Stephen J Turnbull <turnbull(a)sk.tsukuba.ac.jp&gt; writes: There are no conflicts at present. The one potential place where we have a conflict is in the sounds-au and sounds-wav packages. I rejected a patch that would have made a conflict in the README files. There should be no conflicts by definition in lisp/. If there is a conflict, then it is a package upgrade and it will be handled by the mechanism I described. It is an unwritten golden rule that packages only touch one lisp directory. sb> We could save either the list of files or a machine-generated sb> deletion shell script. The former would be more flexible. No, it won't be. Deletion will be the *most* common thing done in 21.0. I strongly suspect nearly everyone will attempt loading the SUMO/相撲 tarball first and then want to delete the stuff they don't want -- just as always has been the case. Agreed about having flexibility. sb> This won't completely work for de-installation because we need sb> things to work somewhat even if the MANIFEST files get sb> misplaced[1]. sb> Footnotes: sb> [1] Do we really? That's officially unsupported anyway. You're on your own and if things break you get to keep both pieces.