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.

Laurent XU authored Mar 09, 2016 and Alexandre Duret-Lutz committed Mar 10, 2016

* bin/autfilt.cc, bin/common_aoutput.cc, bin/common_aoutput.hh,
bin/common_finput.cc, bin/common_finput.hh, bin/common_hoaread.cc,
bin/common_output.cc, bin/common_output.hh, bin/common_post.cc,
bin/common_post.hh, bin/common_r.hh, bin/common_range.cc,
bin/common_range.hh, bin/common_setup.cc, bin/common_trans.cc,
bin/common_trans.hh, bin/dstar2tgba.cc, bin/genltl.cc,
bin/ltl2tgba.cc, bin/ltl2tgta.cc, bin/ltlcross.cc, bin/ltldo.cc,
bin/ltlfilt.cc, bin/ltlgrind.cc, bin/randaut.cc, bin/randltl.cc,
bin/spot-x.cc, spot/graph/graph.hh, spot/graph/ngraph.hh,
spot/kripke/kripkegraph.hh, spot/ltsmin/ltsmin.cc,
spot/ltsmin/ltsmin.hh, spot/misc/bareword.cc, spot/misc/bitvect.cc,
spot/misc/bitvect.hh, spot/misc/common.hh, spot/misc/escape.cc,
spot/misc/fixpool.hh, spot/misc/formater.cc, spot/misc/hash.hh,
spot/misc/intvcmp2.cc, spot/misc/intvcmp2.hh, spot/misc/intvcomp.cc,
spot/misc/intvcomp.hh, spot/misc/location.hh, spot/misc/minato.cc,
spot/misc/minato.hh, spot/misc/mspool.hh, spot/misc/optionmap.cc,
spot/misc/optionmap.hh, spot/misc/random.cc, spot/misc/random.hh,
spot/misc/satsolver.cc, spot/misc/satsolver.hh, spot/misc/timer.cc,
spot/misc/timer.hh, spot/misc/tmpfile.cc, spot/misc/trival.hh,
spot/parseaut/fmterror.cc, spot/parseaut/parsedecl.hh,
spot/parseaut/public.hh, spot/parsetl/fmterror.cc,
spot/parsetl/parsedecl.hh, spot/priv/accmap.hh, spot/priv/bddalloc.cc,
spot/priv/freelist.cc, spot/priv/trim.cc, spot/priv/weight.cc,
spot/priv/weight.hh, spot/ta/taexplicit.cc, spot/ta/taexplicit.hh,
spot/ta/taproduct.cc, spot/ta/taproduct.hh, spot/ta/tgtaexplicit.cc,
spot/ta/tgtaexplicit.hh, spot/ta/tgtaproduct.cc,
spot/ta/tgtaproduct.hh, spot/taalgos/dot.cc, spot/taalgos/dot.hh,
spot/taalgos/emptinessta.cc, spot/taalgos/emptinessta.hh,
spot/taalgos/minimize.cc, spot/taalgos/tgba2ta.cc,
spot/taalgos/tgba2ta.hh, spot/tl/apcollect.cc, spot/tl/contain.cc,
spot/tl/contain.hh, spot/tl/dot.cc, spot/tl/exclusive.cc,
spot/tl/exclusive.hh, spot/tl/formula.cc, spot/tl/formula.hh,
spot/tl/length.cc, spot/tl/mark.cc, spot/tl/mutation.cc,
spot/tl/mutation.hh, spot/tl/parse.hh, spot/tl/print.cc,
spot/tl/print.hh, spot/tl/randomltl.cc, spot/tl/randomltl.hh,
spot/tl/relabel.cc, spot/tl/relabel.hh, spot/tl/remove_x.cc,
spot/tl/simplify.cc, spot/tl/simplify.hh, spot/tl/snf.cc,
spot/tl/snf.hh, spot/tl/unabbrev.cc, spot/tl/unabbrev.hh,
spot/twa/acc.cc, spot/twa/acc.hh, spot/twa/bdddict.cc,
spot/twa/bdddict.hh, spot/twa/bddprint.cc, spot/twa/formula2bdd.cc,
spot/twa/formula2bdd.hh, spot/twa/taatgba.cc, spot/twa/taatgba.hh,
spot/twa/twa.cc, spot/twa/twa.hh, spot/twa/twagraph.cc,
spot/twa/twagraph.hh, spot/twa/twaproduct.cc, spot/twa/twaproduct.hh,
spot/twaalgos/are_isomorphic.cc, spot/twaalgos/are_isomorphic.hh,
spot/twaalgos/bfssteps.cc, spot/twaalgos/bfssteps.hh,
spot/twaalgos/cleanacc.cc, spot/twaalgos/complete.cc,
spot/twaalgos/compsusp.cc, spot/twaalgos/compsusp.hh,
spot/twaalgos/copy.cc, spot/twaalgos/cycles.cc,
spot/twaalgos/cycles.hh, spot/twaalgos/degen.cc,
spot/twaalgos/degen.hh, spot/twaalgos/determinize.cc,
spot/twaalgos/determinize.hh, spot/twaalgos/dot.cc,
spot/twaalgos/dot.hh, spot/twaalgos/dtbasat.cc,
spot/twaalgos/dtbasat.hh, spot/twaalgos/dtwasat.cc,
spot/twaalgos/dtwasat.hh, spot/twaalgos/emptiness.cc,
spot/twaalgos/emptiness.hh, spot/twaalgos/emptiness_stats.hh,
spot/twaalgos/gtec/ce.cc, spot/twaalgos/gtec/ce.hh,
spot/twaalgos/gtec/gtec.cc, spot/twaalgos/gtec/gtec.hh,
spot/twaalgos/gtec/sccstack.cc, spot/twaalgos/gtec/status.cc,
spot/twaalgos/gv04.cc, spot/twaalgos/hoa.cc, spot/twaalgos/hoa.hh,
spot/twaalgos/isdet.cc, spot/twaalgos/isunamb.cc,
spot/twaalgos/isweakscc.cc, spot/twaalgos/lbtt.cc,
spot/twaalgos/lbtt.hh, spot/twaalgos/ltl2taa.cc,
spot/twaalgos/ltl2taa.hh, spot/twaalgos/ltl2tgba_fm.cc,
spot/twaalgos/ltl2tgba_fm.hh, spot/twaalgos/magic.cc,
spot/twaalgos/magic.hh, spot/twaalgos/mask.cc, spot/twaalgos/mask.hh,
spot/twaalgos/minimize.cc, spot/twaalgos/minimize.hh,
spot/twaalgos/ndfs_result.hxx, spot/twaalgos/neverclaim.cc,
spot/twaalgos/neverclaim.hh, spot/twaalgos/postproc.cc,
spot/twaalgos/postproc.hh, spot/twaalgos/powerset.cc,
spot/twaalgos/powerset.hh, spot/twaalgos/product.cc,
spot/twaalgos/product.hh, spot/twaalgos/projrun.cc,
spot/twaalgos/projrun.hh, spot/twaalgos/randomgraph.cc,
spot/twaalgos/randomgraph.hh, spot/twaalgos/randomize.cc,
spot/twaalgos/randomize.hh, spot/twaalgos/reachiter.cc,
spot/twaalgos/reachiter.hh, spot/twaalgos/relabel.cc,
spot/twaalgos/relabel.hh, spot/twaalgos/remfin.cc,
spot/twaalgos/remprop.cc, spot/twaalgos/sbacc.cc,
spot/twaalgos/sccfilter.cc, spot/twaalgos/sccfilter.hh,
spot/twaalgos/sccinfo.cc, spot/twaalgos/sccinfo.hh,
spot/twaalgos/se05.cc, spot/twaalgos/se05.hh,
spot/twaalgos/sepsets.cc, spot/twaalgos/simulation.cc,
spot/twaalgos/simulation.hh, spot/twaalgos/stats.cc,
spot/twaalgos/stats.hh, spot/twaalgos/strength.cc,
spot/twaalgos/strength.hh, spot/twaalgos/stripacc.cc,
spot/twaalgos/stutter.cc, spot/twaalgos/stutter.hh,
spot/twaalgos/tau03.cc, spot/twaalgos/tau03opt.cc,
spot/twaalgos/tau03opt.hh, spot/twaalgos/totgba.cc,
spot/twaalgos/translate.cc, spot/twaalgos/word.cc, tests/core/acc.cc,
tests/core/bitvect.cc, tests/core/checkpsl.cc, tests/core/checkta.cc,
tests/core/consterm.cc, tests/core/emptchk.cc, tests/core/equalsf.cc,
tests/core/graph.cc, tests/core/ikwiad.cc, tests/core/intvcmp2.cc,
tests/core/intvcomp.cc, tests/core/kind.cc, tests/core/kripkecat.cc,
tests/core/ltlrel.cc, tests/core/ngraph.cc, tests/core/randtgba.cc,
tests/core/readltl.cc, tests/core/reduc.cc, tests/core/safra.cc,
tests/core/syntimpl.cc, tests/ltsmin/modelcheck.cc: Replace tabulars by
8 spaces.
* tests/sanity/style.test: Add checks for no tabulars in *.cc *.hh *.hxx

* spot/twaalgos/dot.cc, spot/twaalgos/hoa.cc: Here.

* spot/twaalgos/dot.cc, spot/twaalgos/hoa.cc: If a Kripke
structure is passed, automatically enable the "k" option.
* tests/core/parse_print_test.cc, tests/ltsmin/modelcheck.cc,
tests/python/ltsmin.ipynb: Remove the explicit use of "k".
* NEWS: Mention the change.

* spot/twa/twa.hh: Store property bits as trivals.
* NEWS: Mention the change.
* spot/parseaut/parseaut.yy, spot/twaalgos/are_isomorphic.cc,
spot/twaalgos/complete.cc, spot/twaalgos/dot.cc, spot/twaalgos/hoa.cc,
spot/twaalgos/isdet.cc, spot/twaalgos/isunamb.cc, spot/twaalgos/lbtt.cc,
spot/twaalgos/ltl2tgba_fm.cc, spot/twaalgos/postproc.cc,
spot/twaalgos/remfin.cc, spot/twaalgos/strength.cc,
spot/twaalgos/stutter.cc, spot/twaalgos/stutter.hh,
spot/twaalgos/totgba.cc, tests/core/ikwiad.cc,
tests/python/product.ipynb, tests/python/remfin.py: Adjust.
* doc/org/hoa.org, doc/org/tut21.org: Update documentation.

* spot/twa/acc.cc, spot/twa/acc.hh: Here.
* spot/parseaut/parseaut.yy, spot/twa/acc.hh,
spot/twaalgos/gtec/gtec.cc, spot/twaalgos/hoa.cc,
spot/twaalgos/neverclaim.cc, spot/twaalgos/product.cc,
spot/twaalgos/remfin.cc, spot/twaalgos/strength.cc: Adjust.
* NEWS: Mention the changes.
* wrap/python/spot_impl.i: Bind acc_cond the printer.
* wrap/python/tests/acc_cond.ipynb: Add more examples.

* spot/twa/acc.hh, spot/twa/acc.cc: Here.  Also remove
some redundant functions.
* spot/parseaut/parseaut.yy, spot/priv/accmap.hh, spot/tests/acc.cc,
spot/tests/twagraph.cc, spot/twa/taatgba.hh, spot/twa/twaproduct.cc,
spot/twaalgos/dtwasat.cc, spot/twaalgos/hoa.cc, spot/twaalgos/lbtt.cc,
spot/twaalgos/ltl2tgba_fm.cc, spot/twaalgos/product.cc,
spot/twaalgos/remfin.cc, spot/twaalgos/simulation.cc,
spot/twaalgos/tau03opt.cc, spot/twaalgos/weight.cc,
spot/twaalgos/weight.hh: Adjust.
* NEWS: Mention the changes.

* NEWS: Mention the change.
* src/: Rename as ...
* spot/: ... this, adjust all headers to include <spot/...> instead of
"...", and adjust all Makefile.am to search headers from the top-level
directory.
* HACKING: Add conventions about #include.
* spot/sanity/style.test: Add a few more grep to catch cases
that do not follow these conventions.
* .gitignore, Makefile.am, README, bench/stutter/Makefile.am,
bench/stutter/stutter_invariance_formulas.cc,
bench/stutter/stutter_invariance_randomgraph.cc, configure.ac,
debian/rules, doc/Doxyfile.in, doc/Makefile.am,
doc/org/.dir-locals.el.in, doc/org/g++wrap.in, doc/org/init.el.in,
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, iface/ltsmin/Makefile.am,
iface/ltsmin/kripke.test, iface/ltsmin/ltsmin.cc,
iface/ltsmin/ltsmin.hh, iface/ltsmin/modelcheck.cc,
wrap/python/Makefile.am, wrap/python/ajax/spotcgi.in,
wrap/python/spot_impl.i, wrap/python/tests/ltl2tgba.py,
wrap/python/tests/randgen.py, wrap/python/tests/run.in: Adjust.

* src/twaalgos/hoa.cc, src/twaalgos/hoa.hh: Implement it.
* NEWS, doc/org/hoa.org, src/bin/common_aoutput.cc: Document it.
* src/tests/readsave.test: Test it.

* src/twa/twa.hh: Store the terminal property.
* src/twaalgos/hoa.cc, src/parseaut/parseaut.yy: Add I/O for "terminal".
* src/twaalgos/ltl2tgba_fm.cc, src/twaalgos/minimize.cc: Set terminal
as apropriate.
* src/twaalgos/safety.cc: Use it.
* doc/org/tut21.org, doc/org/hoa.org, NEWS: Document it.
* src/tests/complement.test, src/tests/monitor.test,
wrap/python/tests/automata-io.ipynb: Adjust.

This fixes #119.

* doc/org/tut21.org, doc/org/hoa.org, NEWS: Document it.
* src/twa/twa.hh: Support it in automata.
* src/twaalgos/hoa.cc, src/parseaut/parseaut.yy: Add I/O support.
* src/twaalgos/minimize.cc, src/twaalgos/totgba.cc: Set weak
automata on output.
* src/tests/complement.test, src/tests/parseaut.test,
src/tests/readsave.test, src/tests/remfin.test, src/tests/sccsimpl.test,
src/tests/wdba2.test, wrap/python/tests/automata-io.ipynb: Adjust.

* src/twaalgos/hoa.cc: Output do not output "unambiguous" if the
automaton is deterministic.  Add option "v" to cancel this restriction,
and also output "no-univ-branch".
* src/twaalgos/hoa.hh: Document the "v" option.
* src/tests/readsave.test: Test it.
* src/tests/unambig.test: Adjust for unambiguous not being output
if the automaton is deterministic.
* src/bin/common_aoutput.cc, NEWS: Document it.
* doc/org/hoa.org: Add a summary table about how properties are handled.
* src/twa/twa.hh (prop_deterministic): Setting this should also
set the unambiguous property.
* src/twaalgos/isunamb.cc: Simplify the property check.

This fixes #116.

* src/twa/twa.hh: Rename those methods.
* NEWS: Document the renamings.
* doc/org/hoa.org, doc/org/tut21.org, src/parseaut/parseaut.yy,
src/tests/ikwiad.cc, src/twa/twagraph.hh,
src/twaalgos/are_isomorphic.cc, src/twaalgos/complete.cc,
src/twaalgos/degen.cc, src/twaalgos/dot.cc, src/twaalgos/dtbasat.cc,
src/twaalgos/dtgbasat.cc, src/twaalgos/hoa.cc, src/twaalgos/isdet.cc,
src/twaalgos/isunamb.cc, src/twaalgos/lbtt.cc,
src/twaalgos/minimize.cc, src/twaalgos/postproc.cc,
src/twaalgos/product.cc, src/twaalgos/randomgraph.cc,
src/twaalgos/remfin.cc, src/twaalgos/sbacc.cc,
src/twaalgos/simulation.cc, src/twaalgos/stutter.cc,
src/twaalgos/totgba.cc: Adjust.

The ltl prefix does not make a lot of sens anymore (since we
support psl as well).  ltlast/ and ltlenv/ were almost empty.
And ltlvisit/ did not contain any visitor anymore.

* src/ltlvisit/, src/ltlast/, src/ltlenv/: Merge into...
* src/tl/: ...this.
* NEWS: Mention the change.
* README, bench/stutter/stutter_invariance_formulas.cc,
bench/stutter/stutter_invariance_randomgraph.cc, configure.ac,
doc/org/tut01.org, doc/org/tut02.org, doc/org/tut10.org, doc/tl/tl.tex,
iface/ltsmin/ltsmin.hh, iface/ltsmin/modelcheck.cc, src/Makefile.am,
src/bin/autfilt.cc, src/bin/common_output.cc, src/bin/common_output.hh,
src/bin/common_r.hh, src/bin/common_trans.cc, src/bin/genltl.cc,
src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc, src/bin/ltlcross.cc,
src/bin/ltldo.cc, src/bin/ltlfilt.cc, src/bin/ltlgrind.cc,
src/bin/randltl.cc, src/kripke/kripkeexplicit.hh,
src/kripkeparse/public.hh, src/parseaut/public.hh, src/priv/accmap.hh,
src/ta/taexplicit.hh, src/ta/tgtaexplicit.hh, src/tests/equalsf.cc,
src/tests/ikwiad.cc, src/tests/length.cc, src/tests/ltlrel.cc,
src/tests/randtgba.cc, src/tests/readltl.cc, src/tests/reduc.cc,
src/tests/syntimpl.cc, src/tests/taatgba.cc, src/tests/tostring.cc,
src/tests/twagraph.cc, src/twa/acc.hh, src/twa/bdddict.cc,
src/twa/bdddict.hh, src/twa/bddprint.cc, src/twa/taatgba.cc,
src/twa/taatgba.hh, src/twa/twa.hh, src/twa/twagraph.cc,
src/twa/twagraph.hh, src/twa/twasafracomplement.cc,
src/twaalgos/compsusp.cc, src/twaalgos/compsusp.hh,
src/twaalgos/dtgbasat.cc, src/twaalgos/hoa.cc,
src/twaalgos/isweakscc.cc, src/twaalgos/lbtt.cc,
src/twaalgos/ltl2taa.cc, src/twaalgos/ltl2taa.hh,
src/twaalgos/ltl2tgba_fm.cc, src/twaalgos/ltl2tgba_fm.hh,
src/twaalgos/minimize.hh, src/twaalgos/neverclaim.cc,
src/twaalgos/randomgraph.hh, src/twaalgos/relabel.hh,
src/twaalgos/remprop.hh, src/twaalgos/stats.cc, src/twaalgos/stutter.cc,
src/twaalgos/translate.hh, wrap/python/spot_impl.i,
src/ltlparse/ltlparse.yy, src/ltlparse/public.hh: Adjust.

False/True are problematic in Python, and I don't like that the
enum is op::False but the constructor formula::ff().  So let's
just use ff and tt everywhere, and also eword instead of EmptyWord.

* src/ltlast/formula.hh (False, True, EmptyWord, AP, is_false, is_true):
Rename to...
(ff, tt, eword, ap, is_ff, is_tt): ... these.
* iface/ltsmin/ltsmin.cc, src/ltlast/formula.cc,
src/ltlvisit/apcollect.cc, src/ltlvisit/dot.cc, src/ltlvisit/mark.cc,
src/ltlvisit/mutation.cc, src/ltlvisit/print.cc,
src/ltlvisit/relabel.cc, src/ltlvisit/simpfg.cc,
src/ltlvisit/simplify.cc, src/ltlvisit/snf.cc, src/ltlvisit/unabbrev.cc,
src/twa/acc.cc, src/twa/acc.hh, src/twa/formula2bdd.cc,
src/twaalgos/gtec/gtec.cc, src/twaalgos/hoa.cc, src/twaalgos/ltl2taa.cc,
src/twaalgos/ltl2tgba_fm.cc, src/twaalgos/neverclaim.cc,
src/twaalgos/product.cc, src/twaalgos/remfin.cc, src/twaalgos/safety.cc,
src/tests/parseerr.test, src/tests/utf8.test, wrap/python/spot.py:
Adjust.

Flatten the formula ltl::formula hiearchy into a single ltl::vnode that
has an enumerator to distinguish the types of node, and a common
interface to access children, update reference counts, etc.  The
ltl::formula class is now a thin wrapper around an ltl::vnode pointer to
keep track of reference counts automatically.  Visitor are not used
anymore; we now have map() and traversor() methods that are more
concise.

This basically fixes #43, but should be followed by some fine tuning
that should now be localized to the formula.hh and formula.cc files.

Some statistics about this patch.  I started working on it on Sep 9, had
a first compiling version two weeks later on Sep 22, and it then took 5
days to fixes the ~70 distincts bugs that were introduced during the
conversion.  About 13200 lines were modified, and one third of those
were removed.

* src/ltlast/formula.cc, src/ltlast/formula.hh: Complete rewrite,
including what was in separate nearby files.
* src/ltlast/allnodes.hh, src/ltlast/atomic_prop.cc,
src/ltlast/atomic_prop.hh, src/ltlast/binop.cc, src/ltlast/binop.hh,
src/ltlast/bunop.cc, src/ltlast/bunop.hh, src/ltlast/constant.cc,
src/ltlast/constant.hh, src/ltlast/multop.cc, src/ltlast/multop.hh,
src/ltlast/unop.cc, src/ltlast/unop.hh, src/ltlvisit/dump.cc,
src/ltlvisit/dump.hh, src/ltlast/predecl.hh: Delete these files.  Their
feature have been merged in formula.hh and formula.cc.
* src/ltlast/visitor.hh, src/ltlvisit/clone.cc, src/ltlvisit/clone.hh,
src/ltlvisit/dump.hh, src/ltlvisit/postfix.cc, src/ltlvisit/postfix.hh:
Delete these files, as we do not use visitors anymore.
* bench/stutter/stutter_invariance_formulas.cc,
bench/stutter/stutter_invariance_randomgraph.cc, doc/org/tut01.org,
doc/org/tut02.org, doc/org/tut10.org, doc/org/tut22.org,
iface/ltsmin/ltsmin.cc, iface/ltsmin/ltsmin.hh,
iface/ltsmin/modelcheck.cc, src/bin/autfilt.cc,
src/bin/common_aoutput.cc, src/bin/common_aoutput.hh,
src/bin/common_finput.cc, src/bin/common_finput.hh,
src/bin/common_output.cc, src/bin/common_output.hh,
src/bin/common_trans.cc, src/bin/common_trans.hh, src/bin/dstar2tgba.cc,
src/bin/genltl.cc, src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc,
src/bin/ltlcross.cc, src/bin/ltldo.cc, src/bin/ltlfilt.cc,
src/bin/ltlgrind.cc, src/bin/randaut.cc, src/bin/randltl.cc,
src/kripke/kripkeexplicit.cc, src/kripke/kripkeexplicit.hh,
src/kripkeparse/kripkeparse.yy, src/ltlast/Makefile.am,
src/ltlenv/declenv.cc, src/ltlenv/declenv.hh, src/ltlenv/defaultenv.cc,
src/ltlenv/defaultenv.hh, src/ltlenv/environment.hh,
src/ltlparse/ltlparse.yy, src/ltlparse/public.hh,
src/ltlvisit/Makefile.am, src/ltlvisit/apcollect.cc,
src/ltlvisit/apcollect.hh, src/ltlvisit/contain.cc,
src/ltlvisit/contain.hh, src/ltlvisit/dot.cc, src/ltlvisit/dot.hh,
src/ltlvisit/exclusive.cc, src/ltlvisit/exclusive.hh,
src/ltlvisit/length.cc, src/ltlvisit/length.hh, src/ltlvisit/mark.cc,
src/ltlvisit/mark.hh, src/ltlvisit/mutation.cc,
src/ltlvisit/mutation.hh, src/ltlvisit/nenoform.cc,
src/ltlvisit/nenoform.hh, src/ltlvisit/print.cc, src/ltlvisit/print.hh,
src/ltlvisit/randomltl.cc, src/ltlvisit/randomltl.hh,
src/ltlvisit/relabel.cc, src/ltlvisit/relabel.hh,
src/ltlvisit/remove_x.cc, src/ltlvisit/remove_x.hh,
src/ltlvisit/simpfg.cc, src/ltlvisit/simpfg.hh,
src/ltlvisit/simplify.cc, src/ltlvisit/simplify.hh, src/ltlvisit/snf.cc,
src/ltlvisit/snf.hh, src/ltlvisit/unabbrev.cc, src/ltlvisit/unabbrev.hh,
src/parseaut/parseaut.yy, src/ta/taexplicit.cc, src/ta/tgtaexplicit.cc,
src/taalgos/minimize.cc, src/taalgos/tgba2ta.cc, src/tests/bare.test,
src/tests/checkpsl.cc, src/tests/checkta.cc,
src/tests/complementation.cc, src/tests/consterm.cc,
src/tests/emptchk.cc, src/tests/equalsf.cc, src/tests/ikwiad.cc,
src/tests/isop.test, src/tests/kind.cc, src/tests/length.cc,
src/tests/ltldo.test, src/tests/ltlfilt.test, src/tests/ltlgrind.test,
src/tests/ltlprod.cc, src/tests/ltlrel.cc,
src/tests/parse_print_test.cc, src/tests/parseaut.test,
src/tests/parseerr.test, src/tests/randtgba.cc, src/tests/readltl.cc,
src/tests/reduc.cc, src/tests/syntimpl.cc, src/tests/taatgba.cc,
src/tests/tostring.cc, src/tests/twagraph.cc, src/tests/utf8.test,
src/twa/acc.cc, src/twa/bdddict.cc, src/twa/bdddict.hh,
src/twa/bddprint.cc, src/twa/formula2bdd.cc, src/twa/formula2bdd.hh,
src/twa/taatgba.cc, src/twa/taatgba.hh, src/twa/twa.cc, src/twa/twa.hh
src/twa/twagraph.cc, src/twa/twagraph.hh, src/twa/twasafracomplement.cc,
src/twaalgos/compsusp.cc, src/twaalgos/compsusp.hh,
src/twaalgos/dtgbasat.cc, src/twaalgos/hoa.cc, src/twaalgos/lbtt.cc,
src/twaalgos/ltl2taa.cc, src/twaalgos/ltl2taa.hh,
src/twaalgos/ltl2tgba_fm.cc, src/twaalgos/ltl2tgba_fm.hh,
src/twaalgos/minimize.cc, src/twaalgos/minimize.hh,
src/twaalgos/neverclaim.cc, src/twaalgos/postproc.cc,
src/twaalgos/postproc.hh, src/twaalgos/powerset.cc,
src/twaalgos/powerset.hh, src/twaalgos/randomgraph.cc,
src/twaalgos/remprop.cc, src/twaalgos/remprop.hh, src/twaalgos/stats.cc,
src/twaalgos/stats.hh, src/twaalgos/stutter.cc, src/twaalgos/stutter.hh,
src/twaalgos/translate.cc, src/twaalgos/translate.hh,
wrap/python/ajax/spotcgi.in, wrap/python/spot.py,
wrap/python/spot_impl.i, wrap/python/Makefile.am,
wrap/python/tests/automata-io.ipynb, wrap/python/tests/formulas.ipynb,
wrap/python/tests/ltl2tgba.py, wrap/python/tests/ltlparse.py,
wrap/python/tests/ltlsimple.py, wrap/python/tests/randltl.ipynb: Adjust
to use the new interface.
* src/sanity/style.test: Accept more C++11 patterns.
* NEWS: Mention the change.

* src/twaalgos/hoa.cc: Here.
* src/tests/readsave.test: Test it.
* NEWS: Mention it.
* src/twaalgos/dot.cc, src/twaalgos/neverclaim.cc: Fix the
error message.

* src/twa/twa.hh (num_sets): New method.  Delegating to acc_.
* src/twa/twagraph.hh, src/twa/twaproduct.cc, src/twa/twaproxy.cc,
src/twaalgos/degen.cc, src/twaalgos/dot.cc, src/twaalgos/dtgbacomp.cc,
src/twaalgos/dtgbasat.cc, src/twaalgos/gv04.cc, src/twaalgos/hoa.cc,
src/twaalgos/lbtt.cc, src/twaalgos/magic.cc, src/twaalgos/mask.cc,
src/twaalgos/ndfs_result.hxx, src/twaalgos/postproc.cc,
src/twaalgos/powerset.cc, src/twaalgos/product.cc,
src/twaalgos/remfin.cc, src/twaalgos/se05.cc,
src/twaalgos/simulation.cc, src/twaalgos/stats.cc,
src/twaalgos/stutter.cc, src/twaalgos/tau03.cc,
src/twaalgos/tau03opt.cc, src/twaalgos/totgba.cc: Simplify
acc().num_sets() into num_sets().

As actually claimed (but not done) by
738f939f.

* src/twaalgos/hoa.hh, src/twaalgos/hoa.cc: Rename it.
* src/bin/common_aoutput.cc, src/bin/dstar2tgba.cc,
src/bin/ltlcross.cc, src/tests/complementation.cc,
src/tests/ltl2tgba.cc, src/tests/randtgba.cc, src/twaalgos/hoa.cc,
wrap/python/spot.py: Adjust.

Fixes #84.

* src/twaalgos/hoa.cc: Detect and output the colored property.
* src/tests/hoaparse.test, src/tests/satmin2.test: Update.

* src/twa/acc.cc: Allow duplicate and reordered pairs.  Also recognize
the single-pair cases.
* src/twaalgos/hoa.cc: When Rabin or Streett is detected, canonicalize
the Acceptance: line.
* src/tests/hoaparse.test, wrap/python/tests/accparse2.py: More tests.
* src/tests/sbacc.test: Adjust.

It has two modes: strict or not.  In strict mode (tested in
hoaparse.test), the acceptance formula has to match exactly the one
given in the HOA spec.  In non-strict mode (tested in accparse2.py)
any equivalent formula is accepted.

* src/twa/acc.cc, src/twa/acc.hh (acc_cond::is_parity): New method.
* src/twaalgos/hoa.cc: Use it.
* src/tests/hoaparse.test: Test it.
* wrap/python/spot_impl.i: Bind it.
* wrap/python/tests/accparse2.py: New file.
* wrap/python/tests/Makefile.am: Add it.

So far the HOA output would emit an acc-name only
for generalized-Buchi or inferior types (Buchi, all).
It now knows about none, co-Buchi, generalized-co-Buchi,
Rabin, Streett, and generalized-Rabin as well.

* src/twa/acc.cc, src/twa/acc.hh: Add detection code.
* src/twaalgos/hoa.cc: Use it.
* src/tests/remfin.test, src/tests/maskacc.test,
src/tests/complete.test, src/tests/sim3.test,
src/tests/ltl2dstar.test: Adjust tests.
* src/tests/hoaparse.test: Adjust and add more tests.

* src/bin/common_aoutput.cc: Add --check=unambiguous.
* src/twa/twa.hh: New unambiguous property.
* src/twaalgos/hoa.cc: Print it.
* src/twaalgos/ltl2tgba_fm.cc: Set it.
* src/twaalgos/isunamb.cc, src/twaalgos/isunamb.hh
(check_unambiguous): New function.
* src/tests/unambig.test: More tests.

* src/twa/twa.hh: Support this new property.
* src/twaalgos/stutter.cc: Set it if needed.
* src/twaalgos/hoa.cc: Output it.
* src/tests/stutter-tgba.test: More tests.

* src/twaalgos/hoa.cc, src/twaalgos/ltl2tgba_fm.cc: Remove some
useless declarations of iterators, as detected by cppcheck.

Automatic mass renaming.

* src/tgbaalgos/: Rename as...
* src/twaalgos/: ... this.
* README, configure.ac, iface/ltsmin/modelcheck.cc, src/Makefile.am,
src/bin/autfilt.cc, src/bin/common_aoutput.cc,
src/bin/common_aoutput.hh, src/bin/common_output.hh,
src/bin/common_post.hh, src/bin/dstar2tgba.cc, src/bin/ltl2tgba.cc,
src/bin/ltl2tgta.cc, src/bin/ltlcross.cc, src/bin/ltldo.cc,
src/bin/ltlfilt.cc, src/bin/randaut.cc, src/dstarparse/dra2ba.cc,
src/dstarparse/nra2nba.cc, src/dstarparse/nsa2tgba.cc,
src/graphtest/twagraph.cc, src/kripke/kripkeprint.cc,
src/ltlvisit/contain.cc, src/ltlvisit/contain.hh,
src/ltlvisit/exclusive.cc, src/taalgos/emptinessta.hh,
src/tgbatest/checkpsl.cc, src/tgbatest/checkta.cc,
src/tgbatest/complementation.cc, src/tgbatest/emptchk.cc,
src/tgbatest/ltl2tgba.cc, src/tgbatest/ltlprod.cc,
src/tgbatest/randtgba.cc, src/tgbatest/taatgba.cc, src/twa/twa.cc,
src/twa/twagraph.hh, src/twa/twasafracomplement.cc,
wrap/python/spot_impl.i: Adjust.

Automatic mass renaming.

* src/graphtest/tgbagraph.cc, src/tgba/acc.cc, src/tgba/acc.hh,
src/tgba/bdddict.cc, src/tgba/bdddict.hh, src/tgba/bddprint.cc,
src/tgba/bddprint.hh, src/tgba/formula2bdd.cc,
src/tgba/formula2bdd.hh, src/tgba/fwd.hh, src/tgba/Makefile.am,
src/tgba/taatgba.cc, src/tgba/taatgba.hh, src/tgba/tgba.cc,
src/tgba/tgbagraph.cc, src/tgba/tgbagraph.hh, src/tgba/tgba.hh,
src/tgba/tgbamask.cc, src/tgba/tgbamask.hh, src/tgba/tgbaproduct.cc,
src/tgba/tgbaproduct.hh, src/tgba/tgbaproxy.cc, src/tgba/tgbaproxy.hh,
src/tgba/tgbasafracomplement.cc, src/tgba/tgbasafracomplement.hh,
src/tgba/.cvsignore: Rename as...
* src/graphtest/twagraph.cc, src/twa/acc.cc, src/twa/acc.hh,
src/twa/bdddict.cc, src/twa/bdddict.hh, src/twa/bddprint.cc,
src/twa/bddprint.hh, src/twa/formula2bdd.cc, src/twa/formula2bdd.hh,
src/twa/fwd.hh, src/twa/Makefile.am, src/twa/taatgba.cc,
src/twa/taatgba.hh, src/twa/twa.cc, src/twa/twagraph.cc,
src/twa/twagraph.hh, src/twa/twa.hh, src/twa/twamask.cc,
src/twa/twamask.hh, src/twa/twaproduct.cc, src/twa/twaproduct.hh,
src/twa/twaproxy.cc, src/twa/twaproxy.hh,
src/twa/twasafracomplement.cc, src/twa/twasafracomplement.hh,
src/twa/.cvsignore: ... these.
* README, bench/stutter/stutter_invariance_randomgraph.cc,
configure.ac, iface/ltsmin/modelcheck.cc, src/Makefile.am,
src/bin/common_aoutput.cc, src/bin/common_conv.hh,
src/bin/common_trans.hh, src/bin/dstar2tgba.cc, src/bin/ltl2tgta.cc,
src/bin/randaut.cc, src/dstarparse/dra2ba.cc,
src/dstarparse/public.hh, src/graphtest/Makefile.am,
src/graphtest/ngraph.cc, src/hoaparse/hoaparse.yy,
src/hoaparse/public.hh, src/kripke/fairkripke.hh,
src/kripke/kripkeexplicit.cc, src/kripke/kripkeprint.cc,
src/kripkeparse/kripkeparse.yy, src/ltlvisit/apcollect.cc,
src/ltlvisit/apcollect.hh, src/ltlvisit/exclusive.hh,
src/ltlvisit/simplify.cc, src/ltlvisit/simplify.hh,
src/priv/accmap.hh, src/ta/ta.hh, src/ta/taexplicit.cc,
src/ta/taexplicit.hh, src/ta/tgta.hh, src/ta/tgtaexplicit.cc,
src/ta/tgtaexplicit.hh, src/ta/tgtaproduct.hh, src/taalgos/dotty.cc,
src/taalgos/emptinessta.cc, src/taalgos/minimize.cc,
src/taalgos/tgba2ta.cc, src/taalgos/tgba2ta.hh,
src/tgbaalgos/are_isomorphic.cc, src/tgbaalgos/are_isomorphic.hh,
src/tgbaalgos/bfssteps.cc, src/tgbaalgos/canonicalize.cc,
src/tgbaalgos/canonicalize.hh, src/tgbaalgos/cleanacc.hh,
src/tgbaalgos/complete.hh, src/tgbaalgos/compsusp.cc,
src/tgbaalgos/compsusp.hh, src/tgbaalgos/degen.cc,
src/tgbaalgos/degen.hh, src/tgbaalgos/dotty.cc,
src/tgbaalgos/dotty.hh, src/tgbaalgos/dtbasat.cc,
src/tgbaalgos/dtbasat.hh, src/tgbaalgos/dtgbacomp.hh,
src/tgbaalgos/dtgbasat.cc, src/tgbaalgos/dtgbasat.hh,
src/tgbaalgos/dupexp.cc, src/tgbaalgos/dupexp.hh,
src/tgbaalgos/emptiness.cc, src/tgbaalgos/emptiness.hh,
src/tgbaalgos/gtec/sccstack.hh, src/tgbaalgos/gtec/status.hh,
src/tgbaalgos/gv04.cc, src/tgbaalgos/gv04.hh, src/tgbaalgos/hoa.cc,
src/tgbaalgos/hoa.hh, src/tgbaalgos/isdet.hh, src/tgbaalgos/lbtt.cc,
src/tgbaalgos/lbtt.hh, src/tgbaalgos/ltl2taa.hh,
src/tgbaalgos/ltl2tgba_fm.cc, src/tgbaalgos/ltl2tgba_fm.hh,
src/tgbaalgos/magic.cc, src/tgbaalgos/magic.hh, src/tgbaalgos/mask.hh,
src/tgbaalgos/minimize.hh, src/tgbaalgos/ndfs_result.hxx,
src/tgbaalgos/neverclaim.cc, src/tgbaalgos/neverclaim.hh,
src/tgbaalgos/postproc.hh, src/tgbaalgos/powerset.cc,
src/tgbaalgos/powerset.hh, src/tgbaalgos/product.cc,
src/tgbaalgos/product.hh, src/tgbaalgos/projrun.cc,
src/tgbaalgos/projrun.hh, src/tgbaalgos/randomgraph.cc,
src/tgbaalgos/randomgraph.hh, src/tgbaalgos/randomize.hh,
src/tgbaalgos/reachiter.hh, src/tgbaalgos/reducerun.cc,
src/tgbaalgos/reducerun.hh, src/tgbaalgos/relabel.hh,
src/tgbaalgos/remfin.hh, src/tgbaalgos/remprop.hh,
src/tgbaalgos/replayrun.cc, src/tgbaalgos/replayrun.hh,
src/tgbaalgos/sbacc.hh, src/tgbaalgos/scc.cc, src/tgbaalgos/scc.hh,
src/tgbaalgos/sccfilter.hh, src/tgbaalgos/sccinfo.cc,
src/tgbaalgos/sccinfo.hh, src/tgbaalgos/se05.cc,
src/tgbaalgos/se05.hh, src/tgbaalgos/simulation.cc,
src/tgbaalgos/simulation.hh, src/tgbaalgos/stats.cc,
src/tgbaalgos/stats.hh, src/tgbaalgos/stripacc.hh,
src/tgbaalgos/stutter.cc, src/tgbaalgos/stutter.hh,
src/tgbaalgos/tau03.cc, src/tgbaalgos/tau03.hh,
src/tgbaalgos/tau03opt.cc, src/tgbaalgos/tau03opt.hh,
src/tgbaalgos/totgba.cc, src/tgbaalgos/totgba.hh,
src/tgbaalgos/weight.hh, src/tgbaalgos/word.cc, src/tgbatest/acc.cc,
src/tgbatest/complementation.cc, src/tgbatest/emptchk.cc,
src/tgbatest/ltl2tgba.cc, src/tgbatest/taatgba.cc,
wrap/python/spot_impl.i: Adjust.

Automatic mass renaming.

* iface/ltsmin/modelcheck.cc, src/dstarparse/dra2ba.cc,
src/dstarparse/nra2nba.cc, src/ltlvisit/apcollect.cc,
src/ltlvisit/apcollect.hh, src/ta/taexplicit.cc, src/ta/taexplicit.hh,
src/ta/tgtaexplicit.cc, src/ta/tgtaexplicit.hh, src/ta/tgtaproduct.hh,
src/taalgos/tgba2ta.cc, src/taalgos/tgba2ta.hh, src/tgba/fwd.hh,
src/tgba/tgba.cc, src/tgba/tgba.hh, src/tgba/tgbagraph.hh,
src/tgba/tgbamask.cc, src/tgba/tgbamask.hh, src/tgba/tgbaproduct.cc,
src/tgba/tgbaproduct.hh, src/tgba/tgbaproxy.cc, src/tgba/tgbaproxy.hh,
src/tgbaalgos/bfssteps.cc, src/tgbaalgos/bfssteps.hh,
src/tgbaalgos/complete.cc, src/tgbaalgos/complete.hh,
src/tgbaalgos/compsusp.cc, src/tgbaalgos/dotty.cc,
src/tgbaalgos/dotty.hh, src/tgbaalgos/dtgbasat.cc,
src/tgbaalgos/dupexp.cc, src/tgbaalgos/dupexp.hh,
src/tgbaalgos/emptiness.cc, src/tgbaalgos/emptiness.hh,
src/tgbaalgos/gtec/gtec.cc, src/tgbaalgos/gtec/gtec.hh,
src/tgbaalgos/gtec/status.cc, src/tgbaalgos/gtec/status.hh,
src/tgbaalgos/gv04.cc, src/tgbaalgos/gv04.hh, src/tgbaalgos/hoa.cc,
src/tgbaalgos/hoa.hh, src/tgbaalgos/lbtt.cc, src/tgbaalgos/lbtt.hh,
src/tgbaalgos/magic.cc, src/tgbaalgos/magic.hh,
src/tgbaalgos/minimize.cc, src/tgbaalgos/ndfs_result.hxx,
src/tgbaalgos/neverclaim.cc, src/tgbaalgos/neverclaim.hh,
src/tgbaalgos/projrun.cc, src/tgbaalgos/projrun.hh,
src/tgbaalgos/reachiter.cc, src/tgbaalgos/reachiter.hh,
src/tgbaalgos/reducerun.cc, src/tgbaalgos/reducerun.hh,
src/tgbaalgos/replayrun.cc, src/tgbaalgos/replayrun.hh,
src/tgbaalgos/scc.cc, src/tgbaalgos/scc.hh, src/tgbaalgos/se05.cc,
src/tgbaalgos/se05.hh, src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh,
src/tgbaalgos/stutter.cc, src/tgbaalgos/tau03.cc,
src/tgbaalgos/tau03.hh, src/tgbaalgos/tau03opt.cc,
src/tgbaalgos/tau03opt.hh, src/tgbatest/checkta.cc,
src/tgbatest/complementation.cc, src/tgbatest/emptchk.cc,
src/tgbatest/ltl2tgba.cc, wrap/python/spot_impl.i: Rename tgba_ptr as
twa_ptr.

Automatic mass renaming.

* src/bin/autfilt.cc, src/bin/common_aoutput.cc,
src/bin/common_aoutput.hh, src/bin/common_conv.cc,
src/bin/common_conv.hh, src/bin/common_output.hh, src/bin/dstar2tgba.cc,
src/bin/ltlcross.cc, src/bin/ltldo.cc, src/bin/randaut.cc,
src/dstarparse/dra2ba.cc, src/dstarparse/dstar2tgba.cc,
src/dstarparse/dstarparse.yy, src/dstarparse/nra2nba.cc,
src/dstarparse/nsa2tgba.cc, src/dstarparse/public.hh,
src/graphtest/tgbagraph.cc, src/hoaparse/hoaparse.yy,
src/hoaparse/public.hh, src/ltlvisit/contain.hh,
src/ltlvisit/exclusive.cc, src/ltlvisit/exclusive.hh,
src/priv/accmap.hh, src/taalgos/minimize.cc, src/tgba/fwd.hh,
src/tgba/tgba.cc, src/tgba/tgbagraph.cc, src/tgba/tgbagraph.hh,
src/tgba/tgbasafracomplement.cc, src/tgba/tgbasafracomplement.hh,
src/tgbaalgos/are_isomorphic.cc, src/tgbaalgos/are_isomorphic.hh,
src/tgbaalgos/canonicalize.cc, src/tgbaalgos/canonicalize.hh,
src/tgbaalgos/cleanacc.cc, src/tgbaalgos/cleanacc.hh,
src/tgbaalgos/complete.cc, src/tgbaalgos/complete.hh,
src/tgbaalgos/compsusp.cc, src/tgbaalgos/compsusp.hh,
src/tgbaalgos/cycles.hh, src/tgbaalgos/degen.cc, src/tgbaalgos/degen.hh,
src/tgbaalgos/dotty.cc, src/tgbaalgos/dtbasat.cc,
src/tgbaalgos/dtbasat.hh, src/tgbaalgos/dtgbacomp.cc,
src/tgbaalgos/dtgbacomp.hh, src/tgbaalgos/dtgbasat.cc,
src/tgbaalgos/dtgbasat.hh, src/tgbaalgos/dupexp.cc,
src/tgbaalgos/dupexp.hh, src/tgbaalgos/emptiness.cc,
src/tgbaalgos/emptiness.hh, src/tgbaalgos/hoa.cc,
src/tgbaalgos/isdet.cc, src/tgbaalgos/isdet.hh, src/tgbaalgos/lbtt.cc,
src/tgbaalgos/ltl2tgba_fm.cc, src/tgbaalgos/ltl2tgba_fm.hh,
src/tgbaalgos/mask.cc, src/tgbaalgos/mask.hh, src/tgbaalgos/minimize.cc,
src/tgbaalgos/minimize.hh, src/tgbaalgos/neverclaim.cc,
src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh,
src/tgbaalgos/powerset.cc, src/tgbaalgos/powerset.hh,
src/tgbaalgos/product.cc, src/tgbaalgos/product.hh,
src/tgbaalgos/randomgraph.cc, src/tgbaalgos/randomgraph.hh,
src/tgbaalgos/randomize.cc, src/tgbaalgos/randomize.hh,
src/tgbaalgos/relabel.cc, src/tgbaalgos/relabel.hh,
src/tgbaalgos/remfin.cc, src/tgbaalgos/remfin.hh,
src/tgbaalgos/remprop.cc, src/tgbaalgos/remprop.hh,
src/tgbaalgos/safety.cc, src/tgbaalgos/safety.hh,
src/tgbaalgos/sbacc.cc, src/tgbaalgos/sbacc.hh,
src/tgbaalgos/sccfilter.cc, src/tgbaalgos/sccfilter.hh,
src/tgbaalgos/sccinfo.cc, src/tgbaalgos/sccinfo.hh,
src/tgbaalgos/simulation.cc, src/tgbaalgos/simulation.hh,
src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh,
src/tgbaalgos/stripacc.cc, src/tgbaalgos/stripacc.hh,
src/tgbaalgos/stutter.cc, src/tgbaalgos/stutter.hh,
src/tgbaalgos/totgba.cc, src/tgbaalgos/totgba.hh,
src/tgbaalgos/translate.cc, src/tgbaalgos/translate.hh,
src/tgbatest/checkpsl.cc, src/tgbatest/complementation.cc,
src/tgbatest/emptchk.cc, src/tgbatest/ltl2tgba.cc,
src/tgbatest/randtgba.cc, wrap/python/spot_impl.i,
wrap/python/tests/automata-io.ipynb, wrap/python/tests/automata.ipynb,
wrap/python/tests/piperead.ipynb, wrap/python/tests/testingaut.ipynb:
Rename tgba_digraph as twa_graph.

Now that we support any type of omega-accetpance, not just "Generalized
Büchi", it is time to move away from GB and replace it by "ω", written
just w in ASCII.

This just change the name of the tgba class.  This part has to be done
by hand because the word "tgba" occurs in many contexts and a mass
replacement would be wrong.

This will be followed by some automatic renaming of all the derived
types and more.

* src/bin/autfilt.cc, src/bin/randaut.cc, src/kripke/fairkripke.hh,
src/ta/tgta.cc, src/ta/tgta.hh, src/tgba/fwd.hh, src/tgba/taatgba.cc,
src/tgba/taatgba.hh, src/tgba/tgba.cc, src/tgba/tgba.hh,
src/tgba/tgbagraph.hh, src/tgba/tgbaproduct.cc, src/tgba/tgbaproduct.hh,
src/tgba/tgbaproxy.cc, src/tgba/tgbaproxy.hh,
src/tgba/tgbasafracomplement.cc, src/tgba/tgbasafracomplement.hh,
src/tgbaalgos/are_isomorphic.cc, src/tgbaalgos/cleanacc.cc,
src/tgbaalgos/dotty.cc, src/tgbaalgos/dupexp.cc,
src/tgbaalgos/dupexp.hh, src/tgbaalgos/hoa.cc,
src/tgbaalgos/neverclaim.cc, src/tgbaalgos/simulation.cc,
src/tgbaalgos/stutter.cc, src/tgbatest/checkpsl.cc,
src/tgbatest/emptchk.cc, src/tgbatest/ltl2tgba.cc, wrap/python/spot.py,
wrap/python/spot_impl.i: Rename the tgba class into twa.

... and show it in the HOA output.  Fixes #60.

* src/tgba/tgba.hh: Add is_stutter_invariant().
* src/tgbaalgos/hoa.cc: Print stutter-invariant
and inherently-weak.
* src/tgbaalgos/ltl2tgba_fm.cc: Set both.
* src/tgbaalgos/are_isomorphic.cc, src/tgbaalgos/complete.cc,
src/tgbaalgos/degen.cc, src/tgbaalgos/dtgbacomp.cc,
src/tgbaalgos/mask.cc, src/tgbaalgos/minimize.cc,
src/tgbaalgos/remfin.cc, src/tgbaalgos/sccfilter.cc,
src/tgbaalgos/simulation.cc, src/tgbaalgos/stutter.cc,
src/tgbatest/hoaparse.test, src/tgbatest/ltldo.test,
src/tgbatest/monitor.test, src/tgbatest/randomize.test,
src/tgbatest/remfin.test, src/tgbatest/sbacc.test: Adjust.

Fixes #59.

* src/tgbaalgos/hoa.cc: Add option i.
* src/bin/common_aoutput.cc, src/bin/dstar2tgba.cc,
src/tgbaalgos/hoa.hh: Document it.
* src/tgbatest/hoaparse.test: Test it.

* src/tgba/acc.hh: Add creation and printing of generic acceptance
code.
* src/tgba/acc.cc: New file.
* src/tgba/Makefile.am: Add it.
* src/tgbatest/acc.cc: More tests.
* src/tgbatest/acc.test: Update.
* src/tgba/tgba.hh (set_acceptance, get_acceptance): New methods.
* src/tgba/tgbagraph.hh: Store acceptance code.
* src/hoaparse/hoaparse.yy: Read any acceptance.
* src/dstarparse/nsa2tgba.cc, src/ta/taexplicit.cc,
src/tgba/tgbaproduct.cc, src/tgba/tgbasafracomplement.cc,
src/tgbaalgos/degen.cc, src/tgbaalgos/hoa.cc,
src/tgbaalgos/ltl2taa.cc, src/tgbaalgos/ltl2tgba_fm.cc,
src/tgbaalgos/product.cc, src/tgbaalgos/stutter.cc,
src/tgbatest/hoaparse.test: Adjust.

* src/hoaparse/hoaparse.yy: Store state names.
* src/tgbaalgos/dotty.cc, src/tgbaalgos/hoa.cc: Output them.
* src/tgbatest/readsave.test: Test this.
* src/tgbatest/hoaparse.test: Update.

* src/tgbaalgos/hoa.cc: Here.

* src/tgbaalgos/hoa.cc: Here.
* src/tgbatest/det.test, src/tgbatest/hoaparse.test,
src/tgbatest/monitor.test, doc/org/oaut.org: Adjust.

* src/tgbaalgos/hoa.cc, src/tgbaalgos/hoa.hh: Only
keep one function public, and do not pass the formula.
* src/tgbatest/ltl2tgba.cc: Adjust.

* src/tgba/tgba.hh, src/tgba/tgba.cc (set_named_prop): Add a template
version.
(get_named_prop): Hide the old version, and supply a template version
that casts.
* src/bin/ltlcross.cc, src/hoaparse/hoaparse.yy, src/tgbaalgos/hoa.cc,
src/tgbaalgos/product.cc: Adjust usage.