[PATCH 0/6] {maint} Graphviz improvements

[Theophile Ranquet]

These patches add a feature to Bison's Graphviz output (the reductions
display), and document the corresponding --graph option.

Theophile Ranquet (6):
  obstack: import obstack_finish0 from master
  graphs: style: prefix rules and change shapes
  graphs: style: use left justification for states
  graphs: style: prefix state number with "state"
  graphs: show reductions
  graphs: documentation

 NEWS                        |   8 ++++
 TODO                        |  13 ++++++
 doc/Makefile.am             |  24 ++++++++++
 doc/bison.texi              | 111 ++++++++++++++++++++++++++++++++++++++++++++
 doc/figs/example-reduce.dot |  10 ++++
 doc/figs/example-reduce.txt |  14 ++++++
 doc/figs/example-shift.dot  |   7 +++
 doc/figs/example-shift.txt  |  13 ++++++
 src/graphviz.c              | 111 +++++++++++++++++++++++++++++++++++++++++++-
 src/graphviz.h              |  18 ++++++-
 src/print_graph.c           |  64 +++++++++++++++----------
 src/system.h                |   3 ++
 12 files changed, 368 insertions(+), 28 deletions(-)
 create mode 100644 doc/figs/example-reduce.dot
 create mode 100644 doc/figs/example-reduce.txt
 create mode 100644 doc/figs/example-shift.dot
 create mode 100644 doc/figs/example-shift.txt

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1.7.11.4