anchor.diff:                                ,{doc_id,DocId}
                                 ,{field_name, FieldName}
                                 ,{options,Options}
  -                              ,{prefix,RawPrefix}
  -                              ,{postfix,RawPostfix}
  +                              ,{prefix,Prefix}
  +                              ,{postfix,Postfix}
                                 ,{account_id,z_context:get_session('kazoo_account_id', Context)}
                                 ]
              },<<>>,<<>>}, Context);
  
positive.code:                           ,{doc_id,DocId}
                            ,{field_name, FieldName}
                            ,{options,Options}
                            ,{prefix,RawPrefix}
                            ,{postfix,RawPostfix}
                            ,{account_id,'undefined'}
                            ]
         },_,_}, Context)
  
negative.code:                               ,{doc_id,DocId}
                                ,{field_name, FieldName}
                                ,{options,Options}
                                ,{prefix,Prefix}
                                ,{postfix,Postfix}
                                ,{account_id,z_context:get_session('kazoo_account_id', Context)}
                                ]
             },<<>>,<<>>}, Context);
  