+/* $Id: utf8.h,v 1.1.1.1 2003/06/04 00:25:46 marka Exp $ */
+/*
+ * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_UTF8_H
+#define MDN_UTF8_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define mdn_utf8_mblen \
+	idn_utf8_mblen
+#define mdn_utf8_getmb \
+	idn_utf8_getmb
+#define mdn_utf8_getwc \
+	idn_utf8_getwc
+#define mdn_utf8_putwc \
+	idn_utf8_putwc
+#define mdn_utf8_isvalidchar \
+	idn_utf8_isvalidchar
+#define mdn_utf8_isvalidstring \
+	idn_utf8_isvalidstring
+#define mdn_utf8_findfirstbyte \
+	idn_utf8_findfirstbyte
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MDN_UTF8_H */
diff --git a/contrib/idn/idnkit-1.0-src/include/mdn/version.h b/contrib/idn/idnkit-1.0-src/include/mdn/version.h
new file mode 100644
index 00000000..2ae4526b
--- /dev/null
+++ b/contrib/idn/idnkit-1.0-src/include/mdn/version.h
@@ -0,0 +1,66 @@
+/* $Id: version.h,v 1.1.1.1 2003/06/04 00:25:46 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef MDN_VERSION_H
+#define MDN_VERSION_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <idn/version.h>
+
+/*
+ * Version number of this package.
+ */
+#define MDNKIT_VERSION		"idnkit " IDNKIT_VERSION
+#define MDNKIT_MAJOR_VERSION	(IDNKIT_MAJOR_VERSION + 4)
+#define MDNKIT_MINOR_VERSION	IDNKIT_MINOR_VERSION
+
+#define mdn_version_getstring	idn_version_getstring
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MDN_VERSION_H */