// should generate diagnostics
<>
    <div role="checkbox" ></div>
    <div role="radio" ></div>
    <div role="heading" ></div>
    <div role="separator" ></div>
    <div role="button" ></div>
    <div role="article" ></div>

    <div role="cell" ></div>
    <div role="columnheader" ></div>

    <div role="figure" ></div>
    <div role="form" ></div>


    <div role="grid" ></div>
    <div role="gridcell" ></div>
    <div role="group" ></div>
    <div role="link" ></div>
    <div role="list" ></div>
    <div role="listitem" ></div>
    <div role="navigation" ></div>
    <div role="row" ></div>
    <div role="rowgroup" ></div>
    <div role="rowheader" ></div>
    <div role="search" ></div>
    <div role="searchbox" ></div>
    <div role="table" ></div>
    <div role="term" ></div>
    <div role="textbox" ></div>
    <div role="generic" ></div>
    <div role="caption" ></div>
    <div role="main" ></div>
    <div role="time" ></div>
    <div role="paragraph" ></div>
    <div role="complementary" ></div>
    <div role="blockquote" ></div>
    <div role="status" ></div>
    <div role="contentinfo" ></div>
    <div role="region" ></div>
</>
