IPTC_ID           456 coders/meta.c                  if (recnum != IPTC_ID)
IPTC_ID           752 coders/meta.c                  if (recnum != IPTC_ID)
IPTC_ID          1622 coders/meta.c      if (marker == IPTC_ID)
IPTC_ID          2209 coders/meta.c          if (ID == IPTC_ID)