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We have a practice of providing a "bread crumb" trail between the minor versions where the migration section actually tells you to do something. Historically that was just plain text, eg, "see the release notes for 9.2.4"; but if you're using a browser or PDF reader, it's a lot nicer if it's a live hyperlink. So use "<xref>" instead. Any argument against doing this vanished with the recent decommissioning of plain-text release notes. Vik Fearing