How is XML related to SGML?
SGML If it wasn’t for HTML hardly anyone would have heard of SGML (standardized general markup language), although it has been an international standard since 1986. It is really a document that lays down rules on how to describe a set of markup tags. HTML is its most well known product. It has been used with great success however to manipulate large bodies of documents, and relies on the fact that a document marked up according to the rules of SGML can be widely understood on a variety of platforms. Its great strength is that it allows the use of semantic tagging which can acuratly describe a documents content. Its chief draw back is its complexity which makes it difficult to use for the occasional user, and also makes it difficult to write SGML compatible software. XML XML (extensible markup language) is a recent language that is 100% compatible with SGML. It has been designed by the W3C as a version of SGML suitable for use over the Internet. It is still very much in the developmenta
