mtable-01.test

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

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <mtable frame="solid">    <mtr>      <mtd>        <mi mathvariant="normal">H</mi>
      </mtd>
    </mtr>     <mtr>      <mtd>        <mi mathvariant="normal">T</mi>
      </mtd>
    </mtr>     <mtr>      <mtd>        <mi mathvariant="normal">U</mi>
      </mtd>
    </mtr>   </mtable>   <mo>=</mo>   <mtable frame="solid">    <mtr>      <mtd>        <mi mathvariant="normal">H</mi>
      </mtd>
    </mtr>     <mtr>      <mtd>        <mi mathvariant="normal">T</mi>
      </mtd>
    </mtr>     <mtr>      <mtd>        <mi mathvariant="normal">U</mi>
      </mtd>
    </mtr>   </mtable> </math>
>>> native
[ EArray
    [ AlignCenter ]
    [ [ [ EIdentifier "H" ] ]
    , [ [ EIdentifier "T" ] ]
    , [ [ EIdentifier "U" ] ]
    ]
, ESymbol Rel "="
, EArray
    [ AlignCenter ]
    [ [ [ EIdentifier "H" ] ]
    , [ [ EIdentifier "T" ] ]
    , [ [ EIdentifier "U" ] ]
    ]
]