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<!DOCTYPE html>
<meta charset="UTF-8">
<title>Intra-level whitespace pairing</title>
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="help" href="https://drafts.csswg.org/css-ruby-1/#ruby-pairing">
<link rel="match" href="ruby-intra-level-whitespace-002-ref.html">
<link rel="stylesheet" href="support/ruby-common.css">
<style>
body { font-family: monospace; }
.container { border: 1px solid blue; margin: 20px; }
</style>
<style id="style"></style>
<span id="ref1">12345</span> <span id="ref2">12345 67890</span>
<div class="container"><ruby><rb>12345</rb> <rb>67890</rb><rt>09876</rt><rt>54321</rt></ruby></div>
<div class="container"><ruby><rb>12345</rb><rb>67890</rb><rt>09876</rt> <rt>54321</rt></ruby></div>
<div class="container"><ruby><rb>12345</rb> <rb>67890</rb><rt>09876</rt> <rt>54321</rt></ruby></div>
<script type="text/javascript">
var ref1 = document.getElementById('ref1');
var ref2 = document.getElementById('ref2');
var style = document.getElementById('style');
var width1 = ref1.getBoundingClientRect().width + 'px';
var width2 = ref2.getBoundingClientRect().width + 'px';
// It changes the width of the containers to test incremental
// layout with intra-level whitespace columns being pushed and
// pulled up across a line-break.
style.textContent = '.container { width: ' + width1 + '; }';
document.body.offsetHeight; // force reflow
style.textContent = '.container { width: ' + width2 + '; }';
document.body.offsetHeight; // force reflow
</script>
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