-* `pagenames`: adds a space-separated list of pages to the trail,
- with the same [[ikiwiki/SubPage/LinkingRules]] as for a [[ikiwiki/WikiLink]]
- (cannot be used with `pages`)
+* `pagenames`: if used instead of `pages`, this is interpreted as a
+ space-separated list of absolute page names
+ ([[SubPage/LinkingRules]] are not taken into account)
+ to add to the trail