4d1292ac__1_6_Embedded_content___HTML_5__Default_implied_ARIA_semantic
[Language feature] h6 element that does not have an hgroup ancestor [Restrictions] Role must be either heading role, with the aria-level property set to the element's outline depth, link, menuitem, menuitemcheckbox, menuitemradio, tab or treeitem [Default implied ARIA semantic] 
heading role, with the aria-level property set to the element's outline depth
3.2.5.1.6 Embedded content — HTML 5
Default implied ARIA semantic