| <!DOCTYPE html> | |
| <link rel="help" href="https://github.com/servo/servo/issues/36699"> | |
| <link rel="author" href="mailto:fwang@igalia.com" title="Frédéric Wang"> | |
| <span id="span"></span> | |
| <script> | |
| let th = document.createElement("th"); | |
| span.replaceWith(th); | |
| th.colSpan = 0; | |
| </script> | |