Hi, zimoun writes: > * doc/contributing.texi (Submitting Patches): Add item about 'git-format-patch > --base'. > --- > doc/contributing.texi | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/doc/contributing.texi b/doc/contributing.texi > index af3601442e..5ea3cb1899 100644 > --- a/doc/contributing.texi > +++ b/doc/contributing.texi > @@ -932,6 +932,12 @@ Before submitting a patch that adds or modifies a package definition, > please run through this check list: > > @enumerate > +@cindex @code{git format-patch} > +@cindex @code{git-format-patch} > +@item > +We recommend to use the command @code{git format-patch --base} to > +include the commit where your patch applies. “git format-patch” already mentioned in the documentation in the first paragraph https://guix.gnu.org/manual/en/html_node/Submitting-Patches.html Do I miss something? Fill free to reopen the issue ;-) Oleg.