Documentation for Subversion (sometimes referred to as "SVN") is available here.
Anonymous Subversion Access
This project's SVN repository can be checked out through anonymous access with the following command(s).
svn checkout https://vcs.maemo.org/svn/mirrorapp
Developer Subversion Access via DAV
Only project developers can access the SVN tree via this method. Substitute developername with the proper values. Enter your site password when prompted.
Browsing the SVN tree gives you a great view into the current status of this project's code. You may also view the complete histories of any file in the repository.