Callouts currently all have the following identical tag and "id" attribute:
<blockquote id="callout-container" ... ></blockquote>
But since an article can have multiple callouts, should the "id" attribute be a "class" attribute instead? Otherwise, all callouts in the same article will have the same id name, which might cause parsing issues.
We have not tested it yet, but we do further transformations on the Document360 HTML to conform to our company style, and this seems like a potential problem.