anchor.diff:  
   send_community_bgp_tail
   :
  - (
  -    SEND_COMMUNITY EXTENDED? BOTH?
  -  | SEND_COMMUNITY_EBGP
  -  | SEND_EXTENDED_COMMUNITY_EBGP
  - ) NEWLINE
  +   (
  +      SEND_COMMUNITY EXTENDED? BOTH?
  +      | SEND_COMMUNITY_EBGP
  +      | SEND_EXTENDED_COMMUNITY_EBGP
  +   ) NEWLINE
   ;
   
   shutdown_bgp_tail
  
positive.code:       (
           BGP
           (
  	      ATTRIBUTE_DOWNLOAD
              | BESTPATH
              | DAMPENING
              | DEFAULT
  
negative.code: 
  remove_private_as_bgp_tail
  :
     (
        REMOVE_PRIVATE_AS
        | REMOVE_PRIVATE_CAP_A_CAP_S
     ) NEWLINE
  ;
  
  route_map_bgp_tail
  