Web standards: XHTML, CSS, XML, W3C


XHTML is a language used to write pages for the World Wide Web (also called the Web). Originally conceived of as a successor to HTML, from which it takes a large part of its syntax, XHTML allows one to write web pages (also called web documents).

XHTML is more recent and more demanding than HTML, but it is also more adapted than the latter for everything displayed on devices other than computers (mobile phones, PDA, televisions....)

XHTML is used by Automne to create the pages it manages.  The pages are created from XML models as XHTML respects the syntax of XML, which is not the case with HTML.  It is thus possible to mix XHTML and XML tags.

Note that XHTML and HTML evolve together (XHTML will soon go to version 2 and HTML to version 5).  By design Automne can generate pages equally in either language.


CSS allows one to separate the content of HTML or XHTML documents from their presentation.

This has a number of advantages:

  • Improved access for handicapped persons,
  • Changes in structure and presentation can be made more easily,
  • Reduced complexity of document architecture,
  • etc...

 XML :

XML is a markup language whose primary goal is to manage text data.

Unlike HTML, XHTML and other languages constrained by their standards, XML can be expanded as long as some simple writing rules are respected.

In addition, its relative ease of use and versatility has made XML one of the most widely used languages over the last few years.  It is for these reasons that Automne uses this language at the level of its rows and pages so that they can be managed easily by anyone.

The structure of XML accepted by Automne is described in detail in the interface of the software, as well as in this documentation.

W3C :

The World Wide Web Consortium, or W3C, is a standards organization.

It was founded in October 1994 as a consortium to promote the compatibility of Web technologies such as HTML, XHTML, XML, RDF, CSS, PNG, SVG and SOAP. It does not issue norms in the European sense, but makes valuable recommendations for the industry.

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