chromium/third_party/blink/web_tests/virtual/text-antialias/international/complex-joining-using-gpos.html

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<style>
.big { font-size: 70px }
.med { font-size: 30px }
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<p>This pixel test verifies that we position combining characters properly.</p>

<p>The backslash-looking mark should connect into the the character on the center, not be positioned off to the side.</p>
<div class="big">क+&nbsp;े = के</div>
<div class="med">क+&nbsp;े = के</div>

<p>The three words should be separated by spaces, and there should be no
marks above the spaces.</p>
<div class=big>เกมส์ ฟังเพลง  โปรโมทเว็บ</div>
<div class=med>เกมส์ ฟังเพลง  โปรโมทเว็บ</div>