css/css-inline/text-box-trim/text-box-trim-multicol-005.html

<!DOCTYPE html>
<title>Test when a box with `text-box-trim` is block fragmented</title>
<meta name="assert" content="text-box-trim specified inside a fragmentation context does not trim at column boundaries unless box-decoration-break is 'clone'">
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-edge">
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-trim">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/5335#issuecomment-1908655635">
<link rel="match" href="text-box-trim-multicol-005-ref.html">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
.spacer {
  background: lightgray;
  block-size: 100px;
}
.multicol {
  column-count: 3;
  column-fill: auto;
  border: 1px solid;
  height: 290px;
  width: 20ch;
  text-box-trim: trim-both;
  font-family: Ahem;
  font-size: 40px;
  line-height: 2;
  orphans: 1;
  widows: 1;
}
.trim {
  text-box-trim: trim-end;
  text-box-edge: text;
}
</style>
<div class="multicol">
  <div class="trim">
    abc abc abc abc
    abc abc abc abc
  </div>
  <div class="spacer"></div>
</div>