diff --git a/xep.ent b/xep.ent
index 1b00e50f..8cfeff5e 100644
--- a/xep.ent
+++ b/xep.ent
@@ -258,6 +258,7 @@
 <!ENTITY w3xhtml2 "<span class='ref'><link url='http://www.w3.org/TR/xhtml2'>XHTML 2.0</link></span> <note>XHTML 2.0 &lt;<link url='http://www.w3.org/TR/xhtml2'>http://www.w3.org/TR/xhtml2</link>&gt;.</note>" >
 <!ENTITY w3xhtmlbasic "<span class='ref'><link url='http://www.w3.org/TR/xhtml-basic'>XHTML Basic</link></span> <note>XHTML Basic &lt;<link url='http://www.w3.org/TR/xhtml-basic'>http://www.w3.org/TR/xhtml-basic</link>&gt;.</note>" >
 <!ENTITY w3xhtmlmod "<span class='ref'><link url='http://www.w3.org/TR/2004/WD-xhtml-modularization-20040218/'>Modularization of XHTML</link></span> <note>Modularization of XHTML &lt;<link url='http://www.w3.org/TR/2004/WD-xhtml-modularization-20040218/'>http://www.w3.org/TR/2004/WD-xhtml-modularization-20040218/</link>&gt;.</note>" >
+<!ENTITY w3xinclude "<span class='ref'><link url='http://www.w3.org/TR/xinclude/'>XInclude</link></span> <note>XML Inclusions (XInclude) 1.0 &lt;<link url='http://www.w3.org/TR/xinclude/'>http://www.w3.org/TR/xinclude/</link>&gt;.</note>" >
 <!ENTITY w3rdf "<span class='ref'><link url='http://www.w3.org/RDF/'>Resource Description Framework</link></span> <note>Resource Description Framework (RDF) &lt;<link url='http://www.w3.org/RDF/'>http://www.w3.org/RDF/</link>&gt;.</note>" >
 <!ENTITY w3xml "<span class='ref'><link url='http://www.w3.org/TR/REC-xml/'>XML 1.0</link></span> <note>Extensible Markup Language (XML) 1.0 (Fourth Edition) &lt;<link url='http://www.w3.org/TR/REC-xml/'>http://www.w3.org/TR/REC-xml/</link>&gt;.</note>" >
 <!ENTITY w3xmlenc "<span class='ref'><link url='http://www.w3.org/TR/2002/REC-xmlenc-core-20021210/'>XML Encryption</link></span> <note>XML Encryption Syntax and Processing &lt;<link url='http://www.w3.org/TR/2002/REC-xmlenc-core-20021210/'>http://www.w3.org/TR/2002/REC-xmlenc-core-20021210/</link>&gt;.</note>" >