In every XML tag name, the function replaces any underscore character (_) with a dash character (-).
对于每个xml标记名，该函数将其中的下划线(_)该为连字符(-)。
Because the replacement text for - is a character reference, it's exactly the same as typing an en dash character.
由于—的替代文本是一个字符引用，因此它等同于输入一个短横线字符。
If a section has a dash or special character in it, the word is probably too long.
如果某部分中有一个破折号或者一个特殊的字符，那这个词就有可能太长。
You can indicate a class by surrounding it in square braces; within the braces, you can have both a set of characters and character ranges indicated with a dash.
可以通过将类括在方括号内来表明这是一个类；在括号中，可以有一组字符或者用破折号指定的字符范围。
Range: Use a dash to specify a character class for an inclusive range.
范围（Range）：使用短线（dash）来指定包括一定范围字符的字符类。
When you use – in your document, it's replaced by Unicode character U+2013, the en dash (-) character.
我们在文档中使用 –时，它由Unicode字符U+2013（短横线- 字符）替代。
When you use – in your document, it's replaced by Unicode character U+2013, the en dash (-) character.
我们在文档中使用 –时，它由Unicode字符U+2013（短横线- 字符）替代。
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