diff --git a/appendices/predefined.xml b/appendices/predefined.xml
index f0ad43160d..8a0c537ac6 100644
--- a/appendices/predefined.xml
+++ b/appendices/predefined.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.8 $ -->
+<!-- $Revision: 1.9 $ -->
 
 <!-- Note:  Please do not link or translate this file yet.
 This is only an initial update, quite a few more commits will
@@ -7710,11 +7710,11 @@ follow for this appendix. -->
     </variablelist>
    </sect2>
    <sect2 id="predefined.constants.gd">
-    <title><link linkend="ref.gd">gd</link> Defined Constants</title>
+    <title><link linkend="ref.image">gd</link> Defined Constants</title>
 
     <simpara>
      These constants are defined in the 
-     <link linkend="ref.gd">gd</link> 
+     <link linkend="ref.image">gd</link> 
      extension, and will only be available when that extension has either 
      been compiled into PHP or dynamically loaded at runtime.
     </simpara>
@@ -10135,11 +10135,11 @@ follow for this appendix. -->
    </sect2>
 
    <sect2 id="predefined.constants.mnogosearch">
-    <title><link linkend="ref.mnogosearch">mnogosearch</link> Defined Constants</title>
+    <title><link linkend="ref.mnogo">mnogosearch</link> Defined Constants</title>
 
     <simpara>
      These constants are defined in the 
-     <link linkend="ref.mnogosearch">mnogosearch</link> 
+     <link linkend="ref.mnogo">mnogosearch</link> 
      extension, and will only be available when that extension has either 
      been compiled into PHP or dynamically loaded at runtime.
     </simpara>
@@ -15511,11 +15511,11 @@ follow for this appendix. -->
     </variablelist>
    </sect2>
    <sect2 id="predefined.constants.yp">
-    <title><link linkend="ref.yp">yp</link> Defined Constants</title>
+    <title><link linkend="ref.nis">yp</link> Defined Constants</title>
 
     <simpara>
      These constants are defined in the 
-     <link linkend="ref.yp">yp</link> 
+     <link linkend="ref.nis">yp</link> 
      extension, and will only be available when that extension has either 
      been compiled into PHP or dynamically loaded at runtime.
     </simpara>
diff --git a/appendices/reserved.constants.gd.xml b/appendices/reserved.constants.gd.xml
index 87f3d47215..6cf15445b3 100644
--- a/appendices/reserved.constants.gd.xml
+++ b/appendices/reserved.constants.gd.xml
@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <refentry id="reserved.constants.gd">
   <refnamediv>
    <refname>gd Predefined Constants</refname>
-   <refpurpose>Constants defined in the <link linkend="ref.gd">gd</link> extension</refpurpose>
+   <refpurpose>Constants defined in the <link linkend="ref.image">gd</link> extension</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <simpara>
     These constants are defined by the <link
-    linkend="ref.gd"> gd</link> extension, and
+    linkend="ref.image"> gd</link> extension, and
     will only be available when that extension has either been
     compiled into PHP or dynamically loaded at runtime.
    </simpara>
diff --git a/appendices/reserved.constants.mnogosearch.xml b/appendices/reserved.constants.mnogosearch.xml
index 72a1748098..bcacd9c166 100644
--- a/appendices/reserved.constants.mnogosearch.xml
+++ b/appendices/reserved.constants.mnogosearch.xml
@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <refentry id="reserved.constants.mnogosearch">
   <refnamediv>
    <refname>mnogosearch Predefined Constants</refname>
-   <refpurpose>Constants defined in the <link linkend="ref.mnogosearch">mnogosearch</link> extension</refpurpose>
+   <refpurpose>Constants defined in the <link linkend="ref.mnogo">mnogosearch</link> extension</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <simpara>
     These constants are defined by the <link
-    linkend="ref.mnogosearch"> mnogosearch</link> extension, and
+    linkend="ref.mnogo"> mnogosearch</link> extension, and
     will only be available when that extension has either been
     compiled into PHP or dynamically loaded at runtime.
    </simpara>
diff --git a/appendices/reserved.constants.yp.xml b/appendices/reserved.constants.yp.xml
index 16f5f37220..572fa41902 100644
--- a/appendices/reserved.constants.yp.xml
+++ b/appendices/reserved.constants.yp.xml
@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <refentry id="reserved.constants.yp">
   <refnamediv>
    <refname>yp Predefined Constants</refname>
-   <refpurpose>Constants defined in the <link linkend="ref.yp">yp</link> extension</refpurpose>
+   <refpurpose>Constants defined in the <link linkend="ref.nis">yp</link> extension</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <simpara>
     These constants are defined by the <link
-    linkend="ref.yp"> yp</link> extension, and
+    linkend="ref.nis"> yp</link> extension, and
     will only be available when that extension has either been
     compiled into PHP or dynamically loaded at runtime.
    </simpara>