HTML and XHTML Document Type Definitions
This page lists and provides links to standard DTDs and SGML declarations for HTML and its successor language, XHTML.
HTML 4.01 / XHTML 1.0 Reference
Element and attribute definitions and examples, with alphabetical index, and also sorting by function.
Ektron, Inc.
Offer full-featured WYSIWYG XHTML/HTML editors for web content and document management. Includes product and support information.
Context Sensitive XHTML
This paper tries to introduce some new elements into the HTML language. The purpose of these elements is to create documents that can contain different pieces of information at the same time. These various pieces of information can be presented to the use
