diff --git a/xep.ent b/xep.ent
index f2e193b7..103a41be 100644
--- a/xep.ent
+++ b/xep.ent
@@ -244,6 +244,8 @@
 <!ENTITY w3soapemail "<span class='ref'><link url='http://www.w3.org/TR/soap12-email'>SOAP Email Binding</link></span> <note>SOAP Version 1.2 Email Binding &lt;<link url='http://www.w3.org/TR/soap12-email'>http://www.w3.org/TR/soap12-email</link>&gt;.</note>" >
 <!ENTITY w3soapmtom "<span class='ref'><link url='http://www.w3.org/TR/soap12-mtom'>SOAP Message Transmission Optimization Mechanism</link></span> <note>SOAP Message Transmission Optimization Mechanism &lt;<link url='http://www.w3.org/TR/soap12-mtom'>http://www.w3.org/TR/soap12-mtom</link>&gt;.</note>" >
 <!ENTITY w3soaprep "<span class='ref'><link url='http://www.w3.org/TR/soap12-rep'>Resource Representation SOAP Header Block</link></span> <note>Resource Representation SOAP Header Block &lt;<link url='http://www.w3.org/TR/soap12-rep'>http://www.w3.org/TR/soap12-rep</link>&gt;.</note>" >
+<!ENTITY w3svg "<span class='ref'><link url='http://www.w3.org/TR/SVG11/'>Scalable Vector Graphics (SVG)</link></span> <note>Scalable Vector Graphics (SVG) 1.1 Specification
+&lt;<link url='http://www.w3.org/TR/SVG11/'>http://www.w3.org/TR/SVG11/</link>&gt;.</note>" >
 <!ENTITY w3turingtest "<span class='ref'><link url='http://www.w3.org/TR/turingtest/'>Inaccessibility of Visually-Oriented Anti-Robot Tests</link></span> <note>Inaccessibility of Visually-Oriented Anti-Robot Tests &lt;<link url='http://www.w3.org/TR/turingtest/'>http://www.w3.org/TR/turingtest/</link>&gt;.</note>" >
 <!ENTITY w3xforms "<span class='ref'><link url='http://www.w3.org/TR/xforms'>XForms 1.0</link></span> <note>XForms 1.0 &lt;<link url='http://www.w3.org/TR/xforms'>http://www.w3.org/TR/xforms</link>&gt;.</note>" >
 <!ENTITY w3xhtml "<span class='ref'><link url='http://www.w3.org/TR/xhtml1'>XHTML 1.0</link></span> <note>XHTML 1.0 &lt;<link url='http://www.w3.org/TR/xhtml1'>http://www.w3.org/TR/xhtml1</link>&gt;.</note>" >
@@ -903,3 +905,4 @@
 <!ENTITY xep0225 "<span class='ref'><link url='http://www.xmpp.org/extensions/xep-0225.html'>Component Connections</link></span> <note>XEP-0225: Component Connections &lt;<link url='http://www.xmpp.org/extensions/xep-0225.html'>http://www.xmpp.org/extensions/xep-0225.html</link>&gt;.</note>" >
 <!ENTITY xep0226 "<span class='ref'><link url='http://www.xmpp.org/extensions/xep-0226.html'>Message Stanza Profiles</link></span> <note>XEP-0226: Message Stanza Profiles &lt;<link url='http://www.xmpp.org/extensions/xep-0226.html'>http://www.xmpp.org/extensions/xep-0226.html</link>&gt;.</note>" >
 <!ENTITY xep0227 "<span class='ref'><link url='http://www.xmpp.org/extensions/xep-0227.html'>Portable Import/Export Format for XMPP-IM Servers</link></span> <note>XEP-0227: Portable Import/Export Format for XMPP-IM Servers &lt;<link url='http://www.xmpp.org/extensions/xep-0227.html'>http://www.xmpp.org/extensions/xep-0227.html</link>&gt;.</note>" >
+<!ENTITY xep0228 "<span class='ref'><link url='http://www.xmpp.org/extensions/xep-0228.html'>Requirements for Shared Editing</link></span> <note>XEP-0228: Requirements for Shared Editing &lt;<link url='http://www.xmpp.org/extensions/xep-0228.html'>http://www.xmpp.org/extensions/xep-0228.html</link>&gt;.</note>" >