| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"> |
| <html> |
| <head> |
| <title>Syntax and parsing of unknown pseudo-classes</title> |
| <style type="text/css"> |
| p { background: lime; } |
| p:subject { background: red; } /* this is not valid CSS, and if UAs |
| implemented the experimental :subject pseudo-class they should have |
| used the :-vnd-ident syntax. */ |
| </style> |
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| </head> |
| <body> |
| <p>This line should have a green background.</p> |
| </body> |
| </html> |
