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NO. PLEASE DON'T. This wreaks havoc especially on East Asian users because Unicode is poorly supported in console on top of being binary non-canonical in both entry and display.

Meaning,

  - :potato: OR :potatoh: may display as :eggplant: OR :potato:    
  - isEqual(`:eggplant:`, `:eggplant:`) may fail OR succeed   
  - trying to type :sequence: breaks console until reboot  
  - typing :potato: may work but not :eggplant:  
  - users don't know how to spell :eggplant:  
  - etc. 

If you must, please fix Unicode first so that user entry and display would have 1:1 relationship. I do have Han Unification in mind, but I believe the problem isn't unique to the unification or East Asia.