? <mail ?mail> $mail [

  ? <xapian ?uuid ?path> [
    $log ! <log "-" { xapian: <xapian $uuid $path> }>
  ]

  <query spam "spam" english>

  ? <match spam ?id ?weight ?rank > [
    ? <document $id ?data> [
      $log ! <log "-" { spam: { docid: $id data: $data } }>
    ]
  ]

  $config [
    # <require-service <daemon xapian_actor>>
    ? <service-object <daemon xapian_actor> ?cap> [
      $cap {
        database: "/home/emery/mail/.notmuch/xapian"
        dataspace: $mail
      }
    ]
  ]
]