doc: Add a note about closing bug threads.

* doc/contributing.texi (Submitting Patches): Add a note about closing bug
threads by mailing to NNN-done@debbugs.gnu.org.

Suggested-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

diff --git a/doc/contributing.texi b/doc/contributing.texi
index 323b016..1b1875f 100644 (file)
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -436,6 +436,9 @@ You are advised to pay attention if your email client changes anything
 like line breaks or indentation which could potentially break the
 patches.
 
+When a bug is resolved, please close the thread by sending an email to
+@email{@var{NNN}-done@@debbugs.gnu.org}.
+
 @unnumberedsubsec Sending a Patch Series
 @anchor{Sending a Patch Series}
 @cindex patch series