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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow: test reference</title>
<style>
div {
line-clamp: 1;
width: 5.1ch;
font-family: monospace;
border: solid 1px;
margin: 1em;
}
</style>
<p>Test passes if the two boxes below are identical.
<div>123…</div>
<div>123…</div>