[PATCH 0/7][Outreachy] Improve the 'fixup [-C | -c]' in interactive rebase

This patch series is build on the top of "cm/rebase-i" in the 'next' branch and
improves it. It fixup the source code of 'fixup [-C | -c]' command in the
sequencer, do some fixes in rebase -i, improves the 'fixup_-C' like commands
in lib-rebase.sh, update the test-script 't3437' and fixes a typo in the
documentation.

(Thanks to Junio C Hamano, Eric Sunshine, Christian Couder and Phillip Wood
for the suggestions and guidance for this patch series)

Charvi Mendiratta (7):
  sequencer: fixup the datatype of the 'flag' argument
  sequencer: rename a few functions
  rebase -i: clarify and fix 'fixup -c' rebase-todo help
  t/lib-rebase: change the implementation of commands with options
  t3437: fix indendation of the here-doc
  t/t3437: update the tests
  doc/rebase -i: fix typo in the documentation of 'fixup' command

 Documentation/git-rebase.txt    |   2 +-
 rebase-interactive.c            |   6 +-
 sequencer.c                     |  23 +++---
 t/lib-rebase.sh                 |   8 +-
 t/t3437-rebase-fixup-options.sh | 140 +++++++++++++++++---------------
 5 files changed, 93 insertions(+), 86 deletions(-)

--
2.29.0.rc1