[charset-parameter.window.html]
  [text/html;x=(;charset=gbk]
    expected: FAIL

  [text/html ;charset=gbk]
    expected: FAIL

  [text/html;charset= gbk]
    expected: FAIL

  [text/html;test;charset=gbk]
    expected: FAIL

  [text/html;test=;charset=gbk]
    expected: FAIL

  [text/html;';charset=gbk]
    expected: FAIL

  [text/html;";charset=gbk]
    expected: FAIL

  [text/html ; ; charset=gbk]
    expected: FAIL

  [text/html;;;;charset=gbk]
    expected: FAIL

  [text/html;charset= ";charset=GBK]
    expected: FAIL

  [text/html;charset=";charset=foo";charset=GBK]
    expected: FAIL

  [text/html;charset="gbk]
    expected: FAIL

  [text/html;charset="gbk"x]
    expected: FAIL

  [text/html;test=ÿ;charset=gbk]
    expected: FAIL