simplePres.test

<<< mml
<?xml version="1.0" encoding="UTF-8"?>

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mfenced open="{" separators=",.">
    <mfrac>
      <mn>1</mn> 
      <mn>78</mn> 
    </mfrac> 
    <mrow>
      <mo>sin</mo> 
      <mi>x</mi> 
    </mrow> 
    <mi>y</mi> 
  </mfenced> 
  <mo>&#x00D7;</mo> 
  <msup>
    <mi>&#x1D51E;</mi> 
    <mrow>
      <mn>2</mn> 
      <mi>x</mi> 
    </mrow> 
  </msup> 
  <mo>+</mo> 
  <msub>
    <mn>2</mn> 
    <mi>j</mi> 
  </msub> 
  <mi>x</mi> 
  <mo>+</mo> 
  <mfrac>
    <mn>45</mn> 
    <mfrac>
      <mn>1</mn> 
      <mn>78</mn> 
    </mfrac> 
  </mfrac> 
  <mo>*</mo> 
  <mstyle color="blue" mathbackground="red" fontsize="24pt">
    <msubsup>
      <mi>x</mi> 
      <mn color="green">2</mn> 
      <mn>3</mn> 
    </msubsup> 
  </mstyle> 
  <mo>=</mo> 
  <mstyle color="blue" mathbackground="#ADD8E6" fontsize="16pt">
    <mroot>
      <mfrac>
        <mn>1</mn> 
        <mrow>
          <mn>23</mn> 
          <mo>+</mo> 
          <mn>&#x03B2;</mn> 
        </mrow> 
      </mfrac> 
      <mn>3</mn> 
    </mroot> 
  </mstyle> 
  <ms lquote="#" rquote="'">This is my string!</ms> </math>
>>> native
[ EDelimited
    "{"
    ")"
    [ Right
        (EGrouped
           [ EFraction NormalFrac (ENumber "1") (ENumber "78")
           , ESymbol Pun ","
           , EGrouped [ EMathOperator "sin" , EIdentifier "x" ]
           , ESymbol Alpha "."
           , EIdentifier "y"
           ])
    ]
, ESymbol Bin "\215"
, ESuper
    (EIdentifier "\120094")
    (EGrouped [ ENumber "2" , EIdentifier "x" ])
, ESymbol Bin "+"
, ESub (ENumber "2") (EIdentifier "j")
, EIdentifier "x"
, ESymbol Bin "+"
, EFraction
    NormalFrac
    (ENumber "45")
    (EFraction NormalFrac (ENumber "1") (ENumber "78"))
, ESymbol Ord "*"
, ESubsup (EIdentifier "x") (ENumber "2") (ENumber "3")
, ESymbol Rel "="
, ERoot
    (ENumber "3")
    (EFraction
       NormalFrac
       (ENumber "1")
       (EGrouped [ ENumber "23" , ESymbol Bin "+" , ENumber "\946" ]))
, EText TextNormal "#This is my string!'"
]