有关HTML4中全部的字符实体引用信息，请参阅字符引用完全列表部分。
Please consult the full list of character references defined in HTML 4.
字符和已解析实体引用替换为文字字符(特殊字符除外)。
Character and parsed entity references are replaced with the literal characters (excepting special characters).
如上一小节所述，字符实体等同于在文档中直接输入的引用字符。
As you'll recall from the previous section, the character entities are the same as if you'd typed the referenced character directly into the document.
当某个参数实体在DTD中用其名在来引用时，会将这个参数实体的展开成字符串。
When the parameter entity is referred to by name in the DTD, it is expanded into a string.
当某个参数实体在DTD中用其名在来引用时，会将这个参数实体的展开成字符串。
When the parameter entity is referred to by name in the DTD, it is expanded into a string.
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