Something I don’t like about subversion
You can revert files, but commits are final:
boom:~/workspace/beebo/lib$ svn commit -m 'removed zend'
Deleting lib/Zend
Sending lib/classes/REST.php
Sending lib/init.php
Transmitting file data ..^C^C^C^C^C^C^C
Committed revision 2175.
boom:~/workspace/beebo/lib$