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chromium/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-input-element/range-tick-marks-05-ref.html 

<!doctype html>
<title>no range tick marks for range tick marks that are step mismatches reference</title>
<input type=range step=3 value=1 min=-5 max=5 list=degrees>
<datalist id=degrees>
  <option value=-2>
  <option value=4>
</datalist>