SYNOPSIS
        mixed get_extra_wizinfo(object   wiz)
        mixed get_extra_wizinfo(lwobject wiz)
        mixed get_extra_wizinfo(string   wiz)
        mixed get_extra_wizinfo(int      wiz)

DESCRIPTION
        Returns the 'extra' information that was set for the given
        wizard <wiz> in the wizlist.

        If <wiz> is a regular or lightweight object, the entry of its
        creator (uid) is used.
        If <wiz> is a string (a creator aka uid), it names the entry
        to use.
        If <wiz> is the number 0, the data is get from the default wizlist
        entry.

        The function causes a privilege violation.

SEE ALSO
        wizlist_info(E), set_extra_wizinfo(E)