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<!DOCTYPE html>
<html>
<head>
<title>The mfenced element</title>
<meta charset="utf-8"/>
<script type="module">
import { _MathTransforms } from '../common/math-transforms.js'
import './mfenced.js'
document.head.appendChild ( _MathTransforms.getCSSStyleSheet() );
window.transform = function (elementId) {
_MathTransforms.transform(elementId);
}
</script>
</head>
<body id="body">
<h1>The mfenced element</h1>
<p>This page contains some tests for the <a href="https://www.w3.org/TR/MathML/chapter3.html#presm.fenced">mfenced element</a>. Click the following button to load a <a href="mfenced.js">polyfill</a> and convert them into an equivalent expanded form.
</p>
<p><input id="button" onclick="transform(body)" type="button" value="Transform mfenced to MathML Core"/></p>
<ol>
<li>empty:
<math>
<mfenced>
</mfenced>
</math>
</li>
<li>1 argument:
<math>
<mfenced>
<mn>0</mn>
</mfenced>
</math>
</li>
<li>2 arguments:
<math>
<mfenced>
<mn>0</mn>
<mn>1</mn>
</mfenced>
</math>
</li>
<li>3 arguments:
<math>
<mfenced>
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
<li>open:
<math>
<mfenced open="[">
<mn>0</mn>
<mn>1</mn>
</mfenced>
</math>
</li>
<li>close:
<math>
<mfenced close="]">
<mn>0</mn>
<mn>1</mn>
</mfenced>
</math>
</li>
<li>separators:
<math>
<mfenced separators=";">
<mn>0</mn>
<mn>1</mn>
</mfenced>
</math>
</li>
<li>open, close, one separator:
<math>
<mfenced open="[" separators=";" close="]">
<mn>0</mn>
<mn>1</mn>
</mfenced>
</math>
</li>
<li>several separators:
<math>
<mfenced separators=",;|">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
<mn>3</mn>
</mfenced>
</math>
</li>
<li>multiple characters in open/close attributes:
<math>
<mfenced open="ABC" close="EDF">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
<li>too few separators (last one is repeated):
<math>
<mfenced separators=",;|">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
<mn>3</mn>
<mn>4</mn>
<mn>5</mn>
</mfenced>
</math>
</li>
<li>too many separators (excess is ignored):
<math>
<mfenced separators=",;|/">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
<li>no separators (no <mo> separators should be output):
<math>
<mfenced separators="">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
<li>whitespace (they should be ignored):
<math>
<mfenced open=" 	 	


 	

[ 	 	


 	

" close=" 	 	


 	

] 	 	


 	

" separators=" 	 	


 	

, 	 	


 	

; 	 	


 	

| 	 	


 	

">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
<mn>3</mn>
</mfenced>
</math>
</li>
<li>surrogate pairs (each pair should be treated as one character):
<math>
<mfenced open="π" separators="πππ" close="π">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
<mn>3</mn>
</mfenced>
</math>
</li>
<li>Other attributes (they should be attached to the expanded mrow):
<style scoped="scoped">.b { font-family: monospace; }</style>
<math>
<mfenced class="b"
style="font-size: 3em;"
href="http://example.com/"
mathcolor="blue"
mathbackground="red">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
<li>Invalid rtl attribute (it should not be attached to the expanded mrow):
<math>
<mfenced dir="rtl">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
<li>mathvariant transform (it should apply to operators too):
<math mathvariant="fraktur">
<mfenced open="A" separators="B" close="C">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
<li>displaystyle (it should apply to operators too):
<math displaystyle="true">
<mfenced open="β" separators="β«" close="β">
<mn>0</mn>
<mn>1</mn>
<mn>2</mn>
</mfenced>
</math>
</li>
</ol>
</body>
</html>