Saxon » SaxonJS

This test case outputs a message, which is a sequence of

(a) a variable reference (whose value is a document node)

(b) a call on xsl:document to construct another document node

The final message contains the result of (a) but not of (b).

The problem seems to be in ComplexContentOutputter.append(), which sends the first document node direct to the next Receiver without unwrapping it. The result is that an end document event finds its way to the DOM builder, which it's expecting to be the last event that happens.