Note: As of December 2, 2015, only the HTML Media Extensions remain to be accomplished within the scope of the charter and the Group was renamed accordingly. Future work on HTML is now happening in the Web Platform Working Group.
The mission of the HTML Media Extensions Working Group, part of the HTML Activity, is to continue the development of the HTML language, as well as the development of APIs for interacting with in-memory representations of resources that use the HTML language, and to define normative requirements for browsers and other user agents which process HTML resources, along with defining normative document-conformance requirements for HTML documents.
|End date||30 September 2016|
|Confidentiality||Proceedings are Public|
|Chairs||Paul Cotton, Microsoft|
|Team Contacts||Yosuke Funahashi, W3C/Keio (0.4 FTE)|
Note: As of November 1, 2015, only the HTML Media Extensions remain to be accomplished within the scope of the charter and the Group was renamed accordingly. Future work on HTML is now happening in the Web Platform Working Group.
The HTML Media Extensions Working Group will:
Consistent with the W3C’s Principles of Design, the HTML Media Extensions Working Group will use a greater reliance on modularity as a key part of the development of the HTML language, allowing extension specifications to define new elements, new attributes, new values for attributes that accept defined sets of keywords, and new APIs. Those extension specifications may be achieved within the HTML Media Extensions Working Group or other Groups.
The HTML Media Extensions Working Group’s work will be considered a success if there are multiple independent complete and interoperable implementations of its deliverables that are widely used.
The HTML Media Extensions Working Group will complete work on the following existing deliverables of the group:
In addition, the HTML Media Extensions Working Group will complete the work on the DOM4 specification.
The HTML Media Extensions Working Group, jointly with the Protocols and Formats Working Group using the HTML Accessibility Task Force, will also complete work on the following existing deliverables:
Note: the Group responsibility for this document will be revisited after existing differences have been resolved to the extent possible.
Note: the Group responsibility for this document will be revisited given that it had already been a chartered deliverable of PFWG.
The HTML Media Extensions Working Group will deliver an HTML 5.1 specification which updates the HTML5 specification, and which, like the HTML5 specification:
The updated HTML specification may be modularized into separate documents. When extensions to the HTML 5.0 or 5.1 specifications are needed, separate extension specifications can be written.
Some examples of features that would be in scope:
Note: It is anticipated that work on the next-generation specification for offline Web applications will not be done by the HTML Media Extensions Working Group but will instead be done by the Web Applications Working Group.
The HTML Media Extensions Working Group will create a comprehensive test suite for the updated HTML5 specification to satisfy the CR Exit Criteria. Is is expected that the final test suite will be available no later than 3 months before moving to Proposed Recommendation.
|Note: The group will document significant changes from this initial schedule on the group’s publication status page.|
|HTML5||N/A||2011 Q2||2012 Q4||2014 Q4||2014 Q4|
|HTML 5.1||2012 Q4||2014 Q3||2015 Q1||2016 Q4||2016 Q4|
|HTML Canvas 2D Context||N/A||2011 Q2||2012 Q4||2013 Q3||2013 Q4|
|HTML Microdata||N/A||2011 Q2||2013 Q1||2013 Q3||2013 Q4|
|Media Source Extensions||N/A||N/A||N/A||2016 Q2||2016 Q3|
|Encrypted Media Extensions||N/A||2016 Q1||2016 Q1||2016 Q2||2016 Q3|
The HTML5 specification has normative dependencies on ARIA, SVG, MathML, and CSS specifications, and on a number for specifications that are deliverables of the Web Applications Working Group, including but not necessarily limited to the following:
The HTML Media Extensions Working Group is expecting reviews from the following working groups:
The HTML Media Extensions Working Group should maintain a liaison with the following groups:
The HTML Media Extensions Working Group will consider proposals for future specifications from Community Groups, encourage open participation from Community Group members, and keep coordination with relevant Community Groups, all within the bounds of the W3C patent policy and available resources.
The following is a list of external bodies the HTML Working Group should collaborate with:
The Chairs, specification editors, and test-suite maintainers are expected to contribute one to two days per week towards the HTML Media Extensions Working Group. There are no minimum requirements for other participants, and in particular no minimum requirements for “good standing”.
The group may hold teleconferences and face-to-face meetings, but note the Decision Policy requirements with regard to synchronous meetings.
Most of the technical work of the group will be done through discussions on the group’s public mailing lists and through bug discussions for bugs filed against the HTMLWG component in the W3C bugzilla service.
The following existing mailing lists are available for the HTML Working Group to use for discussions:
The group may also decide to add additional mailing lists, or to drop or repurpose existing ones. A complete list for current mailing lists is available.
As explained in the W3C Process Document (section 3.3), the HTML Media Extensions Working Group will seek to make decisions when there is consensus and with due process. The expectation is that typically, an editor or other participant makes an initial proposal, which is then refined in discussion with members of the group and other reviewers, and consensus emerges with little formal polling being required.
However, if a decision about an issue is necessary but consensus is not achieved after careful consideration of the range of views presented, the Chairs should put a question out to the group, poll the members of the group for responses (allowing for remote asynchronous participation—using, for example, mailing-list discussion and/or Web-based survey techniques, with a one-week minimum response time), and record a decision, along with any objections. In evaluation of responses, all members of the group will have equal footing; responses will be evaluated on the basis of their objective merit, and not on the basis of which particular members made the responses.
The group must not record any final decisions without first allowing for remote asynchronous participation in the decision—using, for example, mailing-list discussion and/or Web-based survey techniques. Specifically, the group must not record final decisions during synchronous meetings (telephone conferences or face-to-face meetings).
After the group has recorded a decision on an issue, the issue should then be considered resolved unless and until new information becomes available.
The group has been maintaining a detailed “HTML Working Group Decision Policy”. This continues to evolve based on the WGs experience over time, and may continue to do so to enhance the WGs operations in support of the principles of fairness, responsiveness, and progress of the W3C.
This charter is written in accordance with Section 3.4, Votes of the W3C Process Document and includes no voting procedures beyond what the Process Document requires.
This Working Group operates under the W3C Patent Policy (5 February 2004 Version). To promote the widest adoption of Web standards, W3C seeks to issue Recommendations that can be implemented, according to this policy, on a Royalty-Free basis.
For more information about disclosure obligations for this group, please see the W3C Patent Policy Implementation.
The copyrights of HTML 5.0 and HTML 5.1 specifications produced by the HTML Media Extensions Working Group are licensed under the W3C Document License.
When submitting an extension specification to the Working Group, individuals may propose that W3C publish the document under the Creative Commons Attribution 3.0 Unported License (CC-BY) as well as the W3C Document License (Dual License). Extension specifications published under this Dual License may include materials that have been dropped from the HTML 5.0 and HTML 5.1 specifications but must not duplicate material included in these specifications. The DOM4 specification is also a candidate for the Dual License.
When a submitter proposes to use the Dual License, the Working Group decides to adopt the proposal either:
If there is an objection the group must not adopt the Dual License for that document.
The title of an specification using the Dual License must start with "W3C". Derivative works based on these specifications must:
For questions about the relationship between derivative works of W3C specifications and the W3C Patent Policy, see our related FAQ.
This charter for the HTML Media Extensions Working Group has been created according to section 6.2 of the Process Document. In the event of a conflict between this document or the provisions of any charter and the W3C Process, the W3C Process shall take precedence.
2016-04-05: charter end date changed to end of September 2016.
2016-01-28: charter end date changed to end of March 2016, while resolving the objections.
2015-11-19: charter end date changed to end of December 2015. Group name was changed to HTML Media Extensions Working Group to make it clear that only MSE and EME remains in the Working Group. Deliverables, meetings, communication, and milestones were updated accordingly. Team contact was updated.
2015-10-01: charter end date changed to end of October 2015. Removed Robin Berjon as team contact.
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