Search results
Results From The WOW.Com Content Network
The similarities between HTML 4.01 and XHTML 1.0 led many websites and content management systems to adopt the initial W3C XHTML 1.0 Recommendation. To aid authors in the transition, the W3C provided guidance on how to publish XHTML 1.0 documents in an HTML-compatible manner, and serve them to browsers that were not designed for XHTML. [28] [29]
The Web Hypertext Application Technology Working Group (WHATWG) began work on the new standard in 2004. At that time, HTML 4.01 had not been updated since 2000, [10] and the World Wide Web Consortium (W3C) was focusing future developments on XHTML 2.0.
A well-formed XHTML document adheres to all the syntax requirements of XML. A valid document adheres to the content specification for XHTML, which describes the document structure. The W3C recommends several conventions to ensure an easy migration between HTML and XHTML (see HTML Compatibility Guidelines). The following steps can be applied to ...
CSS is designed around styling a document, structured in a markup language, HTML and XML (including XHTML and SVG) documents. It was created for that purpose. The code CSS is non-XML syntax to define the style information for the various elements of the document that it styles. The language to structure a document (markup language) is a ...
Extensible HyperText Markup Language (XHTML): HTML reformulated in XML syntax. XHTML Basic – a subset of XHTML for simple (typically mobile, handheld) devices. It is meant to replace WML, and C-HTML. XHTML Mobile Profile (XHTML MP) – a standard designed for mobile phones and other resource-constrained devices.
HyperText Markup Language (HTML) Hypertext documents SGML: Tag Yes Yes [9] Yes Lilypond: Music notation: Control code Yes Yes Maker Interchange Format (MIF) Technical documents Tag Yes Yes Markdown: Formatted Technical documents, Hypertext documents, E-mail: Text E-mail conventions Tag Yes Yes Yes Math Markup Language (MathML) Mathematical ...
In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.
The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition (DTD). Markup validation is an important step towards ensuring the technical quality of web pages.