When preview_whole_page is true, auto-refresh of side-by-side edit mode results in preview of the section only
  
  
  
    
    
    
      
Example:
Initially:
 
After an auto-refresh:
 
Using Preview Page button does result in the expected behavior.
     
   
 
          
    
        
          
          Change History (4)
          
              
                
  
  
    
      
    
    
      
        | Description: | modified (diff) | 
        | Keywords: | auto-preview added | 
        | Summary: | The entire page is shown initially in side-by-side edit mode →
            When preview_whole_page is true, auto-refresh of side-by-side edit mode results in preview of the section only | 
    
   
    
               
              
              
              
                
  
  
    
      
    
    
      
        | Owner: | Catalin BALAN deleted | 
    
   
               
           
         
      
      
     
    
I'm setting this to low priority because I think most users will want to preview the section only.