css/css-text/white-space/white-space-pre-wrap-trailing-spaces-012.html

<!doctype html>
<meta charset=utf-8>
<title>CSS Text test: hanging trailing spaces with white-space:pre-wrap</title>
<link rel="author" title="Javier Fernandez" href="mailto:jfernandez@igalia.com">
<link rel="help" title="3. White Space and Wrapping: the white-space property" href="https://drafts.csswg.org/css-text-3/#white-space-property">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-pre-wrap">
<link rel="help" title="4.1.3. Phase II: Trimming and Positioning" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
<link rel="help" title="5.2. Breaking Rules for Letters: the word-break property" href="https://drafts.csswg.org/css-text-3/#word-break-property">
<link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-word-break-normal">
<link rel="match" href="reference/white-space-pre-wrap-trailing-spaces-012-ref.html">
<link rel="match" href="reference/white-space-pre-wrap-trailing-spaces-alt-012-ref.html">
<meta name="assert" content="Previous breaking opportunities are not considered if the overflow is caused by hanging trailing spaces.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<style>
div {
  font: 20px/1 Ahem;
  width: 4ch;
  white-space: pre-wrap;
}
span { background: blue; } /* If the space is removed instead of hanging, there will be no blue box*/
</style>

<p>This test passes if the line is broken after the 2nd white space, which hangs (blue).
<div>XX X<span> X</span></div>