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W3C Publishes XML Entity Definitions for Characters Recommendation

The Math Working Group has published a W3C Recommendation of  “XML Entity Definitions for Characters.” Notation and symbols have proved important for human communication, especially in scientific documents. Mathematics has grown in part because its notation continually changes toward being succinct and suggestive. On the Web, the majority of cases it is preferable to store characters directly as Unicode character data or as XML numeric character references. This document is the result of years of employing entity names on the Web. It presents a completed listing harmonizing the known uses of character entity names throughout the XML world and Unicode. Learn more about the Math Activity.

W3C Announces Update to CSS 2.1 Candidate Recommendation

The World Wide Web Consortium (W3C) Cascading Style Sheets (CSS) Working Group updated the Candidate Recommendation of “Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification.” CSS 2.1 is a style sheet language that allows authors and users to attach style (e.g., fonts and spacing) to structured documents (e.g., HTML documents and XML applications). CSS 2.1 corrects a few errors in CSS2 (the most important being a new definition of the height/width of absolutely positioned elements, more influence for HTML’s “style” attribute and a new calculation of the ‘clip’ property), and adds a few highly requested features which have already been widely implemented. But most of all CSS 2.1 represents a “snapshot” of CSS usage: it consists of all CSS features that are implemented interoperably. This draft incorporates errata resulting from implementation experience since the previous publication.

W3C HTML Working Group Publishes Working Draft of HTML 5

The World Wide Web Consortium (W3C) HTML Working Group has published a Working Draft of “HTML 5.” HTML 5 adds to the language of the Web features to help Web application authors, new elements based on research into prevailing authoring practices, and clear conformance criteria for user agents in an effort to improve interoperability. This particular draft specifies how authors can embed SVG in non-XML text/html content, and how browsers and other UAs should handle such embedded SVG content. See also the news about moving some parts of HTML 5 to individual drafts. The ” full list of changes” since the previous draft are listed in the updated companion document “HTML 5 differences from HTML 4.”

W3C Publishes New Working Drafts for OWL 2 – Last Call

The W3C OWL Working Group has published new Working Drafts for OWL 2, a language for building Semantic Web ontologies. An ontology is a set of terms that a particular community finds useful for organizing data (e.g., for data about a book, useful terms include “title” and “author”). OWL 2 (a compatible extension of “OWL 1″ ) consists of 13 documents (7 technical, 4 instructional, and 2 group Notes). For descriptions and links to all the documents, see the ” OWL 2 Documentation Roadmap.” This is a “Last Call” for the technical materials and is an opportunity for the community to confirm that these documents satisfy requirements for an ontology language. This is a second Last Call for six of the documents, but because the changes since the first Last Call are limited in scope, the review period lasts only 21 days. For an introduction to OWL 2, see the four instructional documents: an “overview,” “primer,” “list of new features,” and “quick reference.”,

W3C Publishes Proposed SMIL 3.0 Recommendation

The W3C (World Wide Web Consortium) SYMM Working Group has published the the Proposed Recommendation of “Synchronized Multimedia Integration Language (SMIL 3.0),” pronounced “smile.” SMIL 3.0 allows authors to write interactive multimedia presentations. Using SMIL 3.0, an author may describe the temporal behavior of a multimedia presentation, associate hyperlinks with media objects and describe the layout of the presentation on a screen. SMIL 3.0 is a modular XML application: its components may be used in other XML formats. SMIL also defines mobile profiles that incorporate features useful within the industry. Comments are welcome through 6 November.

W3C Publishes “XQuery Scripting Extension 1.0” and Use Cases Draft

The World WIde Web Consortium XML Query Working Group has published two First Public Working Drafts: “XQuery Scripting Extension 1.0” and “XQuery Scripting Extension 1.0 Use Cases.” The former defines an extension to XQuery 1.0 and XQuery Update facility. Expressions can be evaluated in a specific order, with later expressions seeing the effects of the expressions that came before them. This specification introduces the concept of a block with local variable declarations, as well as several new kinds of expressions, including assignment, while, continue, break, and exit expressions. The latter specification includes the usage scenarios that motivate the changes in the former. Also see

W3C Invites Implementations of XQuery Update Facility 1.0

The XML Query Working Group has published the Candidate Recommendation of “XQuery Update Facility 1.0.” This document defines an update facility that extends the “XML Query language, XQuery.” The XQuery Update Facility provides expressions that can be used to make persistent changes (including node insertion, deletion, modification, and creation) to instances of the XQuery 1.0 and XPath 2.0 Data Model. The Working Group also published two additional documents that will become Working Group notes– ” XQuery Update Facility 1.0 Requirements” and “XQuery Update Facility 1.0 Use Cases.”

W3C: Canonical XML 1.1 Proposed Recommendation

The World Wide Web Consortium (W3C) XML Core Working Group has published the Proposed Recommendation of “Canonical XML 1.1.” The specification establishes a method for determining whether two documents are identical, or whether an application has not changed a document, except for transformations permitted by XML 1.0 and Namespaces in XML. Canonical XML 1.1 is a revision to “Canonical XML 1.0” designed to address issues related to inheritance of attributes in the XML namespace when canonicalizing document subsets, including the requirement not to inherit xml:id, and to treat xml:base URI path processing properly. Comments are welcome through 07 March. Learn more about W3C’s XML Activity.

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