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Changes between Version 1 and Version 2 of Ticket #20564, comment 53

-                      v1
+                      v2
 > I took a stab at the `_revision_meta` approach in [attachment:20564.6.diff] which should keep the meta table clean and small for revisions. If this works out we can do the same for revisioned terms (#23893).
 Yeah, this works for post formats, not so sure for all meta (only need to add restoring of the post format from 20564-6.patch, perhaps to the same array). Still having empty keys in the serialized array seems wasteful :)
+Yeah, this works for post formats, not so sure for all meta (only need to add restoring of the post format from 20564-6.patch, perhaps to the same array). Still, having empty keys in the serialized array seems wasteful :)
 As long as we know the post supports formats, we can recreate the empty keys programmatically, no need to store them in the DB. Example:
 …
         ...
   ),
   get_post_meta( $preview->ID, '_revision_meta', true )
+  get_post_meta( $revision->ID, '_revision_meta', true )
 );
 }}}