The W3C published a document explaining the differences between the specifications of HTML 4 and HTML 5.
HTML 5 is on track, but is not yet complete and therefore is not supported by any browser. He is currently at the stage of “Draft”, indicating that several details still being discussed and therefore can still change before its final submission.
However, the World Wide Web Consorcium already has more or less clear differences that lead to this future with HTML 4 HTML 5 specification. Why have published a paper that anyone interested can look at to begin to learn about new developments will soon in other browsers and systems of access to the web.
The paper on the differences in HTML 4 and HTML 5 can be found at URL: http://www.w3.org/TR/2009/WD-html5-diff-20090212/ and was published last February 12, 2009 . It’s in English, as you can imagine, but not so hard to read as we have used other documents of the W3C. However, we make a small summary:
General Characteristics
A series of changes to the architecture of the site that will try to push HTML 5, the most varied, to give a few examples:
- The specifications for HTML 5 will be divided into 2 target audience: developers and devices that interpret it (and other browsers). While developers to take on the stringent requirements that will have a number of changes to the devices that implement HTML 5 specifications are presented wider respect backward compatibility (to continue successfully processed pages in HTML 4 and earlier ).
- HTML is a language labeling, but the syntax can be expressed in labels such as those that come from using XML syntax and always, it varies a little. We may choose to express it in HTML or as provided in a more rigid syntax in XML.
Changes in language
Will create several new elements, as SECTION, ARTICLE, ASID, HEADER, FOOTER, NAV, even dialogue … there will be two new labels to add AUDIO and VIDEO, and other things to make as interesting as DataGrid, PROGRESS, TIME, CANVAS, DETAILS …
Another thing that draws attention is the INPUT field, which will now have many more possible values in the attribute type: datetime, date, month, week, number, url, email, color …
In this paper we will find quick explanations on these new elements, in addition to the list of new features and changes in the elements and attributes that already exist. It also will create a set of APIs that will help create more complex Web applications.
All this will have to watch him go with time and once the specifications have been published HTML 5 finally
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