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This mixes the subset construction (for 1-state rejecting SCCs) and
the breakpoint construction (for larger rejecting SCCs).  The
algorithm should probably be rewritten in a cleaner and more efficient
way, but that should do for a first version.  It should be easy to
extend it to support Büchi acceptance (since the breakpoint
construction works for this) when we need it.

* spot/twaalgos/alternation.hh,
spot/twaalgos/alternation.cc (remove_alternation): New function.
* tests/python/alternation.ipynb: New file.
* tests/Makefile.am, doc/org/tut.org: Add it.

* spot/twaalgos/sccinfo.cc: Consider universal edges as if they were
existential edges.
* spot/twaalgos/sccinfo.hh: Document that.
* spot/twaalgos/dot.cc: Allow option 's' again, for easy testing.
* tests/core/alternating.test: Adjust tests.
* tests/python/_altscc.ipynb: New file (more tests).
* tests/Makefile.am: Add it.

* spot/twaalgos/dot.cc: Handle universal destinations.
Ignore option 's' for alternating automata.
* tests/core/alternating.test: New file.
* tests/Makefile.am: Add it.

This only allows creating universal edges, and reading the associated
destinations.

* spot/twa/twagraph.hh (new_univ_edges, univ_dests, is_alternating): New
function.
* python/spot/impl.i: Add Python bindings.
* tests/python/alternating.py: New file.
* tests/Makefile.am: Add it.

Fixes #195.

* tests/ltsmin/check.test: Extract the spins and gal checks
and move them to...
* tests/ltsmin/check2.test, tests/ltsmin/check3.test: ... these files.
* tests/Makefile.am: Adjust.

* spot/ltsmin/ltsmin.cc: Handle GAL models.
* tests/Makefile.am: Test the new feature.
* tests/ltsmin/check.test: Also check GAL.
* tests/ltsmin/beem-peterson.4.gal: A new GAL model for tests.
* tests/ltsmin/finite.gal: A new GAL model for tests.
* tests/ltsmin/finite3.test: A new test for GAL.

Suggested by Juraj Major.

* spot/twaalgos/sccfilter.cc: Here.
* tests/python/sccfilter.py: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the news.

Reported by Juraj Major.

* spot/twa/twa.hh: check num_sets() in prop_state_acc() so we do not
have to set it in set_acceptance(), causing trouble if set_acceptance()
is called multiple times.
* tests/python/setacc.py: New test case.
* tests/Makefile.am: Add it.
* THANKS: Add Juraj.
* NEWS: Mention the bug.

* tests/Makefile.am: Run Python tests before other tests.
* tests/python/ipnbdoctest.py: Add some debug.

Fixes #187.

* spot/tl/ltlf.cc, spot/tl/ltlf.hh: New files.
* spot/tl/Makefile.am: Add them.
* bin/ltlfilt.cc: Add a new option.
* bin/man/ltlfilt.x: Add bibliographic reference.
* tests/core/ltlfilt.test: Add more tests.
* tests/python/ltlf.py: New file.
* tests/Makefile.am: Add it.
* python/spot/impl.i: Python bindings.
* NEWS: Mention it.

This fixes the incorrect output of tgba_determinize() reported yesterday
by Reuben Rowe.

* spot/twaalgos/simulation.cc: Do not purge unreachable states when
recording implications.
* tests/python/bugdet.py: New test case.
* tests/Makefile.am: Add it.
* THANKS: Add Reuben.
* NEWS: Mention the bug.

* NEWS: Mention those.
* bin/common_output.cc, bin/common_output.hh: Implement them.
* bin/genltl.cc, bin/ltlfilt.cc, bin/ltlgrind.cc, bin/randltl.cc: Update
--help.
* tests/core/format.test: New file.
* tests/Makefile.am: Add it.
* doc/org/ioltl.org, doc/org/ltlfilt.org: Update documentation.

* tests/core/full.test: New file.
* tests/Makefile.am: Add it.
* bin/autfilt.cc, bin/common_aoutput.cc, bin/common_aoutput.hh,
bin/common_file.cc, bin/common_file.hh, bin/genltl.cc, bin/ltlcross.cc,
bin/ltlfilt.cc, bin/ltlgrind.cc, bin/randltl.cc: Add diagnostics.
* NEWS: Mention the fix.

Fixes #174.

* spot/twaalgos/totgba.hh, spot/twaalgos/totgba.cc
(to_generalized_streett, to_generalized_rabin): New functions.
* spot/twa/acc.hh: Declare more methods as static.
* bin/autfilt.cc: Implement --generalized-rabin and
--generalized-streett options.
* NEWS: Mention these.
* tests/core/gragsa.test: New file.
* tests/Makefile.am: Add it.

* configure.ac (USE_LTSMIN): New.
* tests/Makefile.am: Use it.

The streett_to_generalized_buchi() function was not tested unless
ltl2dstar is installed.

* tests/core/streett.test: New file.
* tests/Makefile.am: Add it.

* bin/genltl.cc: Implement these options.
* NEWS: Mention them.
* tests/core/genltl.test: New file with test cases.
* tests/Makefile.am: Add it.

* spot/misc/optionmap.hh, spot/misc/optionmap.cc (report_unused_options,
set_, set_set_): New methods.
* bin/autfilt.cc, bin/dstar2tgba.cc, bin/ltl2tgba.cc,
bin/ltl2tgta.cc: Call report_unused_options().
* tests/core/ltlcross2.test, tests/core/readsave.test: Fix typos in
options.
* tests/core/minusx.test: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention this.

* tests/python/atva16-fig2a.ipynb, tests/python/atva16-fig2b.ipynb: New
files.
* tests/Makefile.am, doc/org/tut.org: Add them.

* tests/python/atva16-fig2a.ipynb, tests/python/atva16-fig2b.ipynb: New
files.
* tests/Makefile.am, doc/org/tut.org: Add them.

Fixes #162.

* python/spot/ltsmin.i: Implement the magic.
* NEWS: Mention it.
* tests/python/ltsmin-pml.ipynb: New file.
* tests/Makefile.am, doc/org/tut.org: Add it.
* tests/python/ipnbdoctest.py: Adjust.

* tests/python/ltsmin.ipynb: Rename as ...
* tests/python/ltsmin-dve.ipynb: ... this.
* doc/org/tut.org, tests/Makefile.am: Adjust.

Fixes #166.

* bin/genltl.cc: Add option --dac-patterns, --eh-patterns,
--sb-patterns.
* NEWS, bin/man/genltl.x, doc/org/genltl.org: Document them.
* bench/ltl2tgba/formulae.ltl: Delete.
* bench/ltl2tgba/known: Use genltl instead.
* bench/ltl2tgba/Makefile.am, bench/ltl2tgba/README: Update.
* tests/core/ltl2tgba2.test: New test case, using genltl.
* tests/Makefile.am: Add it.

Fixes #158, reported by Laurent Xu.

* tests/Makefile.am (TESTS_python): Move word.ipynb...
(TESTS_ipython): ... here.

Suggested by Matthias Heizmann. Fixes #109.

* NEWS: notify the new option
* THANKS: add Matthias Heizmann
* bin/autfilt.cc: add new option --accept-word=WORD which filters
automata that accept WORD
* doc/org/autfilt.org: add an example of the new option
* tests/Makefile.am: add core/acc_word.test to the list of test files
* tests/core/acc_word.test: test some uses of the new option

* tests/Makefile.am (nb-html): Only work on the subset of the notebooks
we want to show.
* debian/python3-spot.examples: Ignore _*.ipynb files.

Fixes #152, reported by Valentin Iovene.

* spot/twa/twaproduct.cc (~twa_product): Delete iter_cache_.
* tests/python/otfcrash.py: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the bug.

* python/spot/aux.py: Catch errors from dot and signal them.
* tests/python/_aux.ipynb: New file.
* tests/Makefile.am: Add it.
* tests/sanity/ipynb.pl: Support the convention that tests starting with
'_' should not be published on the web site.

* bin/autfilt.cc: Implement the option.
* tests/core/included.test: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the new option.

* spot/twa/twasafracomplement.cc, spot/twa/twasafracomplement.hh,
tests/core/complementation.cc: Delete.
* tests/Makefile.am, spot/twa/Makefile.am: Adjust.
* tests/core/complementation.test: Rewrite using the new determinization
code.
* python/spot/impl.i: Do not mention twa_safra_complement anymore.
* NEWS: Mention the removal.

* src/tests/safra.cc, src/twaalgos/safra.cc,
src/twaalgos/safra.hh, src/tests/safra.test: Rename as...
* spot/twaalgos/safra.cc, spot/twaalgos/safra.hh, tests/core/safra.cc
tests/core/safra.test: ... these.
* tests/Makefile.am: Update.

* python/spot/impl.i (highlight_state, highlight_edge): New function.
* python/spot/__init__.py (highlight_states, highlight_edges): New
functions.
* spot/twaalgos/dot.cc: Add a '#' option.
* spot/taalgos/dot.cc: Ignore '#'.
* tests/python/highlighting.ipynb: New file to illustrate everything.
* tests/Makefile.am, doc/org/tut.org: Add it.

Fix #128.

* tests/Makefile.am: Make these check_PROGRAMS.
* bench/emptchk/Makefile.am: Adjust.
* bench/emptchk/README, bench/emptchk/defs.in: Fix paths.

Fixes #135.

* tests/core/parse_print_test.cc: Rename as...
* tests/core/kripkecat.cc: ... this.
* tests/Makefile.am, tests/core/.gitignore, tests/core/kripke.test,
tests/ltsmin/kripke.test: Adjust.

Fixes #133.

* python/spot/impl.i: Add bindings for twa_word.  Add a __repr__
for twa_run, and instantiate templates for twa_run's members.
* tests/python/word.ipynb: New file with examples.
* tests/Makefile.am, doc/org/tut.org: Add it.

* spot/twaalgos/dot.cc: Implement it.
* spot/taalgos/dot.cc: Ignore it.
* spot/twaalgos/copy.cc, spot/twaalgos/copy.hh: Add option
to limit the number of states.
* tests/python/ltsmin.ipynb: Improve test case.
* tests/Makefile.am: Cleanup the files generated by ltsmin.ipynb.
* python/spot/__init__.py (setup): Add a max_states argument
that default to 50.
* bin/common_aoutput.cc: Mention the <INT option.
* NEWS: Likewise.

* python/spot/ltsmin.i: New file.
* python/Makefile.am: Add it.
* python/spot/impl.i: Add bindings for kripke and fair_kripke.
* tests/python/ltsmin.ipynb: New file.
* tests/Makefile.am, doc/org/tut.org: Add it.
* tests/python/ipnbdoctest.py: Make it possible for notebook
to exit(77).
* debian/control: Make the Python package dependent
on libspotltsmin0.
* python/spot/__init__.py: Typo.