[Bug 23255] [Custom]: Requirements on custom element type names

https://www.w3.org/Bugs/Public/show_bug.cgi?id=23255

--- Comment #4 from Dimitri Glazkov <dglazkov@chromium.org> ---
(In reply to Simon Pieters from comment #3)
> I think it's a bad idea to allow uppercase names in XHTML. It violates
> http://www.w3.org/TR/html-design-principles/#dom-consistency
> 
> data-* attributes are required to be in lowercase (in the ASCII range).

I don't have super-strong opinions here. If I remember correctly, I was just
trying not to impose too many restrictions. Since SVG already has mixed-case
names, and custom elements allow extending SVGElement, it seems only fair to
let those extending SVG to use mixed case.

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Received on Friday, 4 October 2013 20:46:14 UTC