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Dete, Pogn, The instance itself containing, top most element, one, and its Centents., Cemponenti oan SGML Document -, There are mainly three components of, SGML document: They are -, D SGML Declaration, 2) Psralog, 3) Document instance, Advantages –, * It has the capabilily to encode the, full structiure of le document and, suppart any, media, type., can, * It is ok much, than HTML, more, use, which puovides capabilities to code, visual sepsresentation and, structure, yot to, real piece, the, information., * Separateu content from appearance, * SGML iles encoding is allowed far, mere complex farmatting as compared, to, HTML.