Include timestamp in the 'Restore from saved draft' dialog box

[ubermammal]

Title
Include timestamp in the 'Restore from saved draft' dialog box

Short, concise description of the idea
The 'Restore from saved draft?' message should include the date/time at which the draft was saved, so you have a better idea of what you're restoring to.

Full description of the idea
As summary. I was writing a long post, paused overnight to sleep, then came back to it in the morning. While typing I accidentally hit the 'back' key on my keyboard. Going forward again to the post page, I hit the 'Restore from saved draft?' message and hit OK - but it turned out that the draft was from last night, so I've lost several hundred words. If I'd hit Cancel, my browser would probably have preserved my text. If I'd known that the draft was from last night instead of from just a few minutes ago, I wouldn't have hit OK.
An ordered list of benefits

• * Better understanding of what will happen when the 'OK' button is pressed
  * Less likely to restore drafts that one doesn't actually want to restore

An ordered list of problems/issues involved

• * Some poor programmer will have to change a couple of lines of Javascript
  * I guess maybe you'll have to translate it into other languages or something