2012-03-19 2025-02-11 20250618-0 XML XML 2012-09-01 https://www.iana.org/assignments/media-types/text/xml 2012-11-27 2012-09-27 xml .xml application/xml application/xml 50 Extensible Markup Language XML – Extensible Markup Language – is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. The design goals of XML emphasize simplicity, generality and usability across the Internet. XML XML false XML 2012-09-01 XML true true true