From bc1550787eec24964c506ebbddff9363d114b9e6 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 16 Aug 2015 14:46:33 +0100
Subject: Write descendant nodes

---
 lib/xml/writer.js         | 10 +++++++++-
 tests/xml/writer.tests.js | 11 +++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/lib/xml/writer.js b/lib/xml/writer.js
index a97d17e..239dd04 100644
--- a/lib/xml/writer.js
+++ b/lib/xml/writer.js
@@ -12,7 +12,15 @@ function writeString(root) {
             standalone: true
         });
     root.children.forEach(function(child) {
-        builder.element(child.name);
+        writeElement(builder, child);
     });
     return builder.end();
 }
+
+
+function writeElement(builder, element) {
+    var elementBuilder = builder.element(element.name);
+    element.children.forEach(function(child) {
+        writeElement(elementBuilder, child);
+    });
+}
diff --git a/tests/xml/writer.tests.js b/tests/xml/writer.tests.js
index 5ffecc2..ed7039c 100644
--- a/tests/xml/writer.tests.js
+++ b/tests/xml/writer.tests.js
@@ -14,6 +14,17 @@ describe('xml.writer', function() {
         assertXmlString(new Element("root", {}, [new Element("album"), new Element("single")]),
             '<root><album/><single/></root>');
     });
+    
+    test('can write empty descendant elements', function() {
+        var element = new Element("root", {}, [
+            new Element("album", {}, [
+                new Element("year"),
+                new Element("song")
+            ])
+        ]);
+        assertXmlString(element,
+            '<root><album><year/><song/></album></root>');
+    });
 });
 
 
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