1 files changed, 76 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mathml/presentation-markup/scripts/none-002.html b/testing/web-platform/tests/mathml/presentation-markup/scripts/none-002.html
new file mode 100644
index 0000000000..d1f3a3a0e1
--- /dev/null
+++ b/testing/web-platform/tests/mathml/presentation-markup/scripts/none-002.html
@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>none used at other places than mmultiscripts' script</title>
+    <link rel="help" href="https://w3c.github.io/mathml-core/#subscripts-and-superscripts-msub-msup-msubsup">
+    <meta name="assert" content="none can be used at other places than mmultiscripts' script, without triggering 'invalid markup'">
+    <link rel="match" href="none-002-ref.html">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+    <style>
+      math { font: 25px/1 Ahem; }
+    </style>
+  </head>
+  <body>
+    <p>
+      <math>
+        <msub>
+          <none/>
+          <mn>2</mn>
+        </msub>
+      </math>
+      <math>
+        <msub>
+          <mn>1</mn>
+          <none/>
+        </msub>
+      </math>
+    </p>
+    <p>
+      <math>
+        <msup>
+          <none/>
+          <mn>2</mn>
+        </msup>
+      </math>
+      <math>
+        <msup>
+          <mn>1</mn>
+          <none/>
+        </msup>
+      </math>
+    </p>
+    <p>
+      <math>
+        <msubsup>
+          <none/>
+          <mn>2</mn>
+          <mn>3</mn>
+        </msubsup>
+      </math>
+      <math>
+        <msubsup>
+          <mn>1</mn>
+          <none/>
+          <mn>3</mn>
+        </msubsup>
+      </math>
+      <math>
+        <msubsup>
+          <mn>1</mn>
+          <mn>2</mn>
+          <none/>
+        </msubsup>
+      </math>
+    </p>
+    <p>
+      <math>
+        <mmultiscripts>
+          <none/>
+          <mn>2</mn>
+          <mn>3</mn>
+        </mmultiscripts>
+      </math>
+    </p>
+  </body>
+</html>