According to this FAQ, the error might be caused by a missing or unlocatable ra_dav library. In my system, which was also updated to the 1.5.6dfsg-1ubuntu1 version, I cannot find such library, neither any of the other ra_* libs this faq mentions. So I guess that this is the problem.
http://subversion.tigris.org/faq.html#unrecognized-url-error -- [Karmic] subversion not recognizing http/https protocol https://bugs.launchpad.net/bugs/384816 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs