From 46c6e5c97bca0b3ee029ba6fe8a5f2b797103856 Mon Sep 17 00:00:00 2001
From: Gilles Sadowski <gilleseran@gmail.com>
Date: Thu, 10 Jun 2021 15:50:33 +0200
Subject: [PATCH] MATH-1603: Userguide update.

---
 src/site/xdoc/userguide/index.xml   |  3 ---
 src/site/xdoc/userguide/special.xml | 35 +++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 3 deletions(-)
 create mode 100644 src/site/xdoc/userguide/special.xml
diff --git a/src/site/xdoc/userguide/index.xml b/src/site/xdoc/userguide/index.xml
index 90d21ac9e..9fbf847fe 100644
--- a/src/site/xdoc/userguide/index.xml
+++ b/src/site/xdoc/userguide/index.xml
@@ -75,9 +75,6 @@
             <li><a href="special.html">5. Special Functions</a>
                 <ul>
                 <li><a href="special.html#a5.1_Overview">5.1 Overview</a></li>
-                <li><a href="special.html#a5.2_Erf_functions">5.2 Erf functions</a></li>
-                <li><a href="special.html#a5.3_Gamma_functions">5.3 Gamma functions</a></li>
-                <li><a href="special.html#a5.4_Beta_funtions">5.4 Beta funtions</a></li>
                 </ul></li>   
         <li><a href="utilities.html">6. Utilities</a>
                 <ul>
diff --git a/src/site/xdoc/userguide/special.xml b/src/site/xdoc/userguide/special.xml
new file mode 100644
index 000000000..b724c0858
--- /dev/null
+++ b/src/site/xdoc/userguide/special.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0"?>
+
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+   
+         http://www.apache.org/licenses/LICENSE-2.0
+   
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+  -->
+  
+<?xml-stylesheet type="text/xsl" href="./xdoc.xsl"?>
+<document url="fraction.html">
+  <properties>
+    <title>The Commons Math User Guide - Special functions</title>
+  </properties>
+  <body>
+    <section name="5 Special functions">
+      <subsection name="5.1 Overview" href="overview">
+        <p>
+          The "gamma", "beta" and "erf" functions are implemented in
+          <a href="http://commons.apache.org/numbers">Commons Numbers</a>.
+        </p>
+      </subsection>
+    </section>
+  </body>
+</document>
