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|  | (Empty) | 
| 1 <!DOCTYPE html> |  | 
| 2 <q id=quote></q> |  | 
| 3 <dd id=dd> |  | 
| 4 <body id=body> |  | 
| 5     <style> |  | 
| 6         dd, q, mfenced, div { |  | 
| 7             width: 7px; |  | 
| 8             overflow-y: auto; |  | 
| 9             padding-left: 100%; |  | 
| 10         } |  | 
| 11     </style> |  | 
| 12     <script> |  | 
| 13         if (window.testRunner) |  | 
| 14             testRunner.dumpAsText(); |  | 
| 15 |  | 
| 16         body.contentEditable = "true"; |  | 
| 17         function crash() { |  | 
| 18             mfenced = document.createElementNS("http://www.w3.org/1998/Math/Math
    ML", "mfenced"); |  | 
| 19             div = document.createElement("div"); |  | 
| 20             mfenced.appendChild(div); |  | 
| 21             dd.appendChild(mfenced); |  | 
| 22             body.style.display = "-webkit-flex"; |  | 
| 23             div.appendChild(quote); |  | 
| 24         } |  | 
| 25         window.addEventListener("load", crash, false); |  | 
| 26     </script> |  | 
| 27 |  | 
| 28 This test passes if it does not crash. |  | 
| 29 </body> |  | 
| 30 </dd> |  | 
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