Sequence of darcs commands

marcio@home:~/dir$ darcs init
marcio@home:~/dir$ touch file
marcio@home:~/dir$ darcs add file
marcio@home:~/dir$ darcs whatsnew
addfile ./file
marcio@home:~/dir$ darcs revert
addfile ./file
Shall I revert this change? (1/1)  [ynW...], or ? for more options: y
Do you really want to revert this change? y
Finished reverting.
marcio@home:~/dir$ darcs whatsnew
No changes!
marcio@home:~/dir$ darcs unrevert
addfile ./file
Shall I unrevert this change? (1/1)  [ynW...], or ? for more options: y
marcio@home:~/dir$ darcs whatsnew
No changes!
marcio@home:~/dir$ darcs record
No changes!
marcio@home:~/dir$