[whatwg] namespaces in html5

Anne van Kesteren annevk at opera.com
Mon Jul 18 07:47:40 PDT 2011

On Mon, 18 Jul 2011 16:33:47 +0200, David Karger <karger at mit.edu> wrote:
> Yes, we could,  but it doesn't address the two objections I raised to  
> data- prefix:
> 1.  it isn't actually a data attribute, so prefixing with data seems odd  
> (appearance; minor)

It is custom data implemented by a JavaScript library. Seems like a  
perfect fit.

> 2.  there's no way to guarantee someone else won't use the same  
> data-exhibit prefix, causing incompatibilities (functionality; major)

"exhibit" plus the ability for authors to configure that word should be  
enough to prevent problems. But I doubt you will get prefix clashes in  

Anne van Kesteren

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