oil AST

(command.CommandList
  children: [
    (C {<printf>} {(DQ <'Content-Type: text/%s'> <Id.Lit_Other '\\'> <n>)} {(DQ <html>)})
    (C {<echo>})
    (C {<printf>} {(DQ <'%s'> <Id.Lit_Other '\\'> <n>)} {(DQ <'001e# service=git-upload-pack'>)})
    (C {<printf>} {(DQ <'%s'>)} {(DQ <0000>)})
    (C {<printf>} {(DQ <'%s%c%s%s'> <Id.Lit_Other '\\'> <n>)} 
      {(DQ <'00a58681d9f286a48b08f37b3a095330da16689e3693 HEAD'>)} {<0>} {(DQ <' include-tag multi_ack_detailed multi_ack ofs-delta'>)} 
      {(DQ <' side-band side-band-64k thin-pack no-progress shallow no-done '>)}
    )
    (C {<printf>} {(DQ <'%s'>)} {(DQ <0000>)})
  ]
)