Merge pull request #645 from WouterJ/patch-1

Fixed XML support

Author: lsmith77

DependencyInjection/Configuration.php

@@ -190,14 +190,14 @@ private function addFormatListenerSection(ArrayNodeDefinition $rootNode)
                         ->arrayNode('rules')
                             ->cannotBeOverwritten()
                             ->prototype('array')
+                                ->fixXmlConfig('priority', 'priorities')
                                 ->children()
                                     ->scalarNode('path')->defaultNull()->info('URL path info')->end()
                                     ->scalarNode('host')->defaultNull()->info('URL host name')->end()
                                     ->booleanNode('prefer_extension')->defaultTrue()->end()
                                     ->scalarNode('fallback_format')->defaultValue('html')->end()
                                     ->arrayNode('priorities')
                                         ->beforeNormalization()->ifString()->then(function($v) { return preg_split('/\s*,\s*/', $v); })->end()
-                                        ->useAttributeAsKey('name')
                                         ->prototype('scalar')->end()
                                     ->end()
                                 ->end()