If your using any programming that involves other languages, Unicode is the future. If you don't learn it, or of it, you could make a mistake such as:... thinking that each character, is one byte, which is isn't
. By assumming each character is one byte, rather than using a unicode character library you make that code non-portable. Unicode characters can be upto 6 bytes (IIRC).
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Want more info? How to link or
or How to display code and escape characters
are good places to start.