Unicode Block "Miscellaneous Symbols and Arrows" support about spleen HOT 6 CLOSED

I have plans to add a large part of the Arrows Unicode block. From there, I suppose it wouldn't be too difficult to add at least the arrows from the Miscellaneous Symbols and Arrows Unicode block, where the two characters you pointed out are located.

On a more general note, I don't consider Spleen done yet and plan to keep on adding more characters.

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@kucharskim It's been a while, but I would appreciate if you could point out which programs use those characters so I can test the results.

Maybe adding the most used arrows would not be that much work, I will be working on that.

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@fcambus I saw it initially with https://github.com/near/nearcore/ but in general the new blockchain industry is full of emoji and utf-8 in the application logs. I saw non-ASCII characters in substrate chains (https://github.com/paritytech/polkadot), I don't remember does https://github.com/ethereum/go-ethereum also have some non-standard (as in, non-ASCII) characters. This task specifically was triggered by nearcore.

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@kucharskim Thanks for the info, I started working on adding some arrows already, will commit more stuff during the following weeks.

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