use the FormBox's key as the part of its inside fields' keys. now we can...

use the FormBox's key as the part of its inside fields' keys. now we can include FormBox inside ListBox.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31835 20353a03-c40f-0410-a6d1-a30d3c3de9de