Assistance with REDO SYMBOL

[陶铂玉 via Unicode]

Unicode mail list:
I am seeking the REDO SYMBOL (assumed corresponding with UNDO SYMBOL) in the 
Miscellaneous Technical block but have not found it. The character seems having 
not been encode. I will write a proposal if so.


陶铂玉
t.b.y.taob...@foxmail.com