When we talk about unicode in Nim code, someone usually complain that they
don't have a keyboard to type unicode. So I introduce a nice Vim command to
type unicode characters.
:abbreviate king ♔
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Then, when you type 'king' and an non-alphabet character, it automatically
replaced with '♔'.
Examples:
abbreviate noteq ≠
abbreviate cong ≡
abbreviate notcong ≢
abbreviate sigma Σ
abbreviate sqroot √
abbreviate curoot ∛
abbreviate blspade ♠
abbreviate whspade ♤
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