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Lossless GEDCOM Export

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This is a work in progress.

Exploring which custom tags are necessary to create a lossless GEDCOM export from Gramps.

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GEDCOM

Gramps has many information fields that don't have a standard GEDCOM tag associated with them. The GEDCOM specification allows anyone to create new tags for this type of information. These custom tags begin with an underscore to indicate that they are not part of the standard core tag set. This page explores what custom tags need to be created by Gramps to support Lossless GEDCOM exports.

Person

Add:

 +1 <<EVENT_LINK>>                             {0:M}
 +1 _PRIV Y                                    {0:1}
 PERSONAL_NAME_PIECES:=
 n NPFX <NAME_PIECE_PREFIX>                    {0:1}
 n GIVN <NAME_PIECE_GIVEN>                     {0:1}
 n NICK <NAME_PIECE_NICKNAME>                  {0:1}
 n SPFX <NAME_PIECE_SURNAME_PREFIX>            {0:1}
 n SURN <NAME_PIECE_SURNAME>                   {0:M} *
   +1 _TYPE <NAME_PIECE_ORIGIN_TYPE>           {0:1} *
   +1 _SPFX <NAME_PIECE_SURNAME_PREFIX>        {0:1} *
   +1 _SSFX <NAME_PIECE_SURNAME_SUFFIX>        {0:1} *
   +1 _SCON <NAME_PIECE_SURNAME_CONNECTOR>     {0:1} *
 n NSFX <NAME_PIECE_SUFFIX>                    {0:1}
 n _RUFNAME                                    {0:1} *
 n _FAMNICK                                    {0:1} *
 n _GROUP_AS                                   {0:1} *
 n _SORT_AS                                    {0:1} *
 n _DISPLAY_AS                                 {0:1} *
 n _DATE                                       {0:1} *
 n _PRIV Y                                     {0:1} *
 n <<NOTE_STRUCTURE>>                          {0:M}
 n <<SOURCE_CITATION>>                         {0:M}
 CHILD_TO_FAMILY_LINK:=
 n FAMC <XREF:FAM>                             {1:1}
   +1 PEDI <PEDIGREE_LINKAGE_TYPE>             {0:1}
   +1 <<NOTE_STRUCTURE>>                       {0:M}
   +1 _FREL                                    {0:1} *
   +1 _MREL                                    {0:1} *
   +1 _PRIV Y                                  {0:1} *
   +1 <<SOURCE_CITATION>>                      {0:M} *

Event

 ATTRIBUTE_STRUCTURE:=
 n _ATTR <ATTRIBUTE_VALUE>                     {1:1}
   +1 TYPE <ATTRIBUTE_VALUE>                   {0:1}
   +1 <<NOTE_STRUCTURE>>                       {0:M}
   +1 <<SOURCE_CITATION>>                      {0:M}
   +1 _PRIV Y                                  {0:1}
 EVENT_RECORD:=
 n <XREF:_EVNT> _EVNT                          {1:1}
   +1 <<EVENT_DETAIL>>                         {0:1}
   +1 <<ATTRIBUTE_STRUCTURE>>                  {0:M}
   +1 <<CHANGE_DATE>>                          {0:1}
   +1 _PRIV Y                                  {0:1}
 EVENT_LINK:=
 n _EVNT <XREF:_EVNT>                          {1:1}
   +1 ROLE <ROLE_IN_EVENT>                     {1:1}
   +1 <<ATTRIBUTE_STRUCTURE>>                  {0:M}
   +1 <<NOTE_STRUCTURE>>                       {0:M}
   +1 _PRIV Y                                  {0:1}

Family

Add:

 +1 <<EVENT_LINK>>                             {0:M}
 +1 <<ATTRIBUTE_STRUCTURE>>                    {0:M}
 +1 _PRIV Y                                    {0:1}

Place

Use the _LOC structure defined in the GEDCOM-L specification.

Media

 MULTIMEDIA_RECORD:=
 n <XREF:OBJE> OBJE                            {1:1}
   +1 FILE <MULTIMEDIA_FILE_REFERENCE>         {1:1}
     +2 FORM <MULTIMEDIA_FORMAT>               {1:1}
       +3 TYPE <SOURCE_MEDIA_TYPE>             {0:1}
     +2 TITL <DESCRIPTIVE_TITLE>               {0:1}
   +1 REFN <USER_REFERENCE_NUMBER>             {0:M}
     +2 TYPE <USER_REFERENCE_TYPE>             {0:1}
   +1 RIN <AUTOMATED_RECORD_ID>                {0:1}
   +1 <<NOTE_STRUCTURE>>                       {0:M}
   +1 <<SOURCE_CITATION>>                      {0:M}
   +1 <<CHANGE_DATE>>                          {0:1}
   +1 <<ATTRIBUTE_STRUCTURE>>                  {0:M} *
   +1 _PRIV Y                                  {0:1} *
 MULTIMEDIA_LINK:=
 n OBJE <XREF:OBJE>                            {1:1}
   +1 _RECT x1 y1 x2 y2                        {0:1} *
   +1 <<ATTRIBUTE_STRUCTURE>>                  {0:M} *
   +1 <<NOTE_STRUCTURE>>                       {0:M} *
   +1 <<SOURCE_CITATION>>                      {0:M} *
   +1 _PRIV Y                                  {0:1} *

Note

 NOTE_RECORD:=
 n <XREF:NOTE> NOTE <USER_TEXT>                {1:1}
   +1 REFN <USER_REFERENCE_NUMBER>             {0:M}
     +2 TYPE <USER_REFERENCE_TYPE>             {0:1}
   +1 RIN <AUTOMATED_RECORD_ID>                {0:1}
   +1 <<SOURCE_CITATION>>                      {0:M}
   +1 <<CHANGE_DATE>>                          {0:1}
   +1 _TYPE <NOTE_TYPE>                        {0:1} *
   +1 _STYLE <STYLE_TYPE>                      {0:M} *
     +2 _VALUE <STYLE_VALUE>                   {0:1} *
     +2 _RANGE <STYLE_RANGE>                   {1:1} *
   +1 _PREFORMAT Y                             {0:1} *
   +1 _PRIV Y                                  {0:1} *

See also