--- parse tree ---
[ Code
    "test/typ/math/delimited-00.typ"
    ( line 1 , column 2 )
    (Let
       (BasicBind (Just (Identifier "test")))
       (FuncExpr
          [ NormalParam (Identifier "x") , NormalParam (Identifier "y") ]
          (Block
             (CodeBlock
                [ If
                    [ ( Equals (Ident (Identifier "x")) (Ident (Identifier "y"))
                      , Block (Content [ Text "\9989" ])
                      )
                    , ( Literal (Boolean True)
                      , Block
                          (Content
                             [ Text "\10060"
                             , Text "("
                             , Code
                                 "test/typ/math/delimited-00.typ"
                                 ( line 1 , column 47 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "x")) ])
                             , Space
                             , Text "/"
                             , Text "="
                             , Space
                             , Code
                                 "test/typ/math/delimited-00.typ"
                                 ( line 1 , column 59 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "y")) ])
                             , Text ")"
                             ])
                      )
                    ]
                ]))))
, SoftBreak
, Comment
, Equation
    True
    [ MGroup (Just "(") (Just ")") [ Text "a" ]
    , Text "+"
    , MGroup (Just "{") (Just "}") [ MFrac (Text "b") (Text "2") ]
    , Text "+"
    , Text "|"
    , Text "a"
    , MFrac (Text "|") (Text "2")
    , Text "+"
    , MGroup (Just "(") (Just ")") [ Text "b" ]
    ]
, SoftBreak
, Equation
    False
    [ MGroup
        Nothing
        Nothing
        [ Text "f"
        , MGroup (Just "(") (Just ")") [ MFrac (Text "x") (Text "2") ]
        ]
    , Text "<"
    , Code
        "test/typ/math/delimited-00.typ"
        ( line 4 , column 11 )
        (FuncCall
           (Ident (Identifier "zeta"))
           [ BlockArg
               [ MAttach Nothing (Just (Text "2")) (Text "c")
               , Text "+"
               , Text "|"
               , Text "a"
               , Text "+"
               , MFrac (Text "b") (Text "2")
               , Text "|"
               ]
           ])
    ]
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 math.equation(block: true, 
                               body: { math.lr(body: ({ [(], 
                                                        text(body: [a]), 
                                                        [)] })), 
                                       text(body: [+]), 
                                       math.lr(body: ({ [{], 
                                                        math.frac(denom: text(body: [2]), 
                                                                  num: text(body: [b])), 
                                                        [}] })), 
                                       text(body: [+]), 
                                       text(body: [|]), 
                                       text(body: [a]), 
                                       math.frac(denom: text(body: [2]), 
                                                 num: text(body: [|])), 
                                       text(body: [+]), 
                                       math.lr(body: ({ [(], 
                                                        text(body: [b]), 
                                                        [)] })) }, 
                               numbering: none), 
                 text(body: [
]), 
                 math.equation(block: false, 
                               body: { text(body: [f]), 
                                       math.lr(body: ({ [(], 
                                                        math.frac(denom: text(body: [2]), 
                                                                  num: text(body: [x])), 
                                                        [)] })), 
                                       text(body: [<]), 
                                       text(body: [ζ]), 
                                       text(body: [(]), 
                                       math.attach(b: none, 
                                                   base: text(body: [c]), 
                                                   t: text(body: [2])), 
                                       text(body: [+]), 
                                       text(body: [|]), 
                                       text(body: [a]), 
                                       text(body: [+]), 
                                       math.frac(denom: text(body: [2]), 
                                                 num: text(body: [b])), 
                                       text(body: [|]), 
                                       text(body: [)]) }, 
                               numbering: none), 
                 parbreak() })