{
 "id": "geography-markup-language",
 "name": "Geography Markup Language",
 "category": "gis",
 "identifiers": {
  "extensions": [
   "gml"
  ],
  "mime": [
   "application/gml+xml"
  ],
  "puid": [
   "x-fmt/227"
  ],
  "wikidata": [
   "Q926165"
  ],
  "loc_fdd": [
   "fdd000296"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "3c3f786d6c2076657273696f6e3d",
    "notes": "Geography Markup Language"
   }
  ],
  "signatures": [
   {
    "name": "Geography Markup Language",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "3c3f786d6c2076657273696f6e3d(22|27)312e30(22|27){0-320}786d6c6e733a676d6c3d(22|27)687474703a2f2f7777772e6f70656e6769732e6e65742f676d6c"
     }
    ]
   }
  ],
  "priority_over": [
   "fmt/101"
  ]
 },
 "status": "readable",
 "summary": "The Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. GML serves as a modeling language for geographic systems as well as an open interchange format for geographic transactions on the Internet. Full specifications can be found at http://www.opengeospatial.org/standards/gml",
 "tools": [
  {
   "name": "GDAL",
   "url": "https://gdal.org",
   "reads": true,
   "writes": false,
   "license": "MIT License",
   "open_source": true
  }
 ],
 "projects": [
  {
   "name": "PRONOM x-fmt/227",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/x-fmt/227",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q926165",
   "url": "https://www.wikidata.org/wiki/Q926165",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [
  "GML"
 ],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}