* spot/tl/contain.cc, spot/tl/contain.hh: Simplify the
use of language_containment_checker by adding default argument.
* python/spot/__init__.py, python/spot/impl.i: Bind it in Python.
* doc/org/tut04.org: New file to illustrate it.
* doc/org/tut.org, doc/Makefile.am: Add it.
* NEWS: Mention those changes.

Fixes #178.

* doc/org/satmin.org: Use a different example, where tba-det does not
work.  Also adjust the text to automatically adjust to the size of the
produced automata.

* doc/org/concepts.org: Enlarge the width of the output of pr so that
the output is not truncated.  It add a missing closing brace.

Final part of #176.

* python/ajax/trans.html: Here.

* doc/org/init.el.in, doc/org/.dir-locals.el.in: Here.

Part of #176.

* doc/org/autfilt.org, doc/org/compile.org, doc/org/concepts.org,
doc/org/csv.org, doc/org/dstar2tgba.org, doc/org/genltl.org,
doc/org/hoa.org, doc/org/install.org, doc/org/ioltl.org,
doc/org/ltl2tgba.org, doc/org/ltl2tgta.org, doc/org/ltlcross.org,
doc/org/ltldo.org, doc/org/ltlfilt.org, doc/org/ltlgrind.org,
doc/org/oaut.org, doc/org/randaut.org, doc/org/randltl.org,
doc/org/satmin.org, doc/org/tools.org, doc/org/tut.org,
doc/org/tut01.org, doc/org/tut02.org, doc/org/tut03.org,
doc/org/tut10.org, doc/org/tut20.org, doc/org/tut21.org,
doc/org/tut22.org, doc/org/tut30.org, doc/org/upgrade2.org: Here.
* doc/org/index.org: Also add keywords in case it is useful, and
use a more descripting title for search engines.

Seen on arch linux when clang++ 3.7.1 uses GCC's 6.1.1 tuple header.

* spot/twaalgos/ltl2tgba_fm.cc (ratexp_to_dfa::succ): Build the return
type explicitly.
* NEWS: Mention the issue.

* NEWS, configure.ac, doc/org/setup.org: Update.

Fixes #165.

* spot/twaalgos/isdet.cc, spot/twaalgos/strength.cc: Here.
* spot/twaalgos/isdet.hh, spot/twaalgos/strength.hh, NEWS: Document it.
* spot/twaalgos/hoa.cc: Fix output of negated properties.
* tests/core/readsave.test: New test case.

* bench/ltl2tgba/Makefile.am, bench/ltl2tgba/defs.in:
Update location of tools.
* NEWS: Mention the fix.

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.

* bench/ltl2tgba/Makefile.am, bench/ltl2tgba/defs.in:
Update location of tools.
* NEWS: Mention the fix.

Suggested by Akim Demaille.  Fixes #171.

* bin/man/spot.x, bin/spot.cc: New files.
* bin/man/Makefile.am, bin/Makefile.am: Add them.
* doc/org/tools.org, NEWS: Mention the new page.

* doc/org/spot.css: Here.

Suggested by Akim Demaille.  Fixes #171.

* bin/man/spot.x, bin/spot.cc: New files.
* bin/man/Makefile.am, bin/Makefile.am: Add them.
* doc/org/tools.org, NEWS: Mention the new page.

* doc/org/spot.css: Here.

Fixes #168.

* python/spot/__init__.py: Implement it.
* tests/python/formulas.ipynb: Test it.
* NEWS: Mention it.

Part of #168.

* spot/misc/formater.cc: Adjust to support bracketed options.
* bin/common_trans.hh, bin/common_trans.cc: Use that to
support rewriting operators.
* doc/org/ltlcross.org, tests/core/ltldo.test: Add some examples.
* NEWS: Mention it.

Also introduce twa::unregister_ap() and twa_graph::remove_unused_ap()
so that the methods where this behavior is expected can be fixed.

And fix ltsmin::kripke() which did not register APs.

Part of #170.

* spot/twaalgos/hoa.cc: Use apvars() to print all registerd APs.
Throw an exception when printing automata using unregistered APs.
* spot/ltsmin/ltsmin.cc: Call register_ap().
* spot/twa/twa.cc, spot/twa/twa.hh, spot/twa/twagraph.cc,
spot/twa/twagraph.hh (twa::unregister_ap, twa_graph::remove_unused_ap):
New methods.
* spot/tl/exclusive.cc, spot/twaalgos/postproc.cc,
spot/twaalgos/remprop.cc, spot/twaalgos/relabel.cc: Use them.
* tests/core/maskacc.test, tests/core/maskkeep.test,
tests/core/strength.test: Adjust expected results.
* NEWS: Mention those changes.

Fixing this bug alone revealed another bug: parsing never claim or LBTT
automata did not register APs.  So this fixes both bugs.

This is the first part of #170.

* spot/twa/twa.hh (register_aps_from_dict): New method.
* spot/parseaut/parseaut.yy: Call it for never claim and LBTT files.
* spot/twaalgos/stats.cc: Simplify using ap_vars().
* tests/core/ltl2tgba.test: Add a test case.
* NEWS: Mention the bugs.

* bin/autfilt.cc: Here.
* tests/core/exclusive-tgba.test: Test it.
* NEWS: Mention the fix.

Last part of #170.

* bin/autfilt.cc: Implement the new options.
* tests/core/remprop.test: Add a quick test.
* NEWS: Mention these options.

Part of #170.

* bin/autfilt.cc: Here.
* tests/core/remprop.test: Test it.
* NEWS: Mention it.

Also introduce twa::unregister_ap() and twa_graph::remove_unused_ap()
so that the methods where this behavior is expected can be fixed.

And fix ltsmin::kripke() which did not register APs.

Part of #170.

* spot/twaalgos/hoa.cc: Use apvars() to print all registerd APs.
Throw an exception when printing automata using unregistered APs.
* spot/ltsmin/ltsmin.cc: Call register_ap().
* spot/twa/twa.cc, spot/twa/twa.hh, spot/twa/twagraph.cc,
spot/twa/twagraph.hh (twa::unregister_ap, twa_graph::remove_unused_ap):
New methods.
* spot/tl/exclusive.cc, spot/twaalgos/postproc.cc,
spot/twaalgos/remprop.cc, spot/twaalgos/relabel.cc: Use them.
* tests/core/maskacc.test, tests/core/maskkeep.test,
tests/core/strength.test: Adjust expected results.
* NEWS: Mention those changes.

Fixing this bug alone revealed another bug: parsing never claim or LBTT
automata did not register APs.  So this fixes both bugs.

This is the first part of #170.

* spot/twa/twa.hh (register_aps_from_dict): New method.
* spot/parseaut/parseaut.yy: Call it for never claim and LBTT files.
* spot/twaalgos/stats.cc: Simplify using ap_vars().
* tests/core/ltl2tgba.test: Add a test case.
* NEWS: Mention the bugs.

* bin/autfilt.cc: Here.
* tests/core/exclusive-tgba.test: Test it.
* NEWS: Mention the fix.

* python/spot/impl.i: Here.
* tests/python/automata.ipynb: Use it.
* NEWS: Mention it.