text-underline-first-line-decoration.html

<!DOCTYPE html>
<style>
.decorate::first-line { text-decoration:underline }
</style>
<body style="overflow:hidden">
<p>Test to make sure that the decoration line paints properly underneath the subscript.
</p>

<p class="decorate" style="font-size:24px; float:left;text-underline-position:under; border:1px dotted orange">
The first line <span style="vertical-align:-20px">has a decoration,</span> but not <img style="vertical-align:-100px; height:20px;width:20px;background-color:lime"> under the image.<br>
The second line should not.
</p>

chromium/third_party/blink/web_tests/fast/css3-text/css3-text-decoration/text-underline-position/text-underline-first-line-decoration.html