diff --git a/django/contrib/comments/templatetags/comments.py b/django/contrib/comments/templatetags/comments.py
index 959cec4..11c81a7 100644
      
        
          
        
        
          
            | 
              a
             | 
            
              b
             | 
            
               class DoCommentForm:
               
             | 
          
        
        
          
            | 206 | 206 |                     kwargs[option] = True | 
          
          
            | 207 | 207 |                     kwargs['rating_options'] = args | 
          
          
            | 208 | 208 |                 elif option in ('is_public'): | 
          
        
        
          
            | 209 |   |                     kwargs[option] = (args == 'true') | 
          
          
            |   | 209 |                     kwargs[option] = (args == 'true' or args == 'yes') | 
          
        
        
          
            | 210 | 210 |                 else: | 
          
          
            | 211 | 211 |                     raise template.TemplateSyntaxError, "%r tag got invalid parameter '%s'" % (tokens[0], option) | 
          
          
            | 212 | 212 |         return CommentFormNode(content_type, obj_id_lookup_var, obj_id, self.free, **kwargs) |