Guide content gone after changing title in editor

I was making a guide today and at one point I decided to change the title of the guide. I did so, hit Save, and closed the window. When I went back to it, all of the chapter content was gone.

This seems like a bug to me since I don't know how else I would have deleted 3 chapters worth of content that had already been developed. It was only an hour's or so worth of work but I'd hate to see it happen to someone else who had dropped more time into a guide and then lost it.

Any ideas?

I tried to recreate the situation as you described, but I couldn't manage to do it. Did you already have content in your guide before changing your title? Also, did you wait until you got the "Guide saved!" pop-up before closing?