-- input --
2024/01/01 groceries
    expenses:food  $10
    @@@bad1
    @bad2
    @bad3
    assets:checking
-- expect --
Journal
  Transaction j:1:1-7:1
    Date: 2024/01/01
    Payee: "groceries" j:1:12-2:0
    Posting j:2:1-3:1
      Account j:2:5-2:18
        SubAccount: "expenses" j:2:5-2:13
        SubAccount: "food" j:2:14-2:18
      Amount j:2:20-2:20
        Quantity: 10
        Commodity: "$"
        CommodityPos: Before
        HasSpace: false
        Precision: 0
        Decimal: "."
    Posting j:6:1-7:1
      Account j:6:5-7:0
        SubAccount: "assets" j:6:5-6:11
        SubAccount: "checking" j:6:12-7:0
      Amount: <elided>
  Errors
    j:3:5-3:7: expected account name, got ATAT
    j:4:5-4:6: expected account name, got AT
    j:5:5-5:6: expected account name, got AT