Fix a couple of small bugs in the parsing of todo lists

Phillip Wood (2):
  rebase -i: match whole word in is_command()
  rebase -i: fix parsing of "fixup -C<commit>"

 sequencer.c                     | 18 ++++++++----------
 t/lib-rebase.sh                 | 10 +++++++---
 t/t3404-rebase-interactive.sh   | 12 +++++++-----
 t/t3437-rebase-fixup-options.sh | 26 ++++++++++++++++++++++++++
 t/test-lib-functions.sh         |  8 ++++++++
 5 files changed, 56 insertions(+), 18 deletions(-)

base-commit: 06dd2baa8da4a73421b959ec026a43711b9d77f9

Submitted-As: https://lore.kernel.org/git/pull.1486.git.1677185701.gitgitgadget@gmail.com