| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8> | |
| <title><h3></title> | |
| </head> | |
| <body> | |
| <!-- is block --> | |
| <h3 class="class" id="id" lang="en">text</h3> | |
| <!-- can contain strictly inline --> | |
| <h3>text <em>elem</em></h3> | |
| <!-- can contain interactive --> | |
| <h3><a>text</a></h3> | |
| </body> | |
| </html> |