--- parse tree ---
[ Comment
, SoftBreak
, Code
    "typ/text/features-01.typ"
    ( line 2 , column 2 )
    (FuncCall
       (Ident (Identifier "smallcaps")) [ BlockArg [ Text "Smallcaps" ] ])
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 smallcaps(body: text(body: [Smallcaps])), 
                 parbreak() })
