See https://groups.google.com/forum/#!topic/pandoc-discuss/_VXtqihCyDU.

```
% pandoc -f latex -t native
\begin{tabular}{>{$}l<{$}>{$}l<{$} >{$}l<{$}}
\toprule
& f1 & f2 \\
\midrule
e      & 0.5    &  4   \\
f      & 0.5    & 5,5  \\
\bottomrule
\end{tabular}
^D
[ Table
    ( "" , [] , [] )
    (Caption Nothing [])
    [ ( AlignLeft , ColWidthDefault )
    , ( AlignLeft , ColWidthDefault )
    , ( AlignLeft , ColWidthDefault )
    ]
    (TableHead
       ( "" , [] , [] )
       [ Row
           ( "" , [] , [] )
           [ Cell
               ( "" , [] , [] )
               AlignDefault
               (RowSpan 1)
               (ColSpan 1)
               [ Plain [ Math InlineMath "" ] ]
           , Cell
               ( "" , [] , [] )
               AlignDefault
               (RowSpan 1)
               (ColSpan 1)
               [ Plain [ Math InlineMath "f1" ] ]
           , Cell
               ( "" , [] , [] )
               AlignDefault
               (RowSpan 1)
               (ColSpan 1)
               [ Plain [ Math InlineMath "f2" ] ]
           ]
       ])
    [ TableBody
        ( "" , [] , [] )
        (RowHeadColumns 0)
        []
        [ Row
            ( "" , [] , [] )
            [ Cell
                ( "" , [] , [] )
                AlignDefault
                (RowSpan 1)
                (ColSpan 1)
                [ Plain [ Math InlineMath "e" ] ]
            , Cell
                ( "" , [] , [] )
                AlignDefault
                (RowSpan 1)
                (ColSpan 1)
                [ Plain [ Math InlineMath "0.5" ] ]
            , Cell
                ( "" , [] , [] )
                AlignDefault
                (RowSpan 1)
                (ColSpan 1)
                [ Plain [ Math InlineMath "4" ] ]
            ]
        , Row
            ( "" , [] , [] )
            [ Cell
                ( "" , [] , [] )
                AlignDefault
                (RowSpan 1)
                (ColSpan 1)
                [ Plain [ Math InlineMath "f" ] ]
            , Cell
                ( "" , [] , [] )
                AlignDefault
                (RowSpan 1)
                (ColSpan 1)
                [ Plain [ Math InlineMath "0.5" ] ]
            , Cell
                ( "" , [] , [] )
                AlignDefault
                (RowSpan 1)
                (ColSpan 1)
                [ Plain [ Math InlineMath "5,5" ] ]
            ]
        ]
    ]
    (TableFoot ( "" , [] , [] ) [])
]
```