The new bidirectionality-improving div should only contain the parsed page content, nothing else. This is perfect when viewing articles, and helps scripts a lot when extracting that content.
But I think it is only needed for article views. For example in diff mode, it contains
...and then the real content
Also, in edit mode the <div id="mw-content-text"> contains
<div id="wikiPreview" class="ontop" style="display: none;"/>
None of them is really content-text, I suspect. I think it would be better to have the div only appear (maybe empty) in the #wikiPreviw.
Also, it for example broke my script which tried to