diff --git a/xep.ent b/xep.ent
index f42ab30b..b58d3f2e 100644
--- a/xep.ent
+++ b/xep.ent
@@ -394,6 +394,7 @@ THE SOFTWARE.
 <!ENTITY rfc2119 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2119'>RFC 2119</link></span> <note>RFC 2119: Key words for use in RFCs to Indicate Requirement Levels &lt;<link url='http://tools.ietf.org/html/rfc2119'>http://tools.ietf.org/html/rfc2119</link>&gt;.</note>" >
 <!ENTITY rfc2142 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2142'>RFC 2142</link></span> <note>RFC 2142: Mailbox Names for Common Services, Roles and Functions &lt;<link url='http://tools.ietf.org/html/rfc2142'>http://tools.ietf.org/html/rfc2142</link>&gt;.</note>" >
 <!ENTITY rfc2144 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2144'>RFC 2144</link></span> <note>RFC 2144: The CAST-128 Encryption Algorithm &lt;<link url='http://tools.ietf.org/html/rfc2144'>http://tools.ietf.org/html/rfc2144</link>&gt;.</note>" >
+<!ENTITY rfc2183 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2183'>RFC 2183</link></span> <note>RFC 2183: Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field &lt;<link url='http://tools.ietf.org/html/rfc2183'>http://tools.ietf.org/html/rfc2183</link>&gt;.</note>" >
 <!ENTITY rfc2222 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2222'>RFC 2222</link></span> <note>RFC 2222: Simple Authentication and Security Layer (SASL) &lt;<link url='http://tools.ietf.org/html/rfc2222'>http://tools.ietf.org/html/rfc2222</link>&gt;.</note>" >
 <!ENTITY rfc2251 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2251'>RFC 2251</link></span> <note>RFC 2251: Lightweight Directory Access Protocol (v3) &lt;<link url='http://tools.ietf.org/html/rfc2251'>http://tools.ietf.org/html/rfc2251</link>&gt;.</note>" >
 <!ENTITY rfc2252 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2252'>RFC 2252</link></span> <note>RFC 2252: Lightweight Directory Access Protocol (v3): Attribute Syntax Definitions &lt;<link url='http://tools.ietf.org/html/rfc2252'>http://tools.ietf.org/html/rfc2252</link>&gt;.</note>" >
@@ -570,6 +571,7 @@ THE SOFTWARE.
 
 <!-- IANA registries -->
 
+<!ENTITY ianadispositions "<span class='ref'><link url='http://www.iana.org/assignments/mail-cont-disp'>IANA Mail Content Disposition Values and Parameters Registry</link></span> <note>IANA registry of Mail Content Disposition Values and Parameters &lt;<link url='http://www.iana.org/assignments/mail-cont-disp'>http://www.iana.org/assignments/mail-cont-disp</link>&gt;.</note>" >
 <!ENTITY ianahashes "<span class='ref'><link url='http://www.iana.org/assignments/hash-function-text-names'>IANA Hash Function Textual Names Registry </link></span> <note>IANA registry of Hash Function Textual Names &lt;<link url='http://www.iana.org/assignments/hash-function-text-names'>http://www.iana.org/assignments/hash-function-text-names</link>&gt;.</note>" >
 <!ENTITY ianalinks "<span class='ref'><link url='http://www.iana.org/assignments/link-relations.html'>IANA MIME Atom Link Relations Registry</link></span> <note>IANA registry of Atom link relations &lt;<link url='http://www.iana.org/assignments/link-relations.html'>http://www.iana.org/assignments/link-relations.html</link>&gt;.</note>" >
 <!ENTITY ianamedia "<span class='ref'><link url='http://www.iana.org/assignments/media-types'>IANA MIME Media Types Registry</link></span> <note>IANA registry of MIME media types &lt;<link url='http://www.iana.org/assignments/media-types'>http://www.iana.org/assignments/media-types</link>&gt;.</note>" >
@@ -775,6 +777,14 @@ IANA Service Location Protocol, Version 2 (SLPv2) Templates</link></span> <note>
       <uri>http://www.pavlix.net/</uri>
     </author>
 " >
+<!ENTITY diana "
+    <author>
+      <firstname>Diana</firstname>
+      <surname>Cionoiu</surname>
+      <email>diana@null.ro</email>
+      <jid>l-fy@jabber.null.ro</jid>
+    </author>
+" >
 
 <!-- XMPP Extension Protocols -->