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。

youdao

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(-)。

youdao

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。

youdao