css/css-text/white-space/reference/white-space-pre-wrap-trailing-spaces-013-ref.html

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<meta charset=utf-8>
<meta http-equiv="content-language" content="en, ja" />
<title>CSS test Reference</title>
<link rel="author" title="Javier Fernandez" href="mailto:jfernandez@igalia.com" />
<style>
    div { white-space: pre;  }
    span { background: blue; }
</style>

<p>This test passes if the line is after the white space, which hangs (blue).

<div>ああ<span>&#x0020;<br>X</span></div>