The LEFTLINE clause causes the leftmost character of the screen item to have a vertical line on its left-hand side when the
                  item appears on the screen. The line is within the character-position. 
            
            
               General Format
               
                
               
             
            
            
               Syntax Rules
               
               
               
                  
                  - The LEFTLINE clause can be used with any screen item. 
- If the LEFTLINE clause is specified at group level, it applies to all suitable subordinate elementary items. 
- If this clause is used on a system that does not support characters with vertical left-hand lines it has no effect. 
 
            
            
               General Rules
               
               
               
                  
                  - The LEFTLINE clause causes the leftmost character of the screen item to have a vertical line on its left-hand side when the
                     item appears on the screen. The line is within the character-position.