问HN：你在Unicode方面遇到了什么困扰？
我一直在处理文本，但我今年才开始深入了解Unicode。<p>HN上的朋友们对Unicode和UTF-{8,16,32}有什么看法？有没有哪些部分是你一直没有真正理解的？你是否因为对文本属性的误解而遇到过意想不到的bug？
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I've always worked with text, but I only started digging deep into understanding Unicode this year.<p>What do HN people have to say about Unicode and UTF-{8,16,32}? Are there parts you've never really understood? Have you had unexpected bugs due to misunderstood properties of text?