Add a section with references to Subversion usage.

svn path=/head/; revision=42327

en_US.ISO8859-1/books/fdp-primer/working-copy/chapter.xml

@@ -135,7 +135,7 @@
   <sect1 id="working-copy-revert">
     <title>Reverting Changes</title>
 
-    <para>Sometimes, it turns out that some changes made locally were
+    <para>Sometimes it turns out that changes were
       not necessary after all, or the writer just wants to start over.
       Files can be <quote>reset</quote> to their unchanged form with
       <command>svn revert</command>.  For example, to erase the edits
@@ -148,7 +148,7 @@
   <sect1 id="working-copy-making-diff">
     <title>Making a Diff</title>
 
-    <para>After edits to a file or group of files are complete, the
+    <para>After edits to a file or group of files are completed, the
       differences between the local working copy and the version on
       the &os; repository must be collected into a single file for
       submission.  These <emphasis>diff</emphasis> files are produced
@@ -178,4 +178,16 @@
     <screen>&prompt.user; <userinput>cd <replaceable>~/doc</replaceable></userinput>
 &prompt.user; <userinput>svn diff <replaceable>disks/chapter.xml printers/chapter.xml</replaceable> &gt; <replaceable>disks-printers.diff</replaceable></userinput></screen>
   </sect1>
+
+  <sect1 id="working-copy-subversion-references">
+    <title><application>Subversion</application> References</title>
+
+    <para>These examples show very basic usage of
+      <application>Subversion</application>.  More detail is available
+      in the <ulink
+	url="http://svnbook.red-bean.com/">Subversion Book</ulink>
+      and the <ulink
+	url="http://subversion.apache.org/docs/">Subversion
+	documentation</ulink>.</para>
+  </sect1>
 </chapter>