Useful XML and SGML information appears at Goldfarb’s Web site, including a comprehensive XML book list https://www.sgmlsource.com ; Miscellaneous links.

XML is actually compatible with SGML: XML documents can be read by any SGML authoring or viewing tool. However, XML is less complex than SGML, and it's designed to work across a limited- bandwidth ...

Like XML, SGML focuses on structure and, for the most part, disregards formatting issues. It can dramatically improve the way you manage information by facilitating better organization, ...

XML and HTML are both markup languages that deal with data and can be used together. They both utilize Standard Generalized Markup Language (SGML) and respond to browser requests directly or using ...

Anastasia includes support for all valid XML and SGML documents, and a fully XML-aware search engine. It can handle documents over 2GB in size, and uses pre-built indices for speed.

As the W3C winds down its work on XML standardization, it looks back at the success of the Extensible Markup Language as well as the future ahead ...