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+<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait">
+<head>
+<style>
+/* test the situation where an nsStyleFont is cached in the rule tree but we have to blow it
+ away because MathML is suddenly introduced */
+.v { font: 48px "Verdana"; }
+</style>
+<script>
+function addMathML() {
+ function createMathMLElement(tag) {
+ return document.createElementNS("http://www.w3.org/1998/Math/MathML", tag);
+ }
+
+ var body = document.getElementById("body");
+ body.offsetTop;
+
+ // if we don't blow away the rule tree correctly, then we will cache an nsStyleFont with
+ // a scriptsizemultiplier of 0.71 (the default) and use it to style mstyle2, so the
+ // scriptlevel change will not scale the text by 0.5
+ var math = createMathMLElement("math");
+ var mstyle = createMathMLElement("mstyle");
+ mstyle.setAttribute("scriptsizemultiplier", "0.5");
+ var mstyle2 = createMathMLElement("mstyle");
+ mstyle2.setAttribute("class", "v");
+ var mstyle3 = createMathMLElement("mstyle");
+ mstyle3.setAttribute("scriptlevel", "+1");
+ var mi = createMathMLElement("mi");
+ mi.textContent = "Id";
+ mstyle3.appendChild(mi);
+ mstyle2.appendChild(mstyle3);
+ mstyle.appendChild(mstyle2);
+ math.appendChild(mstyle);
+ body.appendChild(math);
+ document.documentElement.className = '';
+}
+</script>
+</head>
+<body id="body" onload="addMathML()">
+<p><span class="v">Hello</span></p>
+</body>
+</html>