I've only got the same manual you've got. I'd say they just haven't gotten around to producing a newer version of the manual since 7.2.1. Perhaps nothing much has changed in 7.3 from the user's perspective?
Note: Any posts I make on this forum are my own personal opinion and (unless explicitly stated) do not constitute a formal commitment on behalf of HPE.
(Please state the version of CM you're using in all posts.
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