Looks like there is no way to specify the SVN repository that contains a port number.
I've updated our system to allow port numbers to be inserted into the subversion URL. Let me know if you have any trouble with this.
Copyright © 2013 Black Duck Software, Inc. and its contributors, Some Rights Reserved. Unless otherwise marked, this work is licensed under a Creative Commons Attribution 3.0 Unported License . Ohloh ® and the Ohloh logo are trademarks of Black Duck Software, Inc. in the United States and/or other jurisdictions. All other trademarks are the property of their respective holders.