Unicode
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Unicode is an information technology (IT) standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. Within Unicode encoding, there are subsets called emoji to represent pictorial expression in characters. While Unicode is an important piece of work, it has some kind of messy structure. That's why we have puny code.
formal Unicode chart (in PDF)
, font for all existing Unicode
: calculate length of string and byte in a Unicode text
: make a puny code and beware of