160.html   [plain text]

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
  <title>Syntax and parsing of unknown psuedo-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. */
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 <p>This line should have a green background.</p>