On the last diff of a page "Newer edit →" is not shown, but when look at the first diff of a page "← Older edit" is shown and suggest there is any diff, but when click that link the first revision is load and no diff. I think that is not intuition. The link should not shown, when a older version is not available.
Version: unspecified
Severity: enhancement
URL: http://en.wikipedia.org/w/index.php?title=Main_Page&diff=next&oldid=139871