This makes it a little hard to specify which specific binaries should be used, especially if there is more than one of them available (see c.f. <http://trac.macports.org/ticket/26333> where the MacPorts-supplied, up-to-date subversion should be used and not an arcane one from the base distro / OS). Is there a specific reason why ikiwiki wipes out `$PATH` like this or could that line be improved to