The populate-default-collection option is used to control whether all the documents appearing on source port form the default collection for the XSLT transformation.
But then in the very next section it says:
If no value is supplied for template-name option an “Apply-template invocation” is performed. The documents that appear on source are taken to be the initial match selection. The default collection is undefined. [my emph]
I think the last sentence is wrong. It should say "The default collection depends on the setting for option "populate-default-collection".
In the section on invoking a xslt 3.0 stylesheet it says:
But then in the very next section it says:
I think the last sentence is wrong. It should say "The default collection depends on the setting for option "populate-default-collection".