<!DOCTYPE html>
<link rel="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-range">
<link rel="help" href="https://drafts.csswg.org/css-counter-styles/#the-counter-style-rule">
<link rel="match" href="negative-calc-to-non-negative-integer-ref.html">
<meta name="assert" content="Negative calc() passed to <non-negative-integer> property value as argument should be addressed properly.">
<style>
@counter-style foo {
  system: additive;
  additive-symbols: 1 'I', calc(-1) 'X';
  range: infinite infinite;
}
</style>
<ol style="list-style-type: foo" start=-1>
<li></li>
<li></li>
<li></li>
</ol>