I propose that we should add local functions to XSLT: specifically, allowing an xsl:function declaration to appear within a sequence constructor, declaring a named function that is available for use ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

In XSLT 3.0, you can have a module M that contains an xsl:function F#2, and in another module you can import M, and declare another xsl:function F#3. In the 4.0 spec we appear to disallow this with ...