main working copy:
readonly
svn checkout http://btg.svn.sourceforge.net/svnroot/btg/trunk
read-write
svn checkout https://btg.svn.sourceforge.net/svnroot/btg/trunk
svnsync-ed mirror:
readonly
svn checkout http://svn.code.sf.net/p/btg/code/trunk
svn checkout svn://svn.code.sf.net/p/btg/code/trunk
sync
svnsync sync svn+ssh://svn.code.sf.net/p/btg/code
https://sourceforge.net/p/forge/community-docs/Subversion/?version=3
deb http://btg.sf.net/debian/ main stable unstable
deb http://btg.sf.net/debian/ other stable unstable
apt-key: http://btg.sf.net/debian/public_key.asc
deb http://btg.sf.net/debian-old/ unstable main
apt-key http://btg.sf.net/debian-old/public_key.asc
http://btg.sf.net/libclinkcc-1.7.1-5.tar.gz
see btg_bugs_features_patches.txt attached file