anchor.diff:  
   apply_rp_stanza
   :
  -  APPLY name=variable NEWLINE
  +   APPLY name = variable NEWLINE
   ;
   
   boolean_and_rp_stanza
  
positive.code: 
  if_rp_stanza
  :
    IF boolean_rp_stanza THEN NEWLINE rp_stanza*
    elseif_rp_stanza*
    else_rp_stanza?
    (ENDIF | EXIT) NEWLINE
  ;
  
  ip_policy_list_stanza
  
negative.code: delete_rp_stanza
  :
     DELETE COMMUNITY
     (
        ALL
        | NOT? IN rp_community_set
     ) NEWLINE
  ;
  
  disposition_rp_stanza
  :
     (
        DONE
        | DROP
        | PASS
     ) NEWLINE
  ;
  
  elseif_rp_stanza
  :
     ELSEIF boolean_rp_stanza THEN NEWLINE rp_stanza*
  ;
  
  else_rp_stanza
  