+[submodule "debbugs"]
+ path = lib/debbugs
+ url = https://github.com/emacsmirror/debbugs.git
+ # debbugs creates a `instructions.info' info file, which makes git
+ # think that the submodule is dirty. so, let's ignore the
+ # untracked files of debbugs' submodule
+ ignore = untracked