Used within an xsl:merge instruction to define the processing to be carried out on each group of input items sharing a value for the merge key.
Permitted parent elements: xsl:merge
Element has no attributes
Notes on the Saxon implementation
In Saxon 9.6 the implementation of the current-merge-group() function does not match the latest W3C specification. Instead of returning a map, it returns a sequence containing all items in the current merge group, regardless which merge source they came from.
For details and examples, see xsl:merge