<?xml version="1.0"?>
<!DOCTYPE html PUBLIC
  "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN"
  "http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd"
[
  <!ENTITY mathml "http://www.w3.org/1998/Math/MathML">
]>

<!-- ***** BEGIN LICENSE BLOCK *****
   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
   -
   - The contents of this file are subject to the Mozilla Public License Version
   - 1.1 (the "License"); you may not use this file except in compliance with
   - the License. You may obtain a copy of the License at
   - http://www.mozilla.org/MPL/
   -
   - Software distributed under the License is distributed on an "AS IS" basis,
   - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
   - for the specific language governing rights and limitations under the
   - License.
   -
   - The Original Code is Mozilla MathML Project.
   -
   - The Initial Developer of the Original Code is
   - The University of Queensland.
   - Portions created by the Initial Developer are Copyright (C) 1999
   - the Initial Developer. All Rights Reserved.
   -
   - Contributor(s):
   -   Roger B. Sidje <rbs@maths.uq.edu.au>
   -
   - Alternatively, the contents of this file may be used under the terms of
   - either the GNU General Public License Version 2 or later (the "GPL"), or
   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
   - in which case the provisions of the GPL or the LGPL are applicable instead
   - of those above. If you wish to allow use of your version of this file only
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   - decision by deleting the provisions above and replace them with the notice
   - and other provisions required by the LGPL or the GPL. If you do not delete
   - the provisions above, a recipient may use your version of this file under
   - the terms of any one of the MPL, the GPL or the LGPL.
   -
   - ***** END LICENSE BLOCK ***** -->

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Simple Document with MathML</title>
</head>
<body>

<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
   <mi>x</mi>
   <mo>=</mo>
   <mi>y</mi>
   <mo>+</mo>
   <mfrac>
      <mi>a</mi>
      <mi>b</mi>
   </mfrac>
</mrow>
</math>

</body>
</html>
