* python/spot/impl.i: Here.
* tests/python/declenv.py: New file.
* tests/Makefile.am: Add it.

* spot/parsetl/parsetl.yy (parse_ap, sere_ensure_bool,
error_false_block): New functions, replacing several similar blocks.

Fixes #231.

* NEWS: Mention of implementation of sum, sum_and.
* bin/autfilt.cc: Add --sum, --sum-or and --sum-and options.
* python/spot/impl.i: Add bindings for sum, sum_and.
* spot/twaalgos/Makefile.am: Add sum.cc, sum.hh.
* spot/twaalgos/sum.cc: Implement sum, sum_and.
* spot/twaalgos/sum.hh: Declaration of sum, sum_and.
* tests/Makefile.am: Add sum tests.
* tests/core/explsum.test: Test the sum of two automatons,
  false or false, unsatisfied mark propagation, handling of univ.
  transitions.
* tests/python/sum.py: Check that two automatons that does not
  share their bdd dict are not accepted, then run tests over the
  sum of randomly generated LTL formulas.

* python/spot/impl.i: Here.
* NEWS: Mention it.

* doc/org/upgrade2.org, tests/python/prodexpt.py,
tests/python/product.ipynb, NEWS: Fix typos.
* tests/sanity/style.test: Add a check for this.

* spot/twaalgos/degen.cc: Make use_cust_acc_orders as unlikely, as it
was never true in the whole test suite before this patch.
* tests/core/ltlcross2.test: Play with degen-order and degen-lcache
options to test more cases.

Follow-up to an email from Ayrat Khalimov.

* python/spot/impl.i: Include twa/formula2bdd.hh.
* python/spot/__init__.py: Make the dictionnary
optional.
* spot/twa/formula2bdd.cc: Throw an exception instead of asserting.
* tests/python/bdditer.py: New file.
* tests/Makefile.am: Add it.
* NEWS: Update.

* spot/twa/twagraph.hh: Here.
* NEWS: Mention the change.

The goal is to improve coverage stats, but I discovered two issues
while doing so.

* tests/python/twagraph.py: New test case.
* tests/Makefile.am: Add it.
* spot/twa/twagraph.hh: Add fix typos in error messages.
* python/spot/impl.i: Fix broken wrappers for state_from_number and
state_acc_sets.

This very old test did not do anything useful today.

* tests/core/ltlprod.cc, tests/core/ltlprod.test: Delete.
* tests/Makefile.am: Adjust.

Fixes #239.

* spot/twaalgos/postproc.hh, spot/twaalgos/translate.hh: Here.

Reported by Thomas Medioni.

* spot/twa/twagraph.hh (set_univ_init_state): Remove the bogus
template parameter.
* tests/core/twagraph.cc, tests/core/tgbagraph.test: Test the method.
* NEWS: Mention the bug.

Fixes #241.

* spot/twaalgos/postproc.cc: Use the deterministic monitor if it
has as many states as the non-deterministic one.
* spot/twaalgos/minimize.cc (minimize_monitor): Quickly check
for terminal automata.
* spot/twaalgos/stripacc.cc: Set the weak property.
* spot/twaalgos/stripacc.hh: Improve documentation.
* tests/core/monitor.test, tests/core/sbacc.test: Update.
* NEWS: Mention the issue.

* doc/org/tut10.org: Remove a couple of useless includes.

Part of #239.

* doc/org/tut11.org: New file.
* doc/org/ltl2tgba.org, doc/org/hierarchy.org: Add some anchors we can
link to in tut11.org.
* doc/org/tut.org, doc/Makefile.am: Add tut11.org.
* NEWS: Mention the new page.

Fixes #240.

* spot/twaalgos/postproc.cc: Do not call do_simul on the output of
minimize_monitor(), and do not skip complete() when PREF_==Any.
* tests/core/monitor.test: Add a test case.
* NEWS: Mention the bug.
* doc/org/ltl2tgba.org: Document complete monitors.

This avoids a few conversion problems, and also made the bug of
sbacc (fixed by 37fc948b) obvious.

Reported by Thomas Medioni.

* spot/twa/acc.hh (mark_t::operator bool): Make it explicit.
* spot/twaalgos/remfin.cc: Adjust.

* spot/twaalgos/sbacc.cc: Do not assign to one_in twice, and
fix the value of init_acc.
* tests/core/sbacc.test: Add a test case.
* NEWS: Mention the bug.

Fixes #238.

* spot/twa/acc.hh (max_set): Add a version using __builtin_clz().
(min_set): New method.
* tests/core/acc.cc, tests/core/acc.test: Add some tests.

Fixes #237.

* bin/genltl.cc: Fix the numbering of options.
* NEWS: Mention the bugs.

* bin/common_aoutput.cc, bin/common_aoutput.hh, bin/common_output.cc,
bin/common_output.hh: Add options to %x to list atomic propositions
with various quoting scheme.  Deprecate --format=%a in favor of the
new --format=%x for consistency with --stats=%x.
* tests/core/format.test, tests/core/remprop.test: Adjust and add more
tests.
* NEWS: Mention these changes.

Fixes #236.

* bin/common_aoutput.cc: Fix it.
* tests/core/format.test: Improve test cases.
* NEWS: Mention the bug.

Fixes #235, reported by Henrich Lauko.

* python/spot/ltsmin.i: Catch CalledProcessError.
* NEWS: Mention the bug.
* THANKS: Add Henrich.

* bin/common_aoutput.cc, bin/common_aoutput.hh: Implement %x and %X.
* tests/core/remprop.test: Test them.
* NEWS: Mention them.

* spot/twaalgos/powerset.cc (tgba_powerset): Use twa::ap() to simplify
the code.
(number_of_variables): Remove.

* tests/python/decompose.ipynb: Add about `decompose_scc`.
* doc/org/tut.org: Update description.

Put what is done by `autfilt` in a new function, `decompose_acc_scc`.

* bin/autfilt.cc: Move code from here...
* spot/twaalgos/strength.cc, spot/twaalgos/strength.hh: To here.
* tests/python/decompose_scc.py: Test python binding.

See #172.

* bin/autfilt.cc: Add option.
* tests/core/strength.test: Remove ambiguity with
'--decompose-strength'.
* NEWS: Mention it.
* tests/core/scc.test: Test it.

See #172.
While at it, fix typo in doxygen comment.

* spot/twaalgos/strength.cc, spot/twaalgos/strength.hh: New function.
* tests/python/decompose_scc.py, tests/Makefile.am: Test python
binding.

* spot/twaalgos/mask.hh: Fix typo.

Related to #172, where we discussed that scc_info bindings were
missing.

* spot/twaalgos/sccinfo.hh (spot::scc_info::scc_node): Move...
(spot::scc_info_node): ... here to help Swig.
* python/spot/impl.i: Add bindings for scc_info.
* tests/python/sccinfo.py: New file.
* tests/Makefile.am: Add it.

* configure.ac, NEWS, doc/org/setup.org: Bump version numbers.

* bin/genltl.cc: Change the name and add the bibtex entry.
* bin/man/genltl.x: Replace LNCS by LNAI.
* tests/core/genltl.test: Also test the %F output.

* bin/genltl.cc: Shorten the descriptions of
the three new LTL families.
* NEWS: Mention those.