HIST_FIELD_FL_KEY
if (*flags & (HIST_FIELD_FL_VAR | HIST_FIELD_FL_KEY))
if (*flags & (HIST_FIELD_FL_VAR | HIST_FIELD_FL_KEY))
flags |= HIST_FIELD_FL_KEY;
if (hist_field->flags & HIST_FIELD_FL_KEY) {
if (flags & HIST_FIELD_FL_KEY)
HIST_FIELD_FL_KEY);