[bug#43946] [PATCH] doc: Add item to "Submitting Patches" section.

[zimoun]

* 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.
+
 @item
 If the authors of the packaged software provide a cryptographic
 signature for the release tarball, make an effort to verify the

base-commit: e746d30ec15852ec50e4247ea0a07ab2a9a69aa8
-- 
2.28.0