Merge branch 'jc/send-email'

* jc/send-email:
  Make git-send-email detect mbox-style patches more readily
  git-send-email: real name with period need to be dq-quoted on From: line
  git-send-email: do not drop custom headers the user prepared

diff --cc git-send-email.perl
index 04c89422523a9272bd1ba9c3020cb12db0018cfa,eb91270898fe3e961cea626e5e43be85a08ba51d..b17d2619875112215465c7399fa30e592ed71b01
--- 1/git-send-email.perl
--- 2/git-send-email.perl
+++ b/git-send-email.perl
@@@ -424,10 -427,11 +429,13 @@@ X-Mailer: git-send-email $gitversio
                $header .= "In-Reply-To: $reply_to\n";
                $header .= "References: $references\n";
        }
+       if (@xh) {
+               $header .= join("\n", @xh) . "\n";
+       }
  
 -      if ($smtp_server =~ m#^/#) {
 +      if ($dry_run) {
 +              # We don't want to send the email.
 +      } elsif ($smtp_server =~ m#^/#) {
                my $pid = open my $sm, '|-';
                defined $pid or die $!;
                if (!$pid) {