When viewing a diff between revisions of a wiki page, the content of all affected slots should be show, and as should a diff for each slot.
See https://www.mediawiki.org/wiki/Multi-Content_Revisions/Views for notes.
When viewing a diff between revisions of a wiki page, the content of all affected slots should be show, and as should a diff for each slot.
See https://www.mediawiki.org/wiki/Multi-Content_Revisions/Views for notes.