syntaxPrec.lean:1:17-1:21: error: unexpected token '<|>'; expected ':'
[Elab.command] ✅️ @[term_parser 1000]
    public meta def «termFoo*_» : Lean.ParserDescr✝ :=
      ParserDescr.node✝ `«termFoo*_» 1022
        (ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ "foo")
          (ParserDescr.binary✝ `orelse (ParserDescr.nodeWithAntiquot✝ "*" `token.«*» (ParserDescr.symbol✝ "*"))
            ((with_annotate_term"sepBy1(" @ParserDescr.sepBy1✝) (ParserDescr.cat✝ `term 0) ","
              (ParserDescr.symbol✝ ", ") Bool.false✝)))
[Elab.command] ✅️ syntax "foo" ("*" <|> term,+) : term
[Elab.command] ✅️