| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>menclose notation downdiagonalstrike test</title> | |
| </head> | |
| <body> | |
| <p> | |
| <math> | |
| <menclose notation="downdiagonalstrike"><mspace width="100px" height="50px" mathbackground="red"/></menclose> | |
| </math> | |
| </p> | |
| </body> | |
| </html> |