The SGML declaration establishes the basic rules for which characters are considered to be markup characters and which aren't.
SGML声明确立了基础规则,以确定哪些字符是标记字符而哪些不是。
The SGML declaration establishes the basic rules for which characters are considered to be markup characters and which aren't.
SGML声明确立了基础规则,以确定哪些字符是标记字符而哪些不是。
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