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Format

XML Schema Definition

Download XML

Summary

Name
XML Schema Definition
Identifiers
  • MIME: application/xml
  • PUID: x-fmt/280
Format type
Text (Mark-up)
Description
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/
File extensions
xsd
Source
Digital Preservation Department / The National Archives

Relationships

Has priority over

Internal signatures

XML Schema Definition

Note
ASCII header: <?xml version="1.0". ASCII footer: </xsd:schema> or </xs:schema> or </schema>. Signature will only identify against xsd files which do not have any comments inserted either before the xml declaration, or at the very end of the file.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
3
Byte Sequence
3C3F786D6C2076657273696F6E3D(22|27)312E30(22|27)
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
2
Byte Sequence
3C(2F7873643A|2F78733A|2F)736368656D613E
Endianness
None

Changelog

  • Updated in V97

    Release date
    1 October 2020

    XML Schema Definition: Gave priority over fmt/1376 XDOMEA 1.0.

  • Updated in V91

    Release date
    25 July 2017

    XML Schema Definition: Gave priority over fmt/1047 - Geography Markup Language 3.2.

  • Added in V55

    Release date
    4 January 2012

    XML Schema Definition: Format description information added.

    XML Schema Definition: Signature developed through PRONOM Research.