It looks like there's a bug where when you drag to highlight text in the pop up screen for in-article link name editors, it accidentally takes you to the selected article.

open up hyperlink editor, attempt to drag text to copy, it accidentally redirects to hyperlinked article.
hyperlink name editor
same here, but I am using Firefox. I had also been doing this on the timeline, and it was deleting the event I was working on, when it did this