xhtmlcomp 233 B

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  1. <?xml version="1.0"?>
  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  3. <html xmlns="http://www.w3.org/1999/xhtml">
  4. <body>
  5. <h1><abbr>a</abbr> b</h1>
  6. </body>
  7. </html>