<snip>

Hmm, I *think* read-only anonymous access is allowed to the public parts
of boost-consulting svn server. Try this:

svn co https://boost-consulting.com/svn/main/clients/zkb/trunk

FYI, if it's the same as svn.boost.org, read-only access uses http://, r-w access uses https://.

HTH,
Darren