Lists all IPTC Record tags.
Values:
| IGMDTAG_ID_IPTC_ENVELOPE_RECORD | Envelope record. |
| IGMDTAG_ID_IPTC_APPLICATION_RECORD | Application record. |
| IGMDTAG_ID_IPTC_DIG_NEWS_PHOTO_PAR_RECORD | Digital Newsphoto Pararameter record. |
| IGMDTAG_ID_IPTC_PREOBJ_DESC_RECORD | Pre-object record. |
| IGMDTAG_ID_IPTC_OBJECT_RECORD | Object record. |
| IGMDTAG_ID_IPTC_POSTOBJ_DESC_RECORD | Post-object record. |