* src/tgbaalgos/magic.cc: Fix a comment.
* src/tgbaalgos/se05.hh: New file.
* src/tgbaalgos/se05.cc: Fix a comment.
* src/tgbaalgos/tau03.hh: New file.
* src/tgbaalgos/tau03.cc: New file.
* src/tgbaalgos/Makefile.am: Add it.
* src/tgbatest/ltl2tgba.cc: Add tau03 new emptiness check.
* src/tgbatest/randtgba.cc: Add tau03 new emptiness check.
* src/tgbatest/emptchkr: Fix a comment.
* src/tgbatest/tba_samples_from_spin/explicit1_1.tba,
src/tgbatest/tba_samples_from_spin/explicit1_2.tba,
src/tgbatest/tba_samples_from_spin/explicit1_3.tba,
src/tgbatest/tba_samples_from_spin/explicit1_4.tba,
src/tgbatest/tba_samples_from_spin/explicit1_5.tba,
src/tgbatest/tba_samples_from_spin/explicit1_6.tba,
src/tgbatest/tba_samples_from_spin/explicit1_7.tba,
src/tgbatest/tba_samples_from_spin/explicit1_8.tba,
src/tgbatest/tba_samples_from_spin/explicit1_9.tba,
src/tgbatest/tba_samples_from_spin/explicit2_1.tba,
src/tgbatest/tba_samples_from_spin/explicit2_2.tba,
src/tgbatest/tba_samples_from_spin/explicit2_3.tba,
src/tgbatest/tba_samples_from_spin/explicit2_4.tba,
src/tgbatest/tba_samples_from_spin/explicit2_5.tba,
src/tgbatest/tba_samples_from_spin/explicit2_6.tba,
src/tgbatest/tba_samples_from_spin/explicit2_7.tba,
src/tgbatest/tba_samples_from_spin/explicit2_8.tba,
src/tgbatest/tba_samples_from_spin/explicit2_9.tba: New files
* src/tgbatest/tba_samples_from_spin.test : New test.
* src/tgbatest/Makefile.am: Add it.

src/tgbaalgos/dottydec.hh, src/tgbaalgos/dupexp.hh,
src/tgbaalgos/emptiness.hh, src/tgbaalgos/lbtt.hh,
src/tgbaalgos/ltl2tgba_fm.hh, src/tgbaalgos/ltl2tgba_lacim.hh,
src/tgbaalgos/neverclaim.hh, src/tgbaalgos/powerset.hh,
src/tgbaalgos/projrun.hh, src/tgbaalgos/randomgraph.hh,
src/tgbaalgos/reachiter.hh, src/tgbaalgos/reductgba_sim.hh,
src/tgbaalgos/replayrun.hh, src/tgbaalgos/rundotdec.hh
src/tgbaalgos/save.hh, src/tgbaalgos/stats.hh,
src/tgbaparse/public.hh: Add Doxygen groups for TGBA algorithms.

src/tgba/succiter.hh, src/tgba/succiterconcrete.hh,
src/tgba/tgba.hh, src/tgba/tgbabddconcrete.hh,
src/tgba/tgbabddconcreteproduct.hh, src/tgba/tgbaexplicit.hh,
src/tgba/tgbaproduct.hh, src/tgba/tgbareduc.hh,
src/tgba/tgbatba.hh, src/tgbaalgos/emptiness.hh,
src/tgbaalgos/magic.hh, src/tgbaalgos/replayrun.hh,
src/tgbaalgos/gtec/gtec.hh, iface/gspn/ssp.hh: Introduce Doxygen
groups in the documentation.  Presently this only covers the
tgba/ directory, and the emptiness-check algorithms.
* doc/Doxyfile.in (EXCLUDE_PATTERNS): Skip Bison-generated files
in src/evtgbaparse/.

functionality of the old tgba_tba_proxy.
* src/tgba/tgbatba.cc (tgba_tba_proxy_succ_iterator,
tgba_tba_proxy): Rewrite to produce TBA with at most N copies of
each state, skipping the `bddtrue' stage now used only in
tgba_sba_proxy.  Doing so removes approximately 6% of states in
the degeneralized tests of spotlbtt.test.
(tgba_sba_proxy): Implement it.
* src/tgbaalgos/neverclaim.hh, src/tgbaalgos/neverclaim.cc: Adjust
to take a tgba_sba_proxy.
* src/tgbatest/ltl2tgba.cc: Add option -DS and adjust call to
never_claim_reachable().

* src/tgbaalgos/se05.cc: Fix the same bug.
* src/tgbatest/Makefile.am: Signify that emptchkr.test pass.

if debug==false.

acceptance conditions in the produced automaton, in case they are
not actually used.

supplied stream, not std::cout.

* src/tgbaalgos/se05.cc: Add a bit state hashing version.
* src/tgbaalgos/magic.hh: Make them public.
* src/tgbatest/ltl2tgba.cc: Add the two new emptiness checks.
* src/tgbatest/emptchk.test: Incorporate tests of src/tgbatest/dfs.test.
* src/tgbatest/dfs.test: Introduce new characteristic explicit tests.

* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS)
(libtgbaalgos_la_SOURCES): Add them.
* src/tgba/tgbaexplicit.hh (tgba_explicit::add_state): Make it public.
* src/tgbatest/randtgba.cc: New file.
* src/tgbatest/Makefile.am (noinst_PROGRAMS, readsave_SOURCES): Add it.
* src/tgbatest/readsave.test: Check a random graph.

* src/tgbaalgos/projrun.hh (project_tgba_run): Likewise.

src/tgbaalgos/replayrun.cc (replay_tgba_run): Take a `debug'
option to decide whether the output should look like that of
print_tgba_run() or a complete debug trace.
* src/tgbatest/ltl2tgba.cc (main): Call replay_tgba_run() with
debug=true.

prepare it to a bit state hashing version.
* src/tgbaalgos/magic.hh: adapt to the new interface of
magic_search and se05_search.
* src/tgbaalgos/se05.cc: new file.
* src/tgbaalgos/Makefile.am: Add it.
* src/tgbatest/ltl2tgba.cc: Add new emptiness check.
* src/tgbatest/emptchk.test: more tests.
* src/tgbatest/dfs.test: new file.
* src/tgbatest/Makefile.am: Add it.

labels as formulae rather than bdd sets.

Rewrite as ...
(couvreur99_check_result::accepting_cycle): ... this less complex
implementation.
(couvreur99_check_result::complete_cycle): Delete.
* src/tgbatest/emptchke.test: More explicit examples.

the initial state when no valid outgoing transition is found.

Remove spurious FIXME.

Typo.

Adjust prototype.

(tgba::number_of_acceptance_conditions): New method.
* src/tgbaalgos/lbtt.cc (lbtt_bfs::lbtt_bfs): Use it.

src/tgbaalgos/rundotdec.cc, src/tgbaalgos/rundotdec.hh: New files.
* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
libtgbaalgos_la_SOURCES): Add them.
* src/tgbaalgos/dotty.hh (dotty_reachable): Take a dotty_decorator
as third parameter.
* src/tgbaalgos/dotty.cc (dotty_bfs::process_state,
dotty_bfs::process_link): Use the decorator.
* src/tgbatest/ltl2tgba.cc: Graph the accepting run if the -g option
is given.
* src/tgbatest/emptchk.test: Exercize -g.

(tgba_reachable_iterator::process_link): Take the state* as arguments
in addition to the state numbers.
* src/tgba/tgbaexplicit.hh, src/tgba/tgbaexplicit.cc
(tgba_explicit::copy_acceptance_conditions_of): New method.
* tgbaalgos/dupexp.cc (dupexp_iter::dupexp_iter): Call
copy_acceptance_conditions_of.
(dupexp_iter::process_state, duplex_iter::declare_state,
dupexp_iter::name_): Remove.
(dupexp_iter::process_link): Adjust prototype, and format
the state here rather than in process_state.
* tgbaalgos/stats.cc, tgbaalgos/dotty.cc: Adjust prototype
of process_link.

* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
libtgbaalgos_la_SOURCES): Add them.
* iface/gspn/ltlgspn.cc (main): Call project_tgba_run if -P.

src/tgbaalgos/emptiness.hh (print_tgba_run): Take the tgba*
argument before the tgba_run* argument (for consistency with
replay_tgba_run).
* src/tgbatest/ltl2tgba.cc, iface/gspn/ltlgspn.cc: Adjust
calls to print_tgba_run().

tgba_succ_iterator) with some string.  This comes handy to
associate that transition to its high-level name.
* src/tgba/tgba.hh, src/tgba/tgba.cc (tgba::transition_annotation):
New method.
* src/tgba/tgbaproduct.hh, src/tgba/tgbaproduct.cc
(tgba_product::transition_annotation): Implement it.
* src/tgba/tgbatba.hh, src/tgba/tgbatba.cc
(tgba_tba_proxy::transition_annotation): Likewise.
* src/tgbaalgos/replayrun.cc (print_annotation): New function.
(replay_tgba_run): Use it.

src/tgbaalgos/gtec/gtec.hh (couvreur99_check::print_stats): New.
* src/tgbatest/ltl2tgba.cc: Print emptiness-check statistics.

as `if (x) delete x;'.
* iface/gspn/gspn.cc, iface/gspn/ssp.cc, src/ltlvisit/basicreduce.cc,
src/tgba/tgba.cc, src/tgba/tgbaproduct.cc, src/tgbaalgos/magic.cc,
src/tgbatest/ltl2tgba.cc: Remove such constructs.

accepting.

Initialize best_end to remove a spurious warning.

couvreur99_check_result::complete_cycle,
couvreur99_check_result::accepting_path): Record conditions and
acceptance conditions in the accepting run.  Simplify the
todo BFS stack for accepting_run and complete_cycle.
* src/tgbatest/ltl2tgba.cc (main): Do use replay_tgba_run
now everything works.
* src/tgbaalgos/replayrun.cc (replay_tgba_run): Be more verbose
when an outgoing transition is not found.

Record the acceptance conditions in the accepting run.
* src/tgbaalgos/replayrun.cc (replay_tgba_run): Fix logic.

Cannot test them because the run returned by the emptiness checks
are currently incomplete (they lack the acceptance conditions, and
sometimes even the labels in the prefix).
* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
libtgbaalgos_la_SOURCES): Add them.
* src/tgbatest/ltl2tgba.cc (main): Prepare to use replay_tgba_run
when the emptiness checks are fixed.

algorithms to conform to it, uniformly.  This will unfortunately
break third-party code that were using these algorithms.
* src/tgbaalgos/emptiness.cc, src/tgbaalgos/emptiness.hh: New files.
* src/tgbaalgos/Makefile.am: New files.
* src/tgbaalgos/magic.cc, src/tgbaalgos/magic.hh: Adjust to
conform to the new emptiness-check interface.
* src/tgbaalgos/gtec/ce.cc, src/tgbaalgos/gtec/ce.hh,
src/tgbaalgos/gtec/gtec.cc, src/tgbaalgos/gtec/gtec.hh,
src/tgbaalgos/gtec/status.cc, src/tgbaalgos/gtec/status.hh:
Likewise.  The classes have been renamed are as following
  emptiness_check -> couvreur99_check
  emptiness_check_shy -> couvreur99_check_shy
  counter_example -> couvreur99_check_result
* src/tgbatest/ltl2tgba.cc, iface/gspn/ltlgspn.cc, iface/gspn/ssp.hh,
iface/gspn/ssp.cc: Adjust to renaming and new interface.

that the true state has only one link when unobs is used.

src/ltlvisit/destroy.cc, src/ltlvisit/dotty.cc,
src/ltlvisit/dump.cc, src/ltlvisit/length.cc,
src/ltlvisit/nenoform.cc, src/ltlvisit/reduce.cc,
src/ltlvisit/syntimpl.cc, src/ltlvisit/tostring.cc,
src/tgba/formula2bdd.cc, src/tgba/tgbabddconcreteproduct.cc,
src/tgba/tgbatba.cc, src/tgbaalgos/dotty.cc,
src/tgbaalgos/dupexp.cc, src/tgbaalgos/lbtt.cc,
src/tgbaalgos/ltl2tgba_lacim.cc, src/tgbaalgos/neverclaim.cc,
src/tgbaalgos/save.cc, src/tgbaalgos/stats.cc,
src/tgbaalgos/gtec/nsheap.cc, src/tgbaalgos/gtec/nsheap.hh:
Declare private classes and helper function in anonymous namespaces.
* HACKING, src/sanity/style.test: Document and check this.
Also check for trailing { after namespace or class.
* src/ltlast/predecl.hh, src/ltlast/visitor.hh,
src/tgba/tgbareduc.hh: Fix trailing {.