text-box-trim-inline-box-text-decoration-002.html

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<!DOCTYPE html>

<title>Test of text-decoration position on nested inline boxes with text-box-trim</title>

<link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-trim">

<link rel="help" href="https://drafts.csswg.org/css-text-decor-4/#text-decoration-line-property">

<link rel="match" href="text-box-trim-inline-box-text-decoration-002-ref.html">

<meta name="assert" content="Applying text-box-trim to an inline box also appropriately positions text-decoration provided by an ancestor">

<script src="support/variant-class.js"></script>

<meta charset="utf-8">

<meta name="viewport" content="width=device-width, initial-scale=1">

<meta name="variant" content="?class=cap">

<meta name="variant" content="?class=ex">

<meta name="variant" content="?class=text">

<meta name="variant" content="?class=ideographic">

<meta name="variant" content="?class=ideographic-ink">

<meta name="variant" content="?class=vrl,cap">

<meta name="variant" content="?class=vrl,ideographic">

<meta name="variant" content="?class=vlr,alphabetic">

<meta name="variant" content="?class=vlr,ideographic">

<meta name="variant" content="?class=vlr,ideographic-ink">

<link rel="stylesheet" href="/fonts/baseline-diagnostic/baseline-diagnostic-font.css">

<style>

.container {

  font: 100px/1.5 BaselineDiagnosticAlphabeticZero;

.target {

  text-box-trim: trim-start;

  background: yellow;

.decorated {

  text-decoration-line: underline;

  text-decoration-color: green;

:root.vrl { writing-mode: vertical-rl; }

:root.vlr { writing-mode: vertical-lr; }

.cap  .target { text-box-edge: cap alphabetic; }

.ex   .target { text-box-edge: ex alphabetic; }

.text .target { text-box-edge: text; }

:root:not(.vlr).ideographic     .target { text-box-edge: ideographic alphabetic; }

:root:not(.vlr).ideographic-ink .target { text-box-edge: ideographic-ink alphabetic; }

:root.vlr.alphabetic      .target { text-box-edge: text alphabetic; }

:root.vlr.ideographic     .target { text-box-edge: text ideographic; }

:root.vlr.ideographic-ink .target { text-box-edge: text ideographic-ink; }

</style>

<div class="container">

  <div><span class="decorated"><span class="target">█BxIF</span></span></div>

  <div><span class="target decorated"><span>█BxIF</span></span></div>

  <div><span class="decorated">█<span class="target">BxIF</span></span></div>

</div>