Usage of OUTPUT_RAW to avoid javascript syntax error when dumping HTM…

…L API doc. Fixes issue nelmio#864.

Command/DumpCommand.php

@@ -72,7 +72,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         if ('json' === $format) {
             $output->writeln(json_encode($formattedDoc));
         } else {
-            $output->writeln($formattedDoc);
+            $output->writeln($formattedDoc, OutputInterface::OUTPUT_RAW);
         }
     }
 }