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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-text/white-space/hanging-whitespace-001.tentative.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text Level 3: glyphs can only hang at the edge of a line</title>
<link rel="author" title="Andreu Botella" href="mailto:abotella@igalia.com">
<link rel="match" href="/css/reference/ref-filled-green-100px-square.xht">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<meta name="assert" content="Glyphs can't hang at the end of the line if there are non-hanging glyphs after them in the line">
<style>
div {
font: 25px/1 Ahem;
width: 5ch;
height: 4ch;
margin-left: -1ch;
background:
linear-gradient(red, red) 1ch 0 / 4ch 1ch no-repeat,
linear-gradient(green, green) 1ch 0 / 4ch 4ch no-repeat;
text-align: right;
white-space: normal;
}
span {
color: transparent;
background: green;
}
.break-spaces {
white-space: break-spaces;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div><span>X　　</span><span class="break-spaces"> </span></div>
<!--
With white-space: normal, ideographic spaces (U+3000) are preserved but do
hang. But here they are followed by spaces with white-space: break-spaces,
which are preserved and never hang. Since only glyphs at the edge of a line
can hang, this prevents the ideographic spaces from hanging.
-->