web page, it can confuse people who use assistive technologies that rely on this information to easily navigate the various sections in the page.

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### What to do

* Remove `"banner"` role from all but one element. (The`<header>` element has an implicit role of banner when it is a descendent of the body element.)

For example:

```
<body>
	<div role="banner">banner content...</div>
	<div role="search">Search widget</div>
	<div r