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A Propusal for A New Pseudo Element Called :icon

Take a look to this HTML5 code as shown here:

The question is: Isn’t icon="" attribute here a presentation attribute?
You might say yes, and it should be set using CSS like this:

However, this presentation attribute in turn needs presentation attributes! (position, padding…).

So, we need something in between: A Pseudo Element.
A Pseudo Element is simply an attribute has attributes.

Thus, icon="" as an HTML attribute for <command> should be deprecated.

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