What is XML?
{{Infobox file format | name = XML | icon = | logo = | screenshot = XML.svg | screenshot_size = 250px | extension = .xml | mime = <code>application/xml</code><ref>{{cite web |url=http://tools.ietf.org/html/rfc3023#section-3.2 |title=XML Media Types, RFC 3023 |pages=9–11 |publisher=Internet Engineering Task Force |date=January 2001|accessdate=2010-01-04}}</ref><br/><code>text/xml</code><ref>{{cite web |url=http://tools.ietf.org/html/rfc3023#section-3.1 |title=XML Media Types, RFC 3023 |pages=7–9 |publisher=Internet Engineering Task Force |date=January 2001 |accessdate=2010-01-04}}</ref> | type code = | uniform type = public.xml | conforms to = public.text | magic = | owner = [[World Wide Web Consortium]] | genre = [[Markup language]] | container for = | contained by = | extended from = [[Standard Generalized Markup Language|SGML]] | extended to = [[List of XML markup languages|Numerous]], including:<br/>[[XHTML]], [[RSS]], [[Atom (standard)|Atom]], [[KML]] | standard = [http://www.w3.org/TR/2008/REC-xml-20081126/ 1.0 (Fifth Edition)] {{release date and age|2008|11|26}}<br>[http://www.w3.org/TR/2006/REC-xml11-20060816/ 1.1 (Second Edition)] {{release date and age|2006|08|16}} | free = Yes }} The '''Extensible Markup Language''' (short XML) is a [[markup language]] like [[HTML]] but is [[extensible]].<ref>{{Cite web|date=2022-08-20|title=What is an XML-File? {{!}} Data Basecamp|url=https://databasecamp.de/en/data/xml-file|access-date=2022-09-25|language=en-US}}</ref> It's created by the [[World Wide Web Consortium]] (W3C). XML defines rules for the construction of a document. XML adds context to the information in a document. It does not say how this should be displayed. Some programs get information out of an XML-document. To do that, they need an [[API]].<ref>{{Cite web|date=2022-07-23|title=What is an API? Easily explained! {{!}} Data Basecamp|url=https://databasecamp.de/en/data/api-en|access-date=2022-08-11|language=en-US}}</ref> There are many APIs for XML. You can write a description of an XML document in a