A user was updating a translation from
https://meta.wikimedia.org/w/index.php?title=CNBanner:FR2014_translations-legal-us/pt&oldid=8920101
to
https://meta.wikimedia.org/w/index.php?title=CNBanner:FR2014_translations-legal-us/pt&oldid=9145185
but was not notified that there were other edits to the page while he was editing. In other words, the usual "edit conflict" error was not shown to the user and he silently discarded parts of previous changes.
The page history shows his edit was saved 2 seconds after mine:
2014-07-09T18:21:08 @Danilo .mac
2014-07-09T18:21:06 @He7d3r
See also