Re: [webcomponents] alternate proposal (#120)

> @@ -102,3 +102,13 @@ The [current proposal](http://www.w3.org/TR/custom-elements/#dfn-type-extension)
>      they have in mind (anecdotical evidence confirms this is already an issue).
>  
>  ## Alternative proposals
> +
> +In "drawbacks' above, the objections to the syntax that inheritence is turned on its head an it's error prone could be ameliorated by changing the syntax, eg 
> +
> +    <button extendedby=my-button>
> +
> +The objection that it's hard to scan is equally the case with
> +
> +    <my-button tabindex="-1" some-unknown-attribute="7829" and-another-one="hkha">
> + 
> + That requires delving into some JS to see what it actually does. (I assume it's trivial for browser devtools/ syntax-highlighter to highlight an element with an extendedby/ is arribute to draw a developer's attention to it).

I don't get this argument. Either way you have to delve into some JS to see what it actually does.

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