2012-01-01=2012-01-02 * Buy AAA
    A         1 AAA @ 1.00 EUR
    B                -1.00 EUR

2012-02-01 * Buy AAA
    A         1 AAA @ 2.00 EUR
    B                -2.00 EUR

test reg --format "%S: %D %P %t %T\n"
$FILE: 2012/01/01 Buy AAA 1 AAA 1 AAA
$FILE: 2012/01/01 Buy AAA -1.00 EUR 1 AAA
-1.00 EUR
$FILE: 2012/02/01 Buy AAA 1 AAA 2 AAA
-1.00 EUR
$FILE: 2012/02/01 Buy AAA -2.00 EUR 2 AAA
-3.00 EUR
end test