-You can specify extra mail header lines to be added to each message
-in the repository configuration, new defaults for the subject prefix
-and file suffix, control attachments, and number patches when outputting
-more than one.
+You can specify extra mail header lines to be added to each message,
+defaults for the subject prefix and file suffix, number patches when
+outputting more than one patch, add "Cc:" headers, configure attachments,
+and sign off patches with configuration variables.