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C QA - Recommended list of Doctype declarations you can use in your Web document
Warning The list is informative and does not try to be exhaustive (there are many other proper declarations you could use), but it has most of the declarations commonly used on the Web at the moment. Recommended Doctype Declarations to use in your Web document. When authoring document is HTML or XHTML, it is important to Add a Doctype declaration .A List Apart: Articles: Fix Your Site With the Right DOCTYPE!
You’ve done all the right stuff, but your site doesn’t look or work as it should in the latest browsers. You’ve written valid XHTML and CSS. You’ve used the W3C standard Document Object Model (DOM) to manipulate dynamic page elements.HTML 4.01 Specification
W3C announces today a Workshop on Using Open Data: policy modeling, citizen empowerment, data journalism . For many years, W3C has been a keen promoter of Open Data, fostering a culture in which public administrations make their data available, ideally in machine-processable formats. Many governments have embraced the idea with enthusiasm, setting up national data portals. As part of the FP7-funded Crossover Project, W3C and the European Commission are running a Workshop to ask a simple question: what is all the 'new' government open data being used for?

