| Lines 499-504
          INSERT INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `
      
      
        Link Here | 
        
          | 499 | ('PatronDuplicateMatchingAddFields','surname|firstname|dateofbirth', NULL,'A list of fields separated by "|" to deduplicate patrons when created','Free'), | 499 | ('PatronDuplicateMatchingAddFields','surname|firstname|dateofbirth', NULL,'A list of fields separated by "|" to deduplicate patrons when created','Free'), | 
        
          | 500 | ('patronimages','0',NULL,'Enable patron images for the staff interface','YesNo'), | 500 | ('patronimages','0',NULL,'Enable patron images for the staff interface','YesNo'), | 
        
          | 501 | ('PatronRemovalDelay','',NULL,'Delay for removing anonymized patrons', 'Integer'), | 501 | ('PatronRemovalDelay','',NULL,'Delay for removing anonymized patrons', 'Integer'), | 
            
              |  |  | 502 | ('PatronSelfModificationMandatoryField','',NULL,'Name the fields you don\'t want to be required when a patron is editing their information via the OPAC.','free'), | 
        
          | 502 | ('PatronSelfModificationBorrowerUnwantedField','',NULL,'Name the fields you don\'t want to display when a patron is editing their information via the OPAC.','free'), | 503 | ('PatronSelfModificationBorrowerUnwantedField','',NULL,'Name the fields you don\'t want to display when a patron is editing their information via the OPAC.','free'), | 
        
          | 503 | ('PatronSelfRegistration','0',NULL,'If enabled, patrons will be able to register themselves via the OPAC.','YesNo'), | 504 | ('PatronSelfRegistration','0',NULL,'If enabled, patrons will be able to register themselves via the OPAC.','YesNo'), | 
        
          | 504 | ('PatronSelfRegistrationAdditionalInstructions','','','A free text field to display additional instructions to newly self registered patrons.','free'), | 505 | ('PatronSelfRegistrationAdditionalInstructions','','','A free text field to display additional instructions to newly self registered patrons.','free'), |