[PATCH v6 0/2] send-email: expose header information to git-send-email's sendemail-validate hook

Thank you for all the great feedback! At your suggestion I improved the test for the header argument and the documentation.

Michael Strawbridge (2):
  send-email: refactor header generation functions
  send-email: expose header information to git-send-email's
    sendemail-validate hook

 Documentation/githooks.txt | 29 ++++++++++++--
 git-send-email.perl        | 80 +++++++++++++++++++++++++-------------
 t/t9001-send-email.sh      | 47 +++++++++++++++++++++-
 3 files changed, 122 insertions(+), 34 deletions(-)