How to make an element in XML schema optional?

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眼角桃花 2020-12-12 21:51
So I got this XML schema:

      
      
        
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                   醉话见心
                                             
                
                
                (楼主)
            
              
              
                2020-12-12 22:17
              

            
            
                        
Set the minOccurs attribute to 0 in the schema like so:


  
    
        
            
                
                    
                        
                            
                        
                    
                
            
        
     

    
             
                                                        
            
            
              
                
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