1 files changed, 26 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/block-xhtml-root-3.xhtml b/layout/reftests/margin-collapsing/block-xhtml-root-3.xhtml
new file mode 100644
index 000000000..bf94b4d23
--- /dev/null
+++ b/layout/reftests/margin-collapsing/block-xhtml-root-3.xhtml
@@ -0,0 +1,26 @@
+<root>
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+ <style type="text/css">
+ root, html, body {
+  display: block;
+  margin: 0; padding: 0;
+ }
+ root {
+  margin: 10px 0;
+ }
+ html {
+  background-color: lightgreen;
+  margin: 20px 0;
+ }
+ body {
+  background-color: green;
+  margin: 40px 0;
+  height: 100px;
+ }
+ </style>
+</head>
+<body>
+</body>
+</html>
+</root>