Appendix talk:Unicode/CJK Unified Ideographs Extension B/20000

Why no Wiktionary entries?
Why are there no (not even rudimentary) en:Wiktionary entries for most of these? Are these Vietnamese characters or Chinese? 71.66.97.228 01:50, 12 October 2011 (UTC)
 * Most of them are rare characters which is why they haven't been added yet. -- Liliana • 16:38, 12 March 2013 (UTC)