+Kiriwrite uses a regular expression for checking if UTF8 data that is
+passed to it is valid is from the World Wide Web Consortium (W3C)
+website. ( http://www.w3.org )
+
+The W3C Software License (the 31st December 2002 version)
+is compatable with the GNU General Public License which Kiriwrite is
+licensed under.
+
+----------------------------------------------------------------------
+
+UTF8 validation check regular expression:
+http://www.w3.org/International/questions/qa-forms-utf-8
+
+Copyright ©2003 World Wide Web Consortium,
+(Massachusetts Institute of Technology, European Research Consortium for
+Informatics and Mathematics, Keio University). All Rights Reserved. This
+work is distributed under the W3C® Software License [1] in thehope
+that it will be useful, but WITHOUT ANY WARRANTY; without even the
+implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+[1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
+