Thought I&#39;d mention that the preferred approach to this in other software systems seems to be to map the illegal characters to/from the Unicode Private Use Area.<br><br>So illegal XML character 11 0xB becomes codepoint 0xE00B.<br>
<br>Apparently this approach is used by some pieces of commercial software, notably Microsoft Visio.<br><br><a href="http://msdn.microsoft.com/en-us/library/office/aa218415%28v=office.10%29.aspx">http://msdn.microsoft.com/en-us/library/office/aa218415%28v=office.10%29.aspx</a><br>
<br><br>...mikeb<br clear="all"><br>-- <br>Mike Beckerle | OGF <span>DFDL</span> WG Co-<span>Chair</span> <br>Tel:  781-330-0412<br><br>