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            Lines 219-224
          This method allows updating a debit or credit on a patron's account
      
      
        Link Here
      
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          $update_type can be any of:  | 
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          $update_type can be any of:  | 
        
        
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            - fine_increment  | 
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            - fine_increment  | 
        
        
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              Authors Note: The intention here is that this method is only used  | 
            
            
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              to adjust accountlines where the final amount is not yet known/fixed.  | 
            
            
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              Incrementing fines are the only existing case at the time of writing,  | 
            
            
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              all other forms of 'adjustment' should be recorded as distinct credits  | 
            
            
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              or debits and applied, via an offset, to the corresponding debit or credit.  | 
            
            
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          =cut  | 
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          =cut  | 
        
        
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          sub adjust { | 
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          sub adjust { | 
        
            
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              -   | 
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