UX Glossary

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X-Height XML (Extensible Markup Language) XSL (Extensible Stylesheet Language)
X-Height XML (Extensible Markup Language) XSL (Extensible Stylesheet Language)

XSL (Extensible Stylesheet Language)

A language that describes the formatting and presentation of XML content.

https://usabilitest.com/glossary/xsl-extensible-stylesheet-language