2012-03-16 KFC
    Expenses:Food                               $-20
    Assets:Cash

2012-03-16 KFC
    Expenses:Food                              $- 20
    Assets:Cash

2012-03-16 KFC
    Expenses:Food                               -$20
    Assets:Cash

2012-03-16 KFC
    Expenses:Food                              - $20
    Assets:Cash

test reg -> 1
__ERROR__
While parsing file "$FILE", line 6:
While parsing posting:
  Expenses:Food                              $- 20
                                             ^^^^^
Error: No quantity specified for amount
end test