Xhtml -

At its core, XHTML is . While HTML 4.01 was based on SGML (Standard Generalized Markup Language), which allowed for "loose" syntax (like unclosed tags), XHTML 1.0 requires strict adherence to XML's well-formedness rules. The Core Purpose

: A radical departure that was not backward compatible and aimed to fix perceived "errors" in HTML design. It was ultimately abandoned in favor of HTML5. HTML and XHTML elements and attributes - EduTech Wiki At its core, XHTML is

: A direct "port" of HTML 4.01 into XML. It was designed to be backward compatible with older browsers that only understood HTML. At its core

: A modular version that dropped backward compatibility to focus strictly on XML standards. At its core, XHTML is