diff --git a/reference/intl/constants.xml b/reference/intl/constants.xml
index fcca86c809..b68484b1f4 100755
--- a/reference/intl/constants.xml
+++ b/reference/intl/constants.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 37280533a76693adac626a37ffc8daa2276400ce Maintainer: yannick Status: ready -->
+<!-- EN-Revision: e3ed93fa21c429ec9dfbd207dde6a41835749005 Maintainer: yannick Status: ready -->
 <!-- Reviewed: no -->
 <!-- CREDITS: DAnnebicque -->
 
@@ -150,64 +150,139 @@
      </simpara>
     </listitem>
    </varlistentry>
+  </variablelist>
+  <variablelist xml:id="constant.idna-errors">
+   <para>
+    The following errors are part of a bitmask returned by the UTS #46 algorithm in
+    <function>idn_to_utf8</function> and <function>idn_to_ascii</function>.
+   </para>
    <varlistentry xml:id="constant.idna-error-empty-label">
     <term>
      <constant>IDNA_ERROR_EMPTY_LABEL</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-label-too-long">
     <term>
      <constant>IDNA_ERROR_LABEL_TOO_LONG</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-domain-name-too-long">
     <term>
      <constant>IDNA_ERROR_DOMAIN_NAME_TOO_LONG</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-leading-hyphen">
     <term>
      <constant>IDNA_ERROR_LEADING_HYPHEN</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-trailing-hyphen">
     <term>
      <constant>IDNA_ERROR_TRAILING_HYPHEN</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-hyphen-3-4">
     <term>
      <constant>IDNA_ERROR_HYPHEN_3_4</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-leading-combining-mark">
     <term>
      <constant>IDNA_ERROR_LEADING_COMBINING_MARK</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-disallowed">
     <term>
      <constant>IDNA_ERROR_DISALLOWED</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-punycode">
     <term>
      <constant>IDNA_ERROR_PUNYCODE</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-label-has-dot">
     <term>
      <constant>IDNA_ERROR_LABEL_HAS_DOT</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-invalid-ace-label">
     <term>
      <constant>IDNA_ERROR_INVALID_ACE_LABEL</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-bidi">
     <term>
      <constant>IDNA_ERROR_BIDI</constant>
      (<type>int</type>)
     </term>
+    <listitem>
+     <simpara>
+     </simpara>
+    </listitem>
+   </varlistentry>
+   <varlistentry xml:id="constant.idna-error-contextj">
     <term>
      <constant>IDNA_ERROR_CONTEXTJ</constant>
      (<type>int</type>)
     </term>
     <listitem>
      <simpara>
-      Erreurs rapportées dans un jeu de bits retourné par
-      l'algorithme UTS #46 dans la fonction <function>idn_to_utf8</function>
-      ainsi que dans la fonction <function>idn_to_ascii</function>.
      </simpara>
     </listitem>
    </varlistentry>