--TEST-- Serialize legacy nodes with NULL content --EXTENSIONS-- dom --FILE-- appendChild($dom->createElement('html')); $root->appendChild($dom->importLegacyNode(new DOMText)); $root->appendChild($dom->importLegacyNode(new DOMComment)); $root->appendChild($dom->importLegacyNode(new DOMProcessingInstruction('target'))); $root->appendChild($dom->importLegacyNode(new DOMCdataSection(''))); echo $dom->saveHTML(), "\n"; echo $dom->documentElement->innerHTML, "\n"; ?> --EXPECT--