* doc/org/spot.css: Use bold for "def", "from", "import".
* doc/org/init.el.in: Prevent tabs from being inserted when the code
is indented before export.
Inspired by #375.
* README: Add a section about troubleshooting installations. Mention
GraphViz as optional dependency.
* doc/org/install.org: Mention the troubleshooting section from INSTALL.
* spot/graph/graph.hh, spot/twa/twagraph.hh, spot/twa/twagraph.cc:
Implement a dump_storage_as_dot() method.
* python/spot/__init__.py (twa_graph.show_storage): New method, above
dump_storage_as_dot().
* tests/python/twagraph-internals.ipynb: New file, with documentation
about the twa_graph internals, using show_storage() to illustrate
everything.
* tests/Makefile.am, doc/org/tut.org: Add it.
* python/spot/impl.i: Add bindings for out_iterasor, demonstrated in
the Python notebook.
* spot/twa/twa.hh: Add prop_reset(). Used in the notebook.
* NEWS: Mention the new notebook and function.
* doc/org/tut50.org: Link to the notebook.
* tests/python/ipnbdoctest.py: Adjust for twa_graph_ptr being
redefined in the spot namespace.
* doc/org/tools.org: Adjust the link to ltl2tgba.org.
* doc/org/ltl2tgba.org: Also point out that --generic and --parity can
be used without --deterministic.
* bin/ltl2tgba.cc, bin/spot.cc: Adjust help text.
* spot/twaalgos/translate.cc, spot/twaalgos/translate.hh: Build
automata with generic acceptance by doing product of automata for
smaller subformulas.
* bin/spot-x.cc: Mention ltl-split.
* NEWS: Mention the change, and show some results.
* tests/core/genltl.test, tests/python/_product_susp.ipynb,
tests/python/highlighting.ipynb: Adjust test cases.
* doc/org/ltl2tgba.org: Update.
* tests/core/gragsa.test: Add another formula to cover more
code.
* spot/twaalgos/contains.hh, spot/twaalgos/contains.cc: New files.
* spot/twaalgos/Makefile.am, python/spot/impl.i: Add them.
* python/spot/__init__.py: Also attach these functions as methods,
and support string arguments.
* tests/python/contains.ipynb: New file.
* tests/Makefile.am, doc/org/tut.org: Add it.
* bin/autfilt.cc, tests/python/streett_totgba.py, tests/python/sum.py,
tests/python/toweak.py: Use the new function.
Fixes#327.
* spot/twaalgos/dot.cc: Emit a tooltip="..." for state names and
labels that are disabled by option "1".
* doc/org/tut51.org, tests/python/product.ipynb, NEWS: Discuss this.
* tests/core/readsave.test, tests/python/alternation.ipynb,
tests/python/automata.ipynb: Adjust test cases.
This is needed so that SVG files are included as an <object...> rather
than as an <img...>, which in turn is needed to ensure SVG tooltips
will work. We do not explicitly require org-mode 9.1, but we install
it if it is not present.
* HACKING: Mention the requirement.
* doc/org/.dir-locals.el.in, doc/org/init.el.in, doc/org/spot.css:
Adjust to org-mode 9.1.
* doc/Makefile.am: Run emacs with the site-lisp libraries, in
case it contains a more recent org-mode.
* elisp/ob-dot.el: Delete, this was a work around older versions.
* elisp/Makefile.am: Adjust.
