CS4624 SGML

SGML (Standardized Generalized Markup Language)

• Developed out of markup languages like Scribe, GML
  
• Approved in 1985
  
• Widely used for electronic publishing
  
• Implements model of Ordered Hierarchy of Content Objects (OHCO)
  
• Is actually a metalanguage, to describe markup languages
  
• DTDs: SGML becomes specialized through a Document Type Definition (DTD)
  
• Example DTDs:
  
  
  • Article
    
  • Book
    
  • Dissertation or thesis
    
  • Hyperbase (with HyTime)
    
  • Musical performance (with SMDL and HyTime)
    
  • Text Encoding Initiative (TEI): online copy, dictionary, poem, ...
• See The XML Cover Pages for "a comprehensive online reference work for the Extensible Markup Language (XML) and its parent, the Standard Generalized Markup Language (SGML)".
• See also extensive information on SGML/XML uses by government and industry.
• For more detail see CS5604 SGML notes.