syntaxPrec.lean:1:18: error: expected ':'
[Elab.command] syntax "foo"("*" <|> term,+) : term
[Elab.command] @[termParser 1000]
    def «termFoo*_» : Lean.ParserDescr✝ :=
      ParserDescr.node✝ `«termFoo*_» 1022
        (ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ "foo")
          (ParserDescr.binary✝ `orelse (ParserDescr.symbol✝ "*")
            ((with_annotate_term"sepBy1(" @ParserDescr.sepBy1✝) (ParserDescr.cat✝ `term 0) ","
              (ParserDescr.symbol✝ ", ") Bool.false✝)))