changed some code in examples from <?php to <?php in the event that a local install tries to interpret the example as code
diff --git a/user_guide/libraries/validation.html b/user_guide/libraries/validation.html
index 394be19..821e3cf 100644
--- a/user_guide/libraries/validation.html
+++ b/user_guide/libraries/validation.html
@@ -240,7 +240,7 @@
<p>Your controller should now look like this:</p>
-<textarea class="textarea" style="width:100%" cols="50" rows="28"><?php
+<textarea class="textarea" style="width:100%" cols="50" rows="28"><?php
class Form extends Controller {
@@ -340,7 +340,7 @@
<p>Then add a new function called <dfn>username_check</dfn> to your controller. Here's how your controller should look:</p>
-<textarea class="textarea" style="width:100%" cols="50" rows="44"><?php
+<textarea class="textarea" style="width:100%" cols="50" rows="44"><?php
class Form extends Controller {