= expr has_tag('SecondTag')
    Expenses:Cookies  $1
    $account         -$1

2004/05/27 Book Store
    ; This note applies to all postings. :SecondTag:
    Expenses:Books                 20 BOOK @  $10
    ; Metadata: Some Value
    ; Typed:: $100 + $200
    ; :ExampleTag:
    ; Here follows a note describing the posting.
    Liabilities:MasterCard        $-200.00

test bal Expenses:Cookies -> 0