Here is a block tag ins:

<ins>
<p>Some text</p>
</ins>

<ins>And here it is inside a paragraph.</ins>

And here it is <ins>in the middle of</ins> a paragraph.

<del>
<p>Some text</p>
</del>

<del>And here is ins as a paragraph.</del>

And here it is <del>in the middle of</del> a paragraph.