PCMK__XA_ST_DIFFERENTIAL  546 daemons/fenced/fenced_history.c                 || !pcmk__xe_attr_is_true(history, PCMK__XA_ST_DIFFERENTIAL)) {
PCMK__XA_ST_DIFFERENTIAL  558 daemons/fenced/fenced_history.c                                            PCMK__XA_ST_DIFFERENTIAL, true);