[PATCH v2 0/5] nd/maint-branch-desc-doc reroll

 - move the comment in 5/5 into the commented code block
 - resolve branch name for "HEAD" in 4/5

Nguyễn Thái Ngọc Duy (5):
  config.txt: a few lines about branch.<name>.description
  branch: delete branch description if it's empty
  t4014: a few more tests on cover letter using branch description
  format-patch: pick up correct branch name from symbolic ref
  format-patch: pick up branch description when no ref is specified

 Documentation/config.txt |  6 ++++++
 builtin/branch.c         |  2 +-
 builtin/log.c            | 33 ++++++++++++++++++++-------------
 t/t4014-format-patch.sh  | 42 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 69 insertions(+), 14 deletions(-)