First of all apologies for not posting your message sooner. For some reason I was not notified about this message, and only found it when I visited the Google Groups web site.
U+51B7 冷 ⿰冫令
and then the right part of this becomes
U+4EE4 令 ⿱亽龴[G] ⿱亼龴[TV] ⿱亼⿱𠃌丨[JK]
where G is mainland China, T is Taiwan, V is Vietnam, and JK is Japan and Korea.
The Han Unification of the original Unicode is something of a problem for my web site qhanzi.com
, which deals with all of the original Unicode han characters. There are many other such examples.