| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8> | |
| <title><sub></title> | |
| </head> | |
| <body> | |
| <!-- is structured inline --> | |
| <p><sub class="class" lang="en">text</sub></p> | |
| <!-- is strictly inline --> | |
| <p><dfn><sub class="class" lang="en">text</sub></dfn></p> | |
| <!-- can be empty --> | |
| <p>text <sub></sub></p> | |
| <p>text <dfn><sub></sub></dfn></p> | |
| <!-- can contain interactive --> | |
| <p><sub><a>text</a></sub></p> | |
| <p><dfn><sub><a>text</a></sub></dfn></p> | |
| <!-- cannot contain structured inline --> | |
| </body> | |
| </html> |