1 files changed, 23 insertions, 0 deletions
diff --git a/layout/reftests/bugs/507762-1.html b/layout/reftests/bugs/507762-1.html
new file mode 100644
index 000000000..9f811e044
--- /dev/null
+++ b/layout/reftests/bugs/507762-1.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style>
+@namespace url(test);
+div {
+background-color: red;
+}
+div[mixedCase=true] {
+background-color: green !important;
+}
+</style>
+<script>
+function f() {
+var elem = document.createElementNS("test","div");
+elem.setAttribute("mixedCase",true);
+elem.appendChild(document.createTextNode("text"));
+document.getElementsByTagName("body")[0].appendChild(elem); }
+</script>
+</head>
+<body onload="f();">
+</body>
+</html>