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get_deftty
  
  Name
get_deftty -- get default connection debug
  terminal specification [DV]
 
  
  Synopsis
  
get_deftty()
  
  
    
    Return Type
    
      
        - string or None
 
        - 
          
Default debug terminal specification
         
      
     
   
  
    
    Exceptions
    
      
        SyntaxError 
        - 
          
Too many arguments.
         
      
     
   
 
  
  Description
  get_deftty() returns the current
  default debug terminal specification, or None if the environment variables should be used.
  Environment variables will not be looked up.