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Can emacs re-indent a big blob of HTML for me?

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生来不讨喜 2021-01-29 20:09

When editing HTML in emacs, is there a way to automatically pretty-format a blob of markup, changing something like this:

  

  

         


        
      
      
      

        

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                 栀梦 
              
              
    
                
                   栀梦
                                             
                
                
                (楼主)
            
              
                  
    
                2021-01-29 20:56
              
    

            
    
            
    
              
              

    This question is quite old, but I wasn't really happy with the various answers. A simple way to re-indent an HTML file, given that you are running a relatively newer version of emacs (I am running 24.4.1) is to:
    


      

    • open the file in emacs
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    • mark the entire file with C-x h (note: if you would like to see what is being marked, add (setq transient-mark-mode t) to your .emacs file)
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    • execute M-x indent-region
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    What's nice about this method is that it does not require any plugins (Conway's suggestion), it does not require a replace regexp (nevcx's suggestion), nor does it require switching modes (jfm3's suggestion). Jay's suggestion is in the right direction — in general, executing C-M-q will indent according to a mode's rules — for example, C-M-q works, in my experience, in js-mode and in several other modes. But neither html-mode nor nxml-mode do not seem to implement C-M-q. 
    
    
    
             
    
                                                        
    
            
    
            
    
              
                
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