import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/reftests/mathml/mpadded-1-ref.html

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Test mpadded</title>
+    <style type="text/css">
+      div#bigsquare {
+        position: absolute;
+        width: 100px;
+        height: 100px;
+        background: blue; 	
+      }
+      
+      div#smallsquare {
+        position:absolute;
+        width: 20px;
+        height: 20px;
+        left: 20px;
+        top: 10px; 	
+        background: red;
+      }
+      /*left = lspace = 20px;
+	top = heightBig - voffset - heightSmall;
+            = 50 - 30 - 10
+            = 10px */
+      </style>
+  </head>
+  <body>
+    <div id="bigsquare">
+      <div id="smallsquare">
+      </div>
+    </div>
+  </body> 
+<html>