The Web Services Resource Access Working Group invites implementation of seven Candidate Recommendations for Web Services: Enumeration (WS-Enumeration), Event Descriptions (WS-EventDescriptions), Eventing (WS-Eventing), Fragment (WS-Fragment), Metadata Exchange (WS-MetadataExchange), SOAP Assertions (WS-SOAPAssertions), and Transfer (WS-Transfer). Comments welcome through 20 May 2011. Learn more about the Web Services Activity.

The Cascading Style Sheets (CSS) Working Group has published a Working Draft of CSS Writing Modes Module Level 3. CSS3 Writing Modes defines CSS features to support for various international writing modes, such as left-to-right (e.g. Latin or Indic), right-to-left (e.g. Hebrew or Arabic), bidirectional (e.g. mixed Latin and Arabic) and vertical (e.g. Asian scripts). Learn more about the Style Activity.

W3C is pleased to announce its latest online training course: Introduction to Mobile Web and Application Best Practices. This course includes a lot of new material concerning Web applications. Delivered over 8 weeks, the course will help Web designers and content producers to become familiar with the Web as delivered on mobile devices. It is based entirely on W3C standards, particularly the Mobile Web Best Practices and Mobile Web Application Best Practices. Participants will learn in particular about which versions of HTML and CSS to use for mobile today, client-side and server-side content adaptation techniques, and exciting new APIs available on modern mobile platforms. The full price for the new course is €195 but there are two early bird periods. From now until Friday 6 May you can enroll for just €95. The second early bird period runs until Friday 27th May at €145. See full details of the course and register now.

The Voice Browser Working Group has published a Working Draft of State Chart XML (SCXML): State Machine Notation for Control Abstraction. This document outlines State Chart XML (SCXML), which is a general-purpose event-based state machine language that combines concepts from CCXML and Harel State Tables. CCXML is an event-based state machine language designed to support call control features in Voice Applications (specifically including VoiceXML but not limited to it). Learn more about Voice browsing.

The Device APIs and Policy Working Group has published the First Public Working Draft of Battery Status Event Specification. This specification provides tools for developers to access device battery status (charge level, time remaining, etc.) within Web Applications. This specification defines a new DOM event type that provides information about the battery status of the hosting device and associated auxiliary devices. Learn more about the Ubiquitous Web Applications Activity.

The Authoring Tool Accessibility Guidelines Working Group has published updated Working Drafts of Authoring Tool Accessibility Guidelines (ATAG) 2.0 and the companion document Implementing ATAG 2.0. ATAG defines how authoring tools should help developers produce accessible web content that conforms to Web Content Accessibility Guidelines (WCAG) 2.0. It also defines how to make authoring tools accessible so that people with disabilities can use them. Comments are welcome through 24 May 2011. Please see the invitation to review the ATAG 2.0 Working Draft for more information. Learn more about the Web Accessibility Initiative (WAI).

The XML Security Working Group has published Last Call Working Drafts of XML Signature Syntax and Processing Version 2.0, Canonical XML 2.0, and XML Signature Streaming Profile of XPath 1.0. These specifications are part of an ongoing effort to rework XML Signature and Canonical XML to address issues around performance, streaming, robustness, and attack surface. With this Last Call, the Working Group is seeking broad feedback on the approach it has taken. Please comment by 31 May.

Additionally, the XML Security Working Group has updated Working Drafts of XML Security Algorithm Cross-Reference, XML Security 2.0 Requirements and Design Considerations, and XML Security RELAX NG Schemas documents. Learn more about XML.