<<< native
[ EArray
    [ AlignLeft , AlignLeft ]
    [ [ [ EText TextMonospace "textrm" ]
      , [ EText TextNormal "ABCabc" ]
      ]
    , [ [ EText TextMonospace "mathrm" ]
      , [ EStyled
            TextNormal
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathup" ]
      , [ EStyled
            TextNormal
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "text" ]
      , [ EText TextNormal "ABCabc" ]
      ]
    , [ [ EText TextMonospace "mbox" ]
      , [ EText TextNormal "ABCabc" ]
      ]
    , [ [ EText TextMonospace "mathbf" ]
      , [ EStyled
            TextBold
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbfup" ]
      , [ EStyled
            TextBold
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "textbf" ]
      , [ EText TextBold "ABCabc" ]
      ]
    , [ [ EText TextMonospace "mathit" ]
      , [ EStyled
            TextItalic
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "textit" ]
      , [ EText TextItalic "ABCabc" ]
      ]
    , [ [ EText TextMonospace "mathtt" ]
      , [ EStyled
            TextMonospace
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "texttt" ]
      , [ EText TextMonospace "ABCabc" ]
      ]
    , [ [ EText TextMonospace "mathsf" ]
      , [ EStyled
            TextSansSerif
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathsfup" ]
      , [ EStyled
            TextSansSerif
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbb" ]
      , [ EStyled
            TextDoubleStruck
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathcal" ]
      , [ EStyled
            TextScript
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathscr" ]
      , [ EStyled
            TextScript
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathfrak" ]
      , [ EStyled
            TextFraktur
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbfit" ]
      , [ EStyled
            TextBoldItalic
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbfsfup" ]
      , [ EStyled
            TextSansSerifBold
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbfsfit" ]
      , [ EStyled
            TextSansSerifBoldItalic
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbfscr" ]
      , [ EStyled
            TextBoldScript
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbffrak" ]
      , [ EStyled
            TextBoldFraktur
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathbfcal" ]
      , [ EStyled
            TextBoldScript
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    , [ [ EText TextMonospace "mathsfit" ]
      , [ EStyled
            TextSansSerifItalic
            [ EIdentifier "A"
            , EIdentifier "B"
            , EIdentifier "C"
            , EIdentifier "a"
            , EIdentifier "b"
            , EIdentifier "c"
            ]
        ]
      ]
    ]
]
>>> tex
\begin{array}{ll}
\texttt{textrm} & \text{ABCabc} \\
\texttt{mathrm} & \mathrm{ABCabc} \\
\texttt{mathup} & \mathrm{ABCabc} \\
\texttt{text} & \text{ABCabc} \\
\texttt{mbox} & \text{ABCabc} \\
\texttt{mathbf} & \mathbf{ABCabc} \\
\texttt{mathbfup} & \mathbf{ABCabc} \\
\texttt{textbf} & \textbf{ABCabc} \\
\texttt{mathit} & \mathit{ABCabc} \\
\texttt{textit} & \textit{ABCabc} \\
\texttt{mathtt} & \mathtt{ABCabc} \\
\texttt{texttt} & \texttt{ABCabc} \\
\texttt{mathsf} & \mathsf{ABCabc} \\
\texttt{mathsfup} & \mathsf{ABCabc} \\
\texttt{mathbb} & \mathbb{ABCabc} \\
\texttt{mathcal} & \mathcal{ABCabc} \\
\texttt{mathscr} & \mathcal{ABCabc} \\
\texttt{mathfrak} & \mathfrak{ABCabc} \\
\texttt{mathbfit} & \mathbf{ABCabc} \\
\texttt{mathbfsfup} & \mathbf{ABCabc} \\
\texttt{mathbfsfit} & \mathbf{ABCabc} \\
\texttt{mathbfscr} & \mathcal{ABCabc} \\
\texttt{mathbffrak} & \mathfrak{ABCabc} \\
\texttt{mathbfcal} & \mathcal{ABCabc} \\
\texttt{mathsfit} & \mathsf{ABCabc}
\end{array}