<!DOCTYPE html> <meta charset="utf-8"> <title>CSS Text Test: white-space - break-spaces</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://www.w3.org/TR/css-text-3/#white-space-property"> <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-white-space-break-spaces"> <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-word-break-break-all"> <link rel="match" href="reference/white-space-break-spaces-005-ref.html"> <meta name="flags" content="ahem"> <meta name="assert" content="A single leading white-space should be used, honoring white-space: break-spaces, to avoid overflow; however, a single preserved white-space at the end of the line cannot be wrapped, hence it overflows when breaking after it to move the rest of the text to the next line."> <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> <style> div { font: 25px/1 Ahem; } .fail { position: absolute; color: red; z-index: -1; } span { color: green; } .test { color: green; width: 4ch; white-space: break-spaces; } </style> <body> <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p> <div class="fail"><span>XXXX</span><br>XXXX<br>XXX<span>X</span><br><span>XXXX</span></div> <div class="test"> XXXX XXX</div> </body>