Gedcom documentation links

• The gedcom 7 specification:

  • https://gedcom.io/specifications/FamilySearchGEDCOMv7.pdf

• The gedcom 5.5.1 specification:

  • https://gedcom.io/specifications/ged551.pdf

• A list of common and uncommon gedcom tags and their description:

  • https://wiki.genealogy.net/GEDCOM/_Nutzerdef-Tag