--- parse tree ---
[ Comment
, SoftBreak
, Equation
    False
    [ Code
        "typ/math/style-04.typ"
        ( line 2 , column 2 )
        (FuncCall
           (Ident (Identifier "text"))
           [ NormalArg (Ident (Identifier "red"))
           , BlockArg [ MAttach Nothing (Just (Text "2")) (Text " time") ]
           ])
    , Text "+"
    , Code
        "typ/math/style-04.typ"
        ( line 2 , column 25 )
        (FuncCall
           (Ident (Identifier "sqrt")) [ BlockArg [ Text "place" ] ])
    ]
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 math.equation(block: false, 
                               body: { text(body: math.attach(b: none, 
                                                              base: text(body: [ time]), 
                                                              t: text(body: [2])), 
                                            color: rgb(100%,25%,21%,100%)), 
                                       text(body: [+]), 
                                       math.sqrt(radicand: text(body: [place])) }, 
                               numbering: none), 
                 parbreak() })
