From 0bf794cf48c0acf58238083669857c202484b650 Mon Sep 17 00:00:00 2001
From: Brian Graham <drakain@gmail.com>
Date: Thu, 30 May 2013 11:16:00 -0400
Subject: [PATCH] XML validation code needs constraint-mapping element

Missing XML information causes errors, has been been problematic for a while. See link for example: http://vvv.tobiassjosten.net/symfony/symfony2-validation-in-xml/
---
 book/forms.rst | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/book/forms.rst b/book/forms.rst
index 9f8f8a1b7ac..e4e8953e318 100644
--- a/book/forms.rst
+++ b/book/forms.rst
@@ -318,15 +318,18 @@ object.
     .. code-block:: xml
 
         <!-- Acme/TaskBundle/Resources/config/validation.xml -->
-        <class name="Acme\TaskBundle\Entity\Task">
-            <property name="task">
-                <constraint name="NotBlank" />
-            </property>
-            <property name="dueDate">
-                <constraint name="NotBlank" />
-                <constraint name="Type">\DateTime</constraint>
-            </property>
-        </class>
+        <?xml version="1.0" charset="UTF-8"?>
+        <constraint-mapping xmlns="http://symfony.com/schema/dic/constraint-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://symfony.com/schema/dic/constraint-mapping http://symfony.com/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd">
+            <class name="Acme\TaskBundle\Entity\Task">
+                <property name="task">
+                    <constraint name="NotBlank" />
+                </property>
+                <property name="dueDate">
+                    <constraint name="NotBlank" />
+                    <constraint name="Type">\DateTime</constraint>
+                </property>
+            </class>
+        <constraint-mapping>
 
     .. code-block:: php