$ svn ci -m 'Adding first version of my plugin' --username fliebel
Authentication realm: <http://svn.wp-plugins.org:80> WordPress.org Subversion
Password for 'fliebel':
svn: Commit failed (details follow):
svn: Server sent unexpected return value (403 Forbidden) in response to CHECKOUT request for '/!svn/ver/66833/bw4ie/trunk'
same problem here...
google has some more people with the same problem, but does not provide a solution.
someone said it worked after he received an email about the svn being online and configured, got mail... week ago, but it is still not working.