FACTOID # 25: If you're in Montserrat, watch your back! Nearly 1% of the population are police officers.
 
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Encyclopedia > W3C Markup Validation Service
It has been suggested that this article or section be merged into World Wide Web Consortium. (Discuss)

The Markup Validation Service by the World Wide Web Consortium, W3C, allows internet users to check HTML documents for conformance to their HTML and XHTML standards, and is also a quick method to check for errors in code. (However, major browsers are often tolerant of certain types of error, and may render a file successfully even if it is not stricly syntactically correct.) Certain other XML documents can also be validated if they refer to an internal or external DTD. Wikipedia does not have an article with this exact name. ... It has been suggested that W3C Markup Validation Service be merged into this article or section. ... It has been suggested that W3C Markup Validation Service be merged into this article or section. ... HTML, short for Hypertext Markup Language, is the predominant markup language for the creation of web pages. ... The Extensible HyperText Markup Language, or XHTML, is a markup language that has the same depth of expression as HTML, but also conforms to XML syntax. ... An example of a web browser (Internet Explorer), displaying the English Wikipedia main page. ... The Extensible Markup Language (XML) is a general-purpose markup language. ... Document Type Definition (DTD), defined slightly differently within the XML and SGML specifications, is one of several SGML and XML schema languages, and is also the term used to describe a document or portion thereof that is authored in the DTD language. ...


W3C also offers validation tools for web technologies other than HTML/XHTML, such as MathML. Mathematical Markup Language (MathML) is an application of XML for describing mathematical notation and capturing both its structure and content. ...


External links

  • The W3C Markup Validation Service
  • An "amputator" for excluding errors caused by ad servers from a page's validation results.
  • A simple validator with crawling capabilities Web Design Group.

  Results from FactBites:
 
Validate your XHTML with this tool by W3C (544 words)
As such, many consider XHTML to be the "current version" of HTML, but it is a separate, parallel standard; the W3C continues to recommend the use of either XHTML 1.1, XHTML 1.0, or HTML 4.01 for web publishing.
Therefore, most web content authors are forced to choose between writing valid, standards-compliant documents and providing content that renders properly on the browsers of most human visitors.
This is the W3C Markup Validation Service, a free service that checks Web documents in formats like HTML and XHTML for conformance to W3C Recommendations and other standards.
  More results at FactBites »


 

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