INSERT INTO systempreferences (variable,value,explanation,options,type)VALUES('LibraryThingForLibrariesEnabled','0','Enable or Disable Library Thing for Libraries Features','','YesNo');
INSERT INTO systempreferences (variable,value,explanation,options,type)VALUES('LibraryThingForLibrariesTabbedView','0','Put LibraryThingForLibraries Content in Tabs.','','YesNo');
INSERT INTO `systempreferences` ( `variable` , `value` , `options` , `explanation` , `type` ) VALUES ( 'AllowNotForLoanOverride', '0', '', 'If ON, Koha will allow the librarian to loan a not for loan item.', 'YesNo');
+INSERT INTO systempreferences (variable,value,explanation,options,type) VALUES('RenewalPeriodBase', 'date_due', 'Permet de déterminer si la période de renouvellement doit être calculée sur la date de retour ou sur le jour du renouvellement','date_due|now','Choice');