Updated test case for my post Tweaking Text Level Styles.
<mark>
A standard run of text with no other elements or styles, except the one mentioned in the preceding heading.
A second run of text using the corresponding ARIA role but no other elements or styles, except the one mentioned in the preceding heading.
A third run of text using only the ARIA role but no other elements or styles, except the one mentioned in the preceding heading.
<del>
A standard run of text with no other elements or styles, except the one mentioned in the preceding heading.
A second run of text using the corresponding ARIA role but no other elements or styles, except the one mentioned in the preceding heading.
A third run of text using only the ARIA role but no other elements or styles, except the one mentioned in the preceding heading.
<ins>
A standard run of text with no other elements or styles, except the one mentioned in the preceding heading.
A second run of text using the corresponding ARIA role but no other elements or styles, except the one mentioned in the preceding heading.
A third run of text using only the ARIA role but no other elements or styles, except the one mentioned in the preceding heading.
<s>
A standard run of text with no other elements or styles, except the one mentioned in the preceding heading.
A second run of text using the corresponding ARIA role but no other elements or styles, except the one mentioned in the preceding heading.
A third run of text using only the ARIA role but no other elements or styles, except the one mentioned in the preceding heading.