Notes for the ISSUE-41 CP

http://wiki.whatwg.org/wiki/FAQ#HTML5_should_support_a_way_for_anyone_to_invent_new_elements.21

The other two Change Proposals

http://www.w3.org/html/wg/wiki/ChangeProposals/extensionslikesvg http://www.w3.org/html/wg/wiki/ChangeProposals/html:xmlns

What are the use-cases for allowing authors to create proprietary (but validating) HTML elements?

http://lists.w3.org/Archives/Public/public-html/2009Oct/0820.html http://lists.w3.org/Archives/Public/public-html/2008Apr/0205.html http://lists.w3.org/Archives/Public/public-html/2008May/0552.html http://lists.w3.org/Archives/Public/public-html/2008May/0182.html http://wiki.whatwg.org/wiki/New_Vocabularies http://wiki.whatwg.org/wiki/Extensions http://wiki.whatwg.org/wiki/New_Vocabularies_Solution

Hixie: "I have been unable to come up with a generic syntax for vocabulary extension that looks (even slightly) like XML and that would actually work in practice on the Web"

http://lists.w3.org/Archives/Public/public-html/2008Apr/0044.html

Important for extensions to be able to survive syndication:

http://lists.w3.org/Archives/Public/public-html/2008Mar/0253.html

Feasability of CSS-like <-vendor-foo>:

http://lists.w3.org/Archives/Public/public-html/2009Oct/0894.html http://lists.w3.org/Archives/Public/public-html/2008Aug/0082.html

class="" is for use as an author-level extension syntax.

http://lists.w3.org/Archives/Public/public-html/2009Oct/0817.html http://lists.w3.org/Archives/Public/public-html/2008Aug/0054.html http://lists.w3.org/Archives/Public/public-html/2008Apr/0142.html

A bunch of potential use-cases and Henri's replies to them:

http://lists.w3.org/Archives/Public/public-html/2009Oct/0009.html

Microdata adds extensibility points to HTML:

http://lists.w3.org/Archives/Public/public-html/2009Jun/0811.html

Comments on the "adding new features to the core Web language without peer review" use-case:

http://lists.w3.org/Archives/Public/public-html/2008Aug/0160.html http://lists.w3.org/Archives/Public/public-html/2008Aug/0054.html http://lists.w3.org/Archives/Public/public-html/2008Aug/0022.html http://lists.w3.org/Archives/Public/public-html/2008Aug/0006.html

Disambiguation isn't a real problem:

http://lists.w3.org/Archives/Public/public-html/2008Aug/0147.html

Issue 41 is about enabling decentralized parties to create their own languages.

http://lists.w3.org/Archives/Public/public-html/2008Aug/0130.html http://lists.w3.org/Archives/Public/public-html/2008Aug/0001.html http://lists.w3.org/Archives/Public/public-html/2007Aug/0134.html

DOM consistency and : in names

http://lists.w3.org/Archives/Public/public-html/2008Aug/0162.html http://lists.w3.org/Archives/Public/public-html/2008Aug/0204.html

Sam: "Suffice it to say that as long as the answer works out that there is no mechanism by which independent parties can define new elements, I will never be satisfied."

http://lists.w3.org/Archives/Public/public-html/2008Aug/0004.html

Prefix indirection is bad, mmmkay?

http://lists.w3.org/Archives/Public/public-html/2008Jul/0453.html http://lists.w3.org/Archives/Public/public-html/2008Jul/0365.html http://lists.w3.org/Archives/Public/public-html/2008Jul/0363.html http://lists.w3.org/Archives/Public/public-html/2008Jul/0357.html