remove-block-from-content-before-spanner.html

<!DOCTYPE html>
<script>
    onload = function() {
        var elm = document.getElementById('elm');
        elm.offsetTop; // trigger layout
        elm.style.display = 'none';
    }
</script>
<style>
    .spanner { -webkit-column-span:all; }
</style>
<p>Test removal of some of the column content that precedes a spanner.</p>
<p>There should be three lines below with the word "PASS". Letter spacing is expected to vary</p>
<div style="-webkit-columns:4; -webkit-column-gap:0; width:4em;">
    P<br>P<br>A<br>
    <div id="elm">FAIL</div>
    A<br>S<br>S<br>S<br>S
    <div class="spanner">PASS</div>
</div>

chromium/third_party/blink/web_tests/fast/multicol/dynamic/remove-block-from-content-before-spanner.html