Use diff-mode for quilt diff output. This is based on https://github.com/rotty/dotfiles/commit/f4309ecf604d48be8941ccb38af831f9732fa8e0 by Andreas Rottmann <a.rottmann@gmx.at>
Make quilt.el a package. This is based on https://github.com/rotty/dotfiles/commit/f4309ecf604d48be8941ccb38af831f9732fa8e0 by Andreas Rottmann <a.rottmann@gmx.at>
suggest to use (provide 'quilt)