The XHTML specification USES named entities to represent the special characters found in the ISO 8859-1 (Latin 1) character set, but not found on most keyboards.
XHTML规范使用命名实体来表示ISO 8859 - 1 (Latin 1)字符集中包含的、但在多数键盘上没有的特殊字符。
As you can see in Listing 1, which is a hunk of the XHTML 1.0 Special Characters declaration, the named entities are replaced by character entities.
如清单1(它是一块XHTML 1.0 Special Characters声明)所示，命名实体由字符实体替代。
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