| <!doctype html> | |
| <html> | |
| <head> | |
| <title>form fallback</title> | |
| <meta charset="utf-8"/> | |
| </head> | |
| <body> | |
| <math> | |
| <mo stretchy="true">(</mo> <mspace height="3em" depth="3em"/> <mo stretchy="true">)</mo> | |
| <mo stretchy="true">(</mo> <mspace height="3em" depth="3em"/> <mo stretchy="true">)</mo> | |
| </math> | |
| </body> | |
| </html> |