User-agent:
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130806 Thunderbird/17.0.8
There was a serious bug in revisions 4869-4873, that under certain
circumstances could cause pcbnew crash while saving a file, resulting in
data loss. Therefore, if you use any of the mentioned revisions, please
update the code. I apologise for the inconvenience.
