Documentation cannot compile correctly as two IDs have the same name (regression due to bug 380187)

docs/xml/installation.xml

 <!-- <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"> -->
-<!-- $Id: installation.xml,v 1.140 2007/08/02 22:38:43 wurblzap%gmail.com Exp $ -->
+<!-- $Id: installation.xml,v 1.141 2007/08/03 14:58:40 lpsolit%gmail.com Exp $ -->
 <chapter id="installing-bugzilla">
   <title>Installing Bugzilla</title>
 
@@ -1525,7 +1525,7 @@ c:\perl\bin\perl.exe -xc:\bugzilla -wT "%s" %s
       <para>Parameters required to use RADIUS Authentication:</para>
 
       <variablelist>
-        <varlistentry id="param-user_verify_class">
+        <varlistentry id="param-user_verify_class_for_radius">
           <term>user_verify_class</term>
           <listitem>
             <para>If you want to list <quote>RADIUS</quote> here,
@@ -1623,7 +1623,7 @@ c:\perl\bin\perl.exe -xc:\bugzilla -wT "%s" %s
       <para>Parameters required to use LDAP Authentication:</para>
 
       <variablelist>
-        <varlistentry id="param-user_verify_class">
+        <varlistentry id="param-user_verify_class_for_ldap">
           <term>user_verify_class</term>
           <listitem>
             <para>If you want to list <quote>LDAP</quote> here,