Add an optional parameter to push and pop methods. This allow generation of the right selection name when a listbox in a report mode is to be rendered with a prefix. As the renderer is not instanciated yet, it's not possible to just use it to retrieve the prefix.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@22002 20353a03-c40f-0410-a6d1-a30d3c3de9de