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+<!DOCTYPE html>
+<html lang="en">
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+<title>CSS Test:  font default features</title>
+<link rel="author" title="Chris Lilley" href="chris@w3.org">
+<link rel="help" href="https://www.w3.org/TR/css-fonts-3/#default-features">
+<link rel="help" href="https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop">
+<link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#block-flow">
+<link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#text-orientation">
+<link rel="match" href="font-default-04-a-ref.html">
+<link rel="match" href="font-default-04-b-ref.html">
+<link rel="match" href="font-default-04-c-ref.html">
+<meta name="assert" content="For upright text within vertical text runs, vertical alternates (OpenType feature: vert) must be enabled">
+<style>
+  @font-face {
+    font-family: fwf;
+    src: url(support/fonts/FontWithFancyFeatures.otf);
+  }
+  .tests {
+	  font-family: fwf;
+	  font-size: 4em;
+	  line-height: 1.1;
+    writing-mode: vertical-rl;
+    text-orientation: upright;
+    color: green;
+  }
+  .default {
+    color: purple;
+  }
+  .test1 {
+    font-feature-settings: "vert" on;
+  }
+  .test2 {
+    font-feature-settings: "vert" 2;
+  }
+</style>
+
+<body>
+<p>Test passes if the first <em>vertical</em> line (in purple) has <em>at least one</em> check mark
+and the next two  lines (in green) are identical, with two check marks (✓).</p>
+<section class="tests">
+  <p class="default">Å人</p>
+	<p><span class="test1">Å</span><span class="test2">人</span></p>
+	<p class="ref">AA</p>
+</section>
+\ No newline at end of file