001+ Warning: DOMDocument::load(): failed to load external entity "books.dtd" in /home/frank/下载/php-5.5.29/ext/dom/tests/wrong_book_with_dtd.xml, line: 2 in %s/DOMDocument_load_variation2.php on line 8
001- Warning: DOMDocument::load%r(XML){0,1}%r(): Element book content does not follow the DTD, expecting (title , author), got (title author author ) %s