[ EDelimited
    "|"
    "|"
    [ Right (EOver False (EIdentifier "z") (ESymbol Accent "\8254")) ]
, ESymbol Rel "="
, EDelimited "|" "|" [ Right (EIdentifier "z") ]
, ESymbol Pun ","
, EDelimited
    "|"
    "|"
    [ Right
        (ESuper
           (EDelimited
              "("
              ")"
              [ Right (EOver False (EIdentifier "z") (ESymbol Accent "\8254")) ])
           (EIdentifier "n"))
    ]
, ESymbol Rel "="
, ESuper
    (EDelimited "|" "|" [ Right (EIdentifier "z") ]) (EIdentifier "n")
, ESymbol Pun ","
, EMathOperator "arg"
, EDelimited
    "(" ")" [ Right (ESuper (EIdentifier "z") (EIdentifier "n")) ]
, ESymbol Rel "="
, EIdentifier "n"
, EMathOperator "arg"
, EDelimited "(" ")" [ Right (EIdentifier "z") ]
]