One weakness of GEDCOM is that events cannot be shared among multiple people except for a few predefined family events such as marriage (MARR). The references list several proposals for other XML-based genealogical interchange formats. An example is the storage of East Asian names in their original CJK characters, without which they could be ambiguous and of little use for genealogical or historical research.)Īs of 2007, five years after the publication of the beta version of GEDCOM 6.0, no genealogical software supplier supports it, despite the inherent advantages of an extensible and portable language like XML and its multi-lingual Unicode support. (Uniform use of Unicode would allow for the usage of international character sets. ] GEDCOM 6.0 was to be the first version to store data in XML format, and was to change the preferred character set from ANSEL to Unicode. On Janua beta version of GEDCOM 6.0 was released for developers to study and begin to implement in their software. However, this has not been widely adopted, and the lineage-linked GEDCOM is still the de facto common denominator. A subsequent draft specification was issued in 1999, introducing nine new tags, including As mentioned above, there was also a version (at least a beta version) of " ", which included events as first class (zero-level) items. The current version of the specification is GEDCOM 5.5, which was released on 12 January, 1996. The family record ( FAM) links the husband ( HUSB), wife ( WIFE), and child ( CHIL) by their ID numbers.Ġ HEAD 1 SOUR Reunion 2 VERS V8.0 2 CORP Leister Productions 1 DEST Reunion 1 DATE 1 FILE test 1 GEDC 2 VERS 5.5 1 CHAR MACINTOSH 0 INDI 1 NAME Bob /Cox/ 1 SEX M 1 FAMS 1 CHAN 2 DATE 0 INDI 1 NAME Joann /Para/ 1 SEX F 1 FAMS 1 CHAN 2 DATE 0 INDI 1 NAME Bobby Jo /Cox/ 1 SEX M 1 FAMC 1 CHAN 2 DATE 0 FAM 1 HUSB 1 WIFE 1 MARR 1 CHIL 0 TRLR The individual records ( INDI) define Bob Cox(ID 1- Joann Para (ID 2), and Bobby Jo Cox (ID 3). The header ( HEAD) includes the source program and version ( Reunion, V8.0), the GEDCOM version ( 5.5), and the character encoding ( MACINTOSH). The first column indicates an indentation level. A that can be used to validate the structure of a GEDCOM file is included as part of PhpGedView project, though it is not meant to be a standalone validator. Although it is theoretically possible to write a GEDCOM file by hand, the format was designed to be used with software and thus is not especially human-friendly. All other level numbers are positive integers. All top-level records (HEAD, TRLR, SUBN, and each INDI, FAM, OBJE, NOTE, REPO, SOUR, and SUBM) begin with a line with level 0. Records represent people (INDI record), families (FAM records), sources of information (SOUR records), and other miscellaneous records, including notes.Įvery line of a GEDCOM file begins with a level number. GEDCOM files are somewhat similar to MARC, an interchange format for bibliographic data.Ī GEDCOM file consists of a header section, records, and a trailer section. Roots and Ultimate Family Tree are no longer available, so now very few people are using Event GEDCOM. Event GEDCOM was more flexibile as it allowed some separation between believed events and the participants. Although it is event based it is still a model built on assumed reality rather than evidence. In the GEDCOM lineage-linked data model, all data is structured to reflect the believed reality, that is, actual (or hypothesized) nuclear families and individuals.Ĭommsoft, the authors of the Roots series of genealogy software and Ultimate Family Tree, defined a version called. This contrasts with evidence models, where data is structured to reflect the discovered and supporting evidence. This data model is based on the nuclear family and the individual. Additionally, many tools exist to convert GEDCOM files to HTML pages. The evaluates how well conform to the GEDCOM 5.5 standard. However, some genealogy software programs incorporate the use of proprietary extensions to the GEDCOM format, which are not always recognized by other genealogy programs. Most genealogy software supports importing from and/or exporting to GEDCOM format. GEDCOM was developed by The Church of Jesus Christ of Latter-day Saints as an aid to genealogical research.Ī GEDCOM file is plain text (usually either ANSEL or ASCII) containing genealogical information about individuals, and meta data linking these records together. GEDCOM, an acronym for GEnealogical Data COMmunication, is a specification for exchanging genealogical data between different genealogy software.
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