add XML schema definition for the DebugBundle

src/Symfony/Bundle/DebugBundle/DependencyInjection/DebugExtension.php

@@ -38,4 +38,20 @@ class DebugExtension extends Extension
             ->addMethodCall('setMaxItems',  array($config['max_items']))
             ->addMethodCall('setMaxString', array($config['max_string_length']));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getXsdValidationBasePath()
+    {
+        return __DIR__.'/../Resources/config/schema';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getNamespace()
+    {
+        return 'http://symfony.com/schema/dic/debug';
+    }
 }

src/Symfony/Bundle/DebugBundle/Resources/config/schema/debug-1.0.xsd

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<xsd:schema xmlns="http://symfony.com/schema/dic/debug"
+    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+    targetNamespace="http://symfony.com/schema/dic/debug"
+    elementFormDefault="qualified">
+
+    <xsd:element name="config" type="config" />
+
+    <xsd:complexType name="config">
+        <xsd:attribute name="max-items" type="xsd:integer" />
+        <xsd:attribute name="max-string-length" type="xsd:integer" />
+    </xsd:complexType>
+</xsd:schema>