Character references are numeric or symbolic names for characters that may be included in an HTML document.

字符引用是指在HTML文档中允许包含的以数字或者符号短语形式表示字符的方式。

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Other types of macros, called character references, may be used in the text of an HTML document or within attribute values.

称为字符引用的其他类型的宏可以在HTML文档的文本部分或者属性值中使用。

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HTML 4 includes character references for these characters.

HTML 4包含了这些字符的字符引用。

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