[PATCH V5 00/17] Reroll a version 5 of this series

Changes:
1. Fix all format problems;
2. Split the "too long" lines in multiple lines;
3. '$' to represent the last line of a file;
4. Error string change;
5. Add more comments;
6. Combine test cases together;
7. Struct name change

Bo Yang (17):
  parse-options: enhance STOP_AT_NON_OPTION
  parse-options: add two helper functions
  Add the basic data structure for line level history
  Refactor parse_loc
  Parse the -L options
  Export three functions from diff.c
  Add range clone functions
  map/take range to the parent of commits
  Print the line log
  Hook line history into cmd_log, ensuring a topo-ordered walk
  Make rewrite_parents public to other part of git
  Make graph_next_line external to other part of git
  Add parent rewriting to line history browser
  Add --graph prefix before line history output
  Add --full-line-diff option
  Add tests for line history browser
  Document line history browser

 Documentation/blame-options.txt     |   19 +-
 Documentation/git-log.txt           |   15 +
 Documentation/line-range-format.txt |   18 +
 Makefile                            |    2 +
 builtin/blame.c                     |   89 +--
 builtin/log.c                       |  113 +++-
 diff.c                              |    6 +-
 diff.h                              |   17 +
 graph.c                             |   14 +-
 graph.h                             |   10 +
 line.c                              | 1551 +++++++++++++++++++++++++++++++++++
 line.h                              |  141 ++++
 parse-options.c                     |   22 +-
 parse-options.h                     |    7 +-
 revision.c                          |   25 +-
 revision.h                          |   23 +-
 t/t4301-log-line-single-history.sh  |  627 ++++++++++++++
 t/t4302-log-line-merge-history.sh   |  163 ++++
 18 files changed, 2733 insertions(+), 129 deletions(-)
 create mode 100644 Documentation/line-range-format.txt
 create mode 100644 line.c
 create mode 100644 line.h
 create mode 100755 t/t4301-log-line-single-history.sh
 create mode 100755 t/t4302-log-line-merge-history.sh