What is XHTML 1 0

What is XHTML 1.0?

Following are some important facts about XHTML:

• XHTML is also referred to as Extensible-HTML.
• XHTML 1.0 is a reformulation of HTML 4.01 as an XML 1.0 application.
• The three XHTML 1.0 document type definitions (DTD) correspond to the ones defined by HTML 4.
• XHTML is designed to provide a path to extend HTML in the future in a way that is compatible with XML.
• XHTML is intended as a replacement for HTML.
• XHTML 1.0 is almost identical to HTML 4.01.
• XHTML 1.0 can be viewed with current generation user agents, including the major browsers if certain guidelines are followed. (Refer to Converting HTML to XHTML 1.0.)