W3C

W3C invites media, analysts, and other attendees of Mobile World Congress (MWC) 2012 to meet with W3C and learn how the Open Web Platform is transforming industry. From 27 February through 1 March W3C will showcase demonstrations of HTML5, CSS3, and other open Web technologies at its booth in Hall 2, Stand 2A31. CEO Jeff Jaffe, W3C staff, and some W3C Members will be available as expert resources for media stories and analyst reports on how the Web is changing mobile, television, advertising, games, publishing, automotive, health care, and other industries. Read the media advisory and learn more about W3C @ MWC 2012.

The W3C has launched the Nu Markup Validation Service, a non-DTD-based markup validator being made available to the community in parallel to the existing DTD-based validator.w3.org W3C markup validator. The W3C Nu Markup Validation Service uses the same backend as the Validator.nu site, which is also the backend for the HTML5-checking feature of validator.w3.org. The Nu Markup Validation Service is a separate, standalone validator which provides that same HTML5-checking feature while also offering a user interface that exposes additional options, such as full validation support for XHTML5 documents, and the ability to validate documents that contain features from RDFa Core 1.1 and from RDFa Lite 1.1.

The Web Applications Working Group has published a W3C Recommendation of Widget Access Request Policy. This specification defines the security model controlling network access from within a widget, as well as a method for authors to request that the user agent grant access to certain network resources or sets thereof. Learn more about the Rich Web Client Activity.

The Cascading Style Sheets (CSS) Working Group has published the First Public Working Draft of CSS Positioned Layout Module Level 3. CSS is a language for describing the rendering of structured documents (such as HTML and XML) on screen, on paper, in speech, etc. This module contains the features of CSS level 3 relating to positioning and stacking of elements. It includes and extends the functionality of CSS level 2, which builds on CSS level 1. The main extensions compared to level 2 are the ability to position elements based on CSS Region boxes, and the ability to specify a different containing blocks for elements. Learn more about the Style Activity.

The Web Applications Working Group has published a Last Call Working Draft of Web IDL. This document defines an interface definition language, Web IDL, that can be used to describe interfaces that are intended to be implemented in web browsers. Web IDL is an IDL variant with a number of features that allow the behavior of common script objects in the web platform to be specified more readily. How interfaces described with Web IDL correspond to constructs within ECMAScript execution environments is also detailed in this document. It is expected that this document acts as a guide to implementors of already-published specifications, and that newly published specifications reference this document to ensure conforming implementations of interfaces are interoperable. Comments are welcome through 28 February. Learn more about the Rich Web Client Activity.

To increase and broaden participation in its activities, W3C announces today a new startup membership level for small organizations new to W3C. Organizations are eligible for the new level depending on their size (10 or fewer employees) and annual revenues. This new level is available for the first two years of Membership. Please see the startup level description for details and more information about eligibility. Please contact membership@w3.org if you have any questions.