diff --git a/src/HTML5/Serializer/OutputRules.php b/src/HTML5/Serializer/OutputRules.php
index a7aa8fc..1b6fcf6 100644
--- a/src/HTML5/Serializer/OutputRules.php
+++ b/src/HTML5/Serializer/OutputRules.php
@@ -278,6 +278,20 @@ public function comment($ele)
$this->wr($ele->ownerDocument->saveXML($ele));
}
+ /**
+ * Write an entity reference node.
+ *
+ * Such a node carries the entity name only: its nodeValue is null and its
+ * textContent is empty, so it cannot go through text(). saveXML() gives
+ * back the reference as it was written, which is what DOMDocument does.
+ *
+ * @param \DOMEntityReference $ele The entity reference to write.
+ */
+ public function entityReference($ele)
+ {
+ $this->wr($ele->ownerDocument->saveXML($ele));
+ }
+
public function processorInstruction($ele)
{
$this->wr('rules->comment($node);
break;
+ case XML_ENTITY_REF_NODE:
+ // entityReference() is not on RulesInterface, so a custom rules
+ // implementation keeps the previous behaviour of skipping the node
+ // rather than fataling on a missing method.
+ if ($this->rules instanceof OutputRules) {
+ $this->rules->entityReference($node);
+ }
+ break;
// Currently we don't support embedding DTDs.
default:
//print '';
diff --git a/test/HTML5/Serializer/OutputRulesTest.php b/test/HTML5/Serializer/OutputRulesTest.php
index a410894..72b44f3 100644
--- a/test/HTML5/Serializer/OutputRulesTest.php
+++ b/test/HTML5/Serializer/OutputRulesTest.php
@@ -366,6 +366,37 @@ public function testText()
$this->assertEquals('<script>alert("hi");</script>', stream_get_contents($stream, -1, 0));
}
+ public function testEntityReference()
+ {
+ $dom = $this->html5->loadHTML('
+
+
+ ');
+
+ $body = $dom->getElementsByTagName('body')->item(0);
+ $span = $dom->createElement('span', 'Identité');
+ $body->appendChild($span);
+
+ // The entity reference carries the name only: nodeValue is null and
+ // textContent is empty, so it cannot go through text().
+ $reference = $span->lastChild;
+ $this->assertEquals(XML_ENTITY_REF_NODE, $reference->nodeType);
+
+ // The traverser has to dispatch it, otherwise the node is skipped silently
+ // and the reference disappears from the output.
+ $stream = fopen('php://temp', 'w');
+ $r = new OutputRules($stream, $this->html5->getOptions());
+ $t = new Traverser($dom, $stream, $r, $this->html5->getOptions());
+
+ $t->node($span);
+ $this->assertEquals('Identité', stream_get_contents($stream, -1, 0));
+
+ $stream = fopen('php://temp', 'w');
+ $r = new OutputRules($stream, $this->html5->getOptions());
+ $r->entityReference($reference);
+ $this->assertEquals('é', stream_get_contents($stream, -1, 0));
+ }
+
public function testNl()
{
list($o, $s) = $this->getOutputRules();