# layman -a mozilla
* Running command "/usr/bin/svn co http://overlays.gentoo.org/svn/proj/mozilla/ /usr/portage/local/layman/mozilla"...
svn: REPORT request failed on '/svn/proj/mozilla/!svn/vcc/default'
svn: REPORT of '/svn/proj/mozilla/!svn/vcc/default': 400 Bad Request (http://overlays.gentoo.org)
* Failed to add overlay "mozilla".
* Error was: Adding the overlay failed!