css/css-text/text-justify/text-justify-004.html

<!DOCTYPE html>
<html  lang="en" >
<head>
<meta charset="utf-8">
<title>text-justify: inter-character, arabic</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
<meta name="assert" content="text-justify:inter-character means justification adjusts spacing between each pair of adjacent typographic character units. Justification must not introduce gaps between the joined typographic letter units of cursive scripts such as Arabic.">
<style type='text/css'>
.test { text-align: justify; text-justify: inter-character; }
/* the CSS below is not part of the test */
.test { border: 1px solid blue;  margin: 20px; width: 290px; font-size: 28px; }
</style>
</head>
<body>
<div id='instructions'>Test passes if the sequence مممممع has no gaps in it.</div>
<div class="test">مممممع مممممع مممممع مممممع مممممع</div>
</body>
</html>