Importing large web pages by drag and drop saves only part of the page

Importing large web pages as standalone and child attachments by drag and drop seems to save only part of the page (try, for example, this page). Saving via "Create New Item from Current Page" works just fine, so I assume this is easily fixable.

This is an old discussion that has not been active in a long time. Instead of commenting here, you should start a new discussion. If you think the content of this discussion is still relevant, you can link to it from your new discussion.