| <!DOCTYPE html> |
| <html> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| </script> |
| <body> |
| <p>This test shouldn't crash.</p> |
| <p><math><mroot><mrow><mroot><mrow><mroot><mrow><mroot><mrow><mroot><mrow><mroot><mrow><mroot><mrow id="insertion-point"></mrow></mroot></mrow></mroot></mrow></mroot></mrow></mroot></mrow></mroot></mrow></mroot></mrow></mroot></math></p></body></html> |
| <script> |
| var elem = document.getElementById("insertion-point"); |
| var parent = elem.parentNode; |
| var wbr = document.createElement("wbr"); |
| parent.insertBefore(wbr, elem); |
| </script> |
