IPTC_ID           449 coders/meta.c                  if (recnum != IPTC_ID)
IPTC_ID           725 coders/meta.c                  if (recnum != IPTC_ID)
IPTC_ID          1644 coders/meta.c      if (marker == IPTC_ID)
IPTC_ID          2225 coders/meta.c          if (ID == IPTC_ID)