{
 "id": "xml-schema-definition",
 "name": "XML Schema Definition",
 "category": "markup",
 "identifiers": {
  "extensions": [
   "xsd"
  ],
  "mime": [
   "application/xml",
   "text/xml"
  ],
  "puid": [
   "x-fmt/280"
  ],
  "wikidata": [
   "Q16342"
  ],
  "loc_fdd": [
   "fdd000077"
  ],
  "signatures": [
   {
    "name": "XML Schema Definition",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "max_offset": 3,
      "pattern": "3c3f786d6c2076657273696f6e3d(22|27)312e30(22|27)"
     },
     {
      "position": "eof",
      "offset": 0,
      "max_offset": 2,
      "pattern": "3c(2f7873643a|2f78733a|2f)736368656d613e"
     }
    ]
   }
  ],
  "priority_over": [
   "x-fmt/227",
   "fmt/101",
   "fmt/1047",
   "fmt/1374"
  ]
 },
 "status": "unknown",
 "summary": "XML Schemas Definition files define the structure, and content of XML documents. They are used to express a set of rules to which an XML document must conform in order to be considered 'valid' in accordance to the particular schema referenced. Full specifications can be found at http://www.w3.org/TR/xmlschema-0/",
 "tools": [
  {
   "name": "Adobe ExtendScript Toolkit",
   "url": "https://www.wikidata.org/wiki/Q111430820",
   "reads": true,
   "writes": false
  },
  {
   "name": "Dreamweaver MX 2004",
   "url": "https://www.wikidata.org/wiki/Q118869808",
   "reads": true,
   "writes": true
  },
  {
   "name": "Liquid XML Studio",
   "url": "http://www.liquid-technologies.com/",
   "reads": true,
   "writes": false
  },
  {
   "name": "Microsoft Visual Studio 2005 Team Suite",
   "url": "https://www.wikidata.org/wiki/Q118586938",
   "reads": false,
   "writes": true
  }
 ],
 "projects": [
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/XML_Schema_Definition",
   "kind": "wiki"
  },
  {
   "name": "PRONOM x-fmt/280",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/x-fmt/280",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q16342",
   "url": "https://www.wikidata.org/wiki/Q16342",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "ffw",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}