Allows a using package to override selected components from a used package.
Always appears as a child of
Permitted parent elements: xsl:use-package
Element has no attributes
Available in XSLT 3.0. From Saxon 9.8, available in all editions. Implemented in Saxon-EE since Saxon 9.7. Available for all platforms.
Notes on the Saxon implementation
New in XSLT 3.0, and first fully implemented in Saxon 9.7.