為什麼我們需要 BOM (Byte Order Mark)

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Description

Byte Order Mark (BOM) 由字符代碼U+FEFF組成。通常放在文本文件開端,在那裡可以用作確定文件的編碼形式。使用BOM通常是必要的為確保文件可以在不同的操作系統來打開。

有關更多信息可以在這裡找到http://www.unicode.org/faq/utf_bom.html#bom1

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