Hi, I am the maintainer of both packages. Musescore has moved to git from svn upstream. The only reason I kept -svn package is -git package doesn't include a offline document. Since the -git version doesn't seem to use those .pdf document anyway, I think it is save to remove -svn package now.
links: https://aur.archlinux.org/packages/musescore-svn/ https://aur.archlinux.org/packages/musescore-git/ Yichao Yu
