IPTC_ID           455 coders/meta.c                  if (recnum != IPTC_ID)
IPTC_ID           751 coders/meta.c                  if (recnum != IPTC_ID)
IPTC_ID          1621 coders/meta.c      if (marker == IPTC_ID)
IPTC_ID          2208 coders/meta.c          if (ID == IPTC_ID)