<!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's between two spanners.</p>
<p>There should be four lines below with the word "PASS". Letter spacing is expected to vary.</p>
<div style="-webkit-columns:4; -webkit-column-gap:0; width:4em;">
    <div class="spanner">PASS</div>
    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>