Add titles to examples missing them. This prevents mysterious blank,

unclickable entries in the list of examples.

en_US.ISO8859-1/books/fdp-primer/docbook-markup/chapter.xml

@@ -844,7 +844,7 @@
       <para>Examples can be shown with <tag>example</tag>.</para>
 
       <example>
-	<title><tag>example</tag></title>
+	<title><tag>example</tag> Source</title>
 
 	<para>Usage:</para>
 
@@ -859,6 +859,8 @@
       <para>Appearance:</para>
 
       <example>
+	<title>Rendered <tag>example</tag></title>
+
 	<para>Empty files can be created easily:</para>
 
 	<screen>&prompt.user; <userinput>touch file1 file2 file3</userinput></screen>

en_US.ISO8859-1/books/fdp-primer/po-translations/chapter.xml

@@ -595,6 +595,8 @@ DOC_PREFIX?=    ${.CURDIR}/../../..
 	the English original.</para>
 
       <example>
+	<title>Preserving <acronym>XML</acronym> Tags</title>
+
 	<para>English original:</para>
 
 	<programlisting>If <tag class="starttag">acronym</tag>NTP<tag class="endtag">acronym</tag> is not being used</programlisting>

en_US.ISO8859-1/books/fdp-primer/the-website/chapter.xml

@@ -150,6 +150,8 @@
     </tip>
 
     <example xml:id="the-website-examples-build">
+      <title>Build the Full Web Site and All Documents</title>
+
       <para>Build the web site and all documents.  The resulting files
 	are left in the document tree:</para>
 
@@ -158,6 +160,8 @@
     </example>
 
     <example xml:id="the-website-examples-buildinstall-englishonly">
+      <title>Build Only the Web Site in English</title>
+
       <para>Build the web site only, in English, as user
 	<systemitem class="username">jru</systemitem>, and install
 	the resulting files into <filename>/tmp/www</filename> for
@@ -168,6 +172,8 @@
     </example>
 
     <example xml:id="the-website-examples-buildinstall">
+      <title>Build and Install the Web Site</title>
+
       <para>Build the web site and all documents as user
 	<systemitem class="username">jru</systemitem>.  Install the
 	resulting files as