These always refer to the document character set, not the character encoding.
这些都是在说文档字符集，而不是字符编码。
For information about characters, please consult the section on the document character set.
想要获取关于字符的信息，请参考文档字符集部分。
The section on the document character set addresses the issue of what abstract characters may be part of an HTML document.
文档字符集部分主要讨论哪些抽象字符可以在HTML文档中出现。
Servers and proxies do not have to serve a document in a character encoding that covers the entire document character set.
服务器以及代理（proxy）无须提供完全编码的文档（即，文档采用涵盖文档全部字符集的编码方式）。
Servers and proxies do not have to serve a document in a character encoding that covers the entire document character set.
服务器以及代理（proxy）无须提供完全编码的文档（即，文档采用涵盖文档全部字符集的编码方式）。
应用推荐