--- parse tree ---
[ Code
    "test/typ/text/tracking-spacing-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/text/tracking-spacing-00.typ"
                                 ( line 1 , column 47 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "x")) ])
                             , Space
                             , Text "/"
                             , Text "="
                             , Space
                             , Code
                                 "test/typ/text/tracking-spacing-00.typ"
                                 ( line 1 , column 59 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "y")) ])
                             , Text ")"
                             ])
                      )
                    ]
                ]))))
, SoftBreak
, Comment
, Code
    "test/typ/text/tracking-spacing-00.typ"
    ( line 3 , column 2 )
    (Set
       (Ident (Identifier "text"))
       [ KeyValArg
           (Identifier "tracking") (Negated (Literal (Numeric 1.0e-2 Em)))
       ])
, SoftBreak
, Text "I"
, Space
, Text "saw"
, Space
, Text "Zoe"
, Space
, Text "y\1243sterday,"
, Space
, Text "on"
, Space
, Text "the"
, Space
, Text "tram"
, Text "."
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 text(body: [
I saw Zoe yӛsterday, on the tram.], 
                      tracking: -1.0e-2em), 
                 parbreak() })