--- parse tree ---
[ Comment
, SoftBreak
, Code
    "typ/text/features-05.typ"
    ( line 2 , column 2 )
    (FuncCall
       (Ident (Identifier "text"))
       [ KeyValArg
           (Identifier "number-width") (Literal (String "proportional"))
       , BlockArg [ Text "0123456789" ]
       ])
, Space
, HardBreak
, Code
    "typ/text/features-05.typ"
    ( line 3 , column 2 )
    (FuncCall
       (Ident (Identifier "text"))
       [ KeyValArg
           (Identifier "number-width") (Literal (String "tabular"))
       , BlockArg [ Text "3456789123" ]
       ])
, Space
, HardBreak
, Code
    "typ/text/features-05.typ"
    ( line 4 , column 2 )
    (FuncCall
       (Ident (Identifier "text"))
       [ KeyValArg
           (Identifier "number-width") (Literal (String "tabular"))
       , BlockArg [ Text "0123456789" ]
       ])
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 text(body: text(body: [0123456789]), 
                      number-width: "proportional"), 
                 text(body: [ ]), 
                 linebreak(), 
                 text(body: text(body: [3456789123]), 
                      number-width: "tabular"), 
                 text(body: [ ]), 
                 linebreak(), 
                 text(body: text(body: [0123456789]), 
                      number-width: "tabular"), 
                 parbreak() })
