#NEWLINE# @ staticmethod #NEWLINE# def named_item_diff( package_1 , package_2 , uri_tail ) : #NEWLINE# #INDENT# '\n        Return a diff between the text of the item identified by *uri_tail*\n        in *package_1* and that of its counterpart in *package_2*.\n        ' #NEWLINE# pkg_item_1 = package_1 . find_item_by_uri_tail ( uri_tail ) #NEWLINE# pkg_item_2 = package_2 . find_item_by_uri_tail ( uri_tail ) #NEWLINE# return DiffPresenter . _pkg_item_diff ( pkg_item_1 , pkg_item_2 )