While editing this answer DOS batch FOR loop with FIND.exe is stripping out blank lines? of mine, yesterday and today, think I had found a bug.
After finishing doing a major overhall of the question, realised that I had one missed one small detail, but upon clicking on the below:
Got into the edit screen to see this:
Seems the review screen also agrees with this now outdated view of the question
I tried a page refresh ignoring cache (ctrl + f5) with no change in what revision the
edited 23 minutes ago took me to / made available.
I have also had this happen to me second most recently, earlier today. In editing this question http://meta.stackoverflow.com/posts/166110/revisions, I forgot a couple of changes I wanted to make, only to go in and not notice that I wasn't working off the last edit, but instead the one before.