4.12. SGML和XML的异同

  1. SGML和XML的异同?

    SGML is more customizable (thus flexible and more "powerful") at the expense of being (much) more expensive to implement. In an SGML language you could say <COVER PAGES>, whereas in XML this construct could not be DTD valid.

  2. SGML DTD 到 XML DTD的转换

  3. SGML 文档 到 XML 文档的转换