Correct <A HREF> tags to use proper URL encoding.

samples/contacts/war/WEB-INF/jsp/add.jsp

@@ -35,6 +35,6 @@
   <br><br>
   <input name="execute" type="submit" alignment="center" value="Execute">
 </form>
-<a href="<c:url value="hello.htm"/>">Home</a>
+<a href="<c:url value="../hello.htm"/>">Home</a>
 </body>
 </html>

samples/contacts/war/WEB-INF/jsp/deleted.jsp

@@ -8,6 +8,6 @@
 <code>
 <c:out value="${contact}"/>
 </code>
-<p><A HREF="index.htm">Manage</a>
+<p><a href="<c:url value="index.htm"/>">Manage</a>
 </body>
 </html>

samples/contacts/war/WEB-INF/jsp/hello.jsp

@@ -19,6 +19,7 @@ the random contact that is shown below:
 <c:out value="${contact}"/>
 </code>
 <p>
-<p><A HREF="secure/index.htm">Manage</a> <A HREF="secure/debug.jsp">Debug</a>
+<p><A HREF="<c:url value="secure/index.htm"/>">Manage</a>
+<A HREF="<c:url value="secure/debug.jsp"/>">Debug</a>
 </body>
 </html>

samples/contacts/war/WEB-INF/jsp/index.jsp

@@ -19,11 +19,11 @@
       <c:out value="${contact.email}"/>
   </td>
   <authz:authorize ifAllGranted="ROLE_SUPERVISOR">
-    <td><A HREF="del.htm?id=<c:out value="${contact.id}"/>">Del</A></td>
+    <td><A HREF="<c:url value="del.htm"><c:param name="id" value="${contact.id}"/></c:url>">Del</A></td>
   </authz:authorize>
   </tr>
 </c:forEach>
 </table>
-<p><A HREF="add.htm">Add</a>   <A HREF="../logoff.jsp">Logoff</A>
+<p><a href="<c:url value="add.htm"/>">Add</a>   <p><a href="<c:url value="../logoff.jsp"/>">Logoff</a>
 </body>
 </html>