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@faceless2
Created January 9, 2020 11:19
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Force Line Breaking test // source https://jsbin.com/jupalic/13
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Force Line Breaking test</title>
<style>
section {
margin-top: 2em;
}
p {
margin: 0.5em;
}
.ib {
display: inline-block;
width: 55px;
height: 20px;
background-color: green;
}
div {
background-color: #ddd;
margin-right: 10px;
display: inline-block;
width: 50px;
vertical-align: top;
}
.br1::before {
white-space: pre;
content: "\a";
}
.br2::before {
all: unset !important;
display: contents !important;
content: "\a" !important;
white-space: pre !important;
}
.pre {
white-space: pre;
}
</style>
</head>
<body>
<div class="pre"><span class="ib"></span><span>
</span>A</div>
<div><span class="ib"></span><span class="pre">
</span>B</div>
<div><span class="ib"></span> <span class="pre">
</span>C</div>
<div><span class="ib"></span> <span class="br1"></span>D</div>
<div><span class="ib"></span> <span class="br2"></span>E</div>
<div><span class="ib"></span> <br>F</div>
<div><span class="ib"></span> <br style="display:inline-block !important; background-color: red; width:50px; height: 20px">G</div>
<section>
<p>Test A: newline inside span. No collapsible whitespace. block is white-space: pre</p>
<p>Test B: newline inside span. No collapsible whitespace. span is white-space: pre</p>
<p>Test C: newline inside span following collapsible whitespace. span is white-space: pre</p>
<p>Test D: span following collapsible whitespace, duplicating BR definition from HTML5</p>
<p>Test E: span following collapsible whitespace, duplicating BR definition from <a href="https://github.com/w3c/csswg-drafts/issues/610">https://github.com/w3c/csswg-drafts/issues/610</a></p>
<p>Test F: br following collapsible whitespace</p>
<p>Test G: br styling is very persistent</p>
</section>
</body>
</html>
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