How to remove all text from an XML document

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别那么骄傲 2021-01-24 23:03

How can one remove all text, but leave the structure intact?

for example:

cat


      
      
        
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                   醉酒成梦
                                             
                
                
                (楼主)
            
              
              
                2021-01-24 23:21
              

            
            
                        


  

  
  
    
      
    
  

  
  
    
  

  
  



    
             
                                                        
            
            
              
                
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