| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       "foo"
|       <math math>
|         <math mtext>
|           <i>
|             "baz"
|         <math annotation-xml>
|           <svg svg>
|             <svg desc>
|               <b>
|                 "eggs"
|             <svg g>
|               <svg foreignObject>
|                 <p>
|                   "spam"
|                 <table>
|                   <tbody>
|                     <tr>
|                       <td>
|                         <img>
|             <svg g>
|               "quux"
|       "bar"
