-- input --

2013/1/1 * pay taxes
    expenses:personal:tax              $1250
    assets:bank:checking               $-1250

-- expect --
Journal
  BlankLine j:2:0-2:1
  Transaction j:2:1-6:0
    Date: 2013/01/01
    State: "*"
    Payee: "pay taxes" j:2:12-3:0
    Posting j:3:1-4:1
      Account j:3:5-3:26
        SubAccount: "expenses" j:3:5-3:13
        SubAccount: "personal" j:3:14-3:22
        SubAccount: "tax" j:3:23-3:26
      Amount j:3:40-3:40
        Quantity: 1250
        Commodity: "$"
        CommodityPos: Before
        HasSpace: false
        Precision: 0
        Decimal: "."
    Posting j:4:1-6:0
      Account j:4:5-4:25
        SubAccount: "assets" j:4:5-4:11
        SubAccount: "bank" j:4:12-4:16
        SubAccount: "checking" j:4:17-4:25
      Amount j:4:40-4:40
        Quantity: -1250
        Commodity: "$"
        CommodityPos: Before
        HasSpace: false
        Precision: 0
        Decimal: "."
  BlankLine j:6:0-6:1