shortlog: ignore commits with missing authors

diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt
index f506031ae49070e216e71914d8ef241da58430e1..da746419b355a4b5d49b23ed51e3d4aa89d8c2c1 100644 (file)
--- a/Documentation/gitremote-helpers.txt
+++ b/Documentation/gitremote-helpers.txt
@@ -202,6 +202,10 @@ capability then it should advertise `refspec *:*`.
        marks specified in <file> before processing any input. For details,
        read up on '--import-marks=<file>' in linkgit:git-fast-export[1].
 
+'signed-tags'::
+       This modifies the 'export' capability, instructing Git to pass
+       '--signed-tags=verbatim' to linkgit:git-fast-export[1].  In the
+       absence of this capability, Git will use '--signed-tags=warn-strip'.