shortlog: ignore commits with missing authors

diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt
index 0c91aba86182f91206fcba5470b7202e4496f073..da746419b355a4b5d49b23ed51e3d4aa89d8c2c1 100644 (file)
--- a/Documentation/gitremote-helpers.txt
+++ b/Documentation/gitremote-helpers.txt
@@ -174,8 +174,8 @@ ref.
 This capability can be advertised multiple times.  The first
 applicable refspec takes precedence.  The left-hand of refspecs
 advertised with this capability must cover all refs reported by
-the list command.  If no 'refspec' capability is advertised,
-there is an implied `refspec *:*`.
+the list command.  If a helper does not need a specific 'refspec'
+capability then it should advertise `refspec *:*`.
 
 'bidi-import'::
        This modifies the 'import' capability.
@@ -202,6 +202,10 @@ there is an implied `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'.