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

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <maction actiontype="tooltip">    <mrow>      <msup>        <mrow>          <mfenced>            <mrow>              <mtable>                <mtr>                  <mtd>                    <mn>0</mn>
                  </mtd>
                  <mtd>
                    <mn>1</mn>
                  </mtd>
                </mtr>                 <mtr>                  <mtd>                    <mn>2</mn>
                  </mtd>
                  <mtd>
                    <mn>3</mn>
                  </mtd>
                </mtr>               </mtable>             </mrow>           </mfenced>         </mrow>         <mo>T</mo>       </msup>     </mrow>     <mrow>      <mfenced>        <mrow>          <mtable>            <mtr>              <mtd>                <mn>0</mn>
              </mtd>
              <mtd>
                <mn>2</mn>
              </mtd>
            </mtr>             <mtr>              <mtd>                <mn>1</mn>
              </mtd>
              <mtd>
                <mn>3</mn>
              </mtd>
            </mtr>           </mtable>         </mrow>       </mfenced>     </mrow>   </maction> </math>
>>> native
[ ESuper
    (EDelimited
       "("
       ")"
       [ Right
           (EArray
              [ AlignCenter , AlignCenter ]
              [ [ [ ENumber "0" ] , [ ENumber "1" ] ]
              , [ [ ENumber "2" ] , [ ENumber "3" ] ]
              ])
       ])
    (ESymbol Alpha "T")
]