W3C

The Research and Development Working Group (RDWG) will hold an online symposium to explore user modeling for accessibility, an approach for generating and adapting user interfaces to address particular user needs and preferences. The Call for Papers is open until 6 June 2013. Learn more about the User Modeling for Accessibility Symposium to be held on 15 July 2013, and the Web Accessibility Initiative (WAI).

The Site Redesign Task Force invites the community to take a short site redesign survey. As discussed in the A List Apart Column "W3C is Getting Some Work Done" W3C is developing a plan to refresh its Web presence for a variety of audiences. We appreciate your input on what you value from the site and what you would like to see us do better. We will be collecting survey responses until 11:59pm Boston time on 29 May 2013.

The System Applications Working Group has published a Working Draft of Raw Socket API. This API provides interfaces to raw UDP sockets, TCP client sockets and TCP server sockets. Learn more about the Ubiquitous Web Applications Activity.

The Web Performance Working Group has published a W3C Recommendation of Page Visibility. This specification defines a means for site developers to programmatically determine the current visibility state of the page in order to develop power and CPU efficient web applications. Learn more about the Rich Web Client Activity.

The Web Applications Working Group has published four Working Drafts today:

• A Working Draft of Shadow DOM. This specification describes a method of establishing and maintaining functional boundaries between DOM trees and how these trees interact with each other within a document, thus enabling better functional encapsulation within the DOM.
• A Working Draft of Custom Elements. This specification describes the method for enabling the author to define and use new types of DOM elements in a document.
• A Working Draft of HTML Imports. HTML Imports are a way to include and reuse HTML documents in other HTML documents.
• A Group Note of Java language binding for Web IDL. This document defines the Java language binding for Web IDL, the interface definition language for the Web platform.

Learn more about the Rich Web Client Activity.

The Cascading Style Sheets (CSS) Working Group has published a Working Draft of CSS Box Alignment Module Level 3. This module contains the features of CSS relating to the alignment of boxes within their containers in the various CSS box layout models: block layout, table layout, flex layout, and grid layout. Learn more about the Style Activity.