* src/SpotWrapper.hh (SpotWrapper::SPOT_XOR): Declare.
* src/SpotWrapper.cc (SpotWrapper::SPOT_XOR): Define.
(SpotWrapper::translateFormula): Use SPOT_XOR.

* Makefile.am (MAYBE_LBTT): New variables.
(SUBDIRS): Add $(MAYBE_LBTT).
(EXTRA_DIST): Add m4/lbtt.m4.
* configure.ac: Call AX_CHECK_LBTT.
* m4/lbtt.m4: New file.
* src/tgbatest/Makefile.am (check_PROGRAMS): Add spotlbtt.
(spotlbtt_SOURCES): New variables.
(TESTS): Add spotlbtt.test.
(CLEANFILE): Add config.
* src/tgbatest/defs.in (top_builddir, LBTT, LBTT_TRANSLATE): New
substitutions.
* src/tgbatest/spotlbtt.cc, src/tgbatest/spotlbtt.test: New files.

* src/main.cc (testLoop): Return 1 iff an error occured.
(main): Use testLoop's output as exit status.

Declare class SpotWrapper as a friend.
* src/SpotWrapper.h, src/SpotWrapper.cc: New files.
* src/Makefile.am (lbtt_translate_SOURCES): Add SpotWrapper.cc
and SpotWrapper.h.
* src/translate.cc (main): Add the --spot option, and build
a SpotWrapper of required.

Fix computation of states sharing the same accepting set.

Fix computation of states sharing the same accepting state.

* src/tgbaalgos/lbtt.cc (fill_todo): Add the 'first' argument
to designate initial states.
(lbtt_reachable): Adjust calls to fill_todo.  Handle the
fake initial state accepting conditions specially.
* src/tgbaalgos/lbtt.hh: Update comments.

guards with -1 in output.

* src/tgbaalgos/lbtt.cc, src/tgbaalgos/lbtt.hh: New files.
* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS): Add lbtt.hh.
(libtgbaalgos_la_SOURCES): Add lbtt.cc.
* src/tgba/bddprint.cc (print_sat_handler): Put a space after "!".
* src/tgbatest/readsave.test: Adjust spaces after "!".

* iface/gspn/gspn.cc, iface/gspn/gspn.hh: New files.
* iface/gspn/Makefile.am (libspotgspn_la_SOURCES): Add them.

current_accepting_conditions): Mark as const.
* src/tgba/succiterconcrete.cc, src/tgba/succiterconcrete.hh,
src/tgba/tgbaexplicit.cc, src/tgba/tgbaexplicit.hh,
src/tgba/tgbaproduct.cc, src/tgba/tgbaproduct.hh,
src/tgba/tgbatranslateproxy.cc, src/tgba/tgbatranslateproxy.hh:
Likewise.

[__cplusplus]: Wrap everything under extern "C".

(tgba_succ_iterator_concrete::current_acc_): New attribute.
* src/tgba/succiterconcrete.cc
(tgba_succ_iterator_concrete::next): Set current_acc_.
(tgba_succ_iterator_concrete::current_accepting_conditions):
Simply return it.

* iface/Makefile.am, iface/gspn/Makefile.am: New files.
* Makefile.am (SUBDIRS): Add iface.
* iface/gspn/gspnlib.h: New file, from Yann and Souheib.

tgba_bdd_core_data::translate): Handle all_accepting_conditions.
* src/tgba/tgbabddconcretefactory.cc
(tgba_bdd_concrete_factory::finish): Fill all_accepting_conditions.

* src/Alloc.h (__INT_TO_PTR): Redefine to work around glibc 2.3.
* doc/texinfo.tex: New upstream version.

accepting conditions w.r.t. to Now variables, not Next.

Simplify, do not call next_non_false_() either side is done.

State that this is a boolean function.
* src/tgba/succiterconcrete.hh
(tgba_succ_iterator_concrete::trans_dest_,
tgba_succ_iterator_concrete::trans_set_,
tgba_succ_iterator_concrete::trans_set_left_,
tgba_succ_iterator_concrete::neg_trans_set_): Remove.
* src/tgba/succiterconcrete.cc
(tgba_succ_iterator_concrete::tgba_succ_iterator_concrete,
tgba_succ_iterator_concrete::first): Adjust to removed members.
(tgba_succ_iterator_concrete::next): Simplify, transitions
are no labelled by boolean functions, not only conjunctions.
Suggested by Denis Poitrenaud.

function.
* src/tgba/tgbabddcoredata.cc (tgba_bdd_core_data::translate):
Likewise.
* src/tgba/tgbabddtranslatefactory.cc
(tgba_bdd_translate_factory::tgba_bdd_translate_factory): Use
tgba_bdd_core_data::translate.

New attribute.
* tgba/tgbabddcoredata.cc, tgba/tgbabddtranslatefactory.cc:
Handle nownext_set.
* src/tgba/succiterconcrete.cc
(tgba_succ_iterator_concrete::next): Use nownext_set to simplify.

(or is it the fifth?).

* src/tgba/succiterconcrete.hh
(tgba_succ_iterator_concrete::trans_dest_,
tgba_succ_iterator_concrete::trans_set_,
tgba_succ_iterator_concrete::trans_set_left_,
tgba_succ_iterator_concrete::neg_trans_set_): New attributes.
* src/tgba/succiterconcrete.cc
(tgba_succ_iterator_concrete::tgba_succ_iterator_concrete): Initialize
new members.
(tgba_succ_iterator_concrete::first): Likewise.
(tgba_succ_iterator_concrete::next): Rewrite.
* tgba/tgbabddcoredata.hh (tgba_bdd_core_data::acc_set): New attribute.
* tgba/tgbabddcoredata.cc, tgba/tgbabddtranslatefactory.cc:
Handle acc_set.

(tgba_bdd_translate_factory::tgba_bdd_translate_factory): Translate
varandnext_set.

collaboration diagrams.
* doc/mainpage.dox: Typo.

* src/tgba/state.hh (state::as_bdd): Delete.
* src/tgba/tgbaproduct.hh (state_bdd_product): Inherit from state,
not state_bdd.
(state_bdd_product::state_bdd_product): Adjust.
* src/tgba/tgbaproduct.cc (state_bdd_product::state_bdd_product):
Adjust.

* src/tgba/succiter.hh (tgba_bdd_succ_iterator::done):
Mark as const.
* src/tgba/succiterconcrete.cc
(tgba_succ_iterator_concrete::done): Likewise.
* src/tgba/succiterconcrete.hh
(tgba_succ_iterator_concrete::done): Likewise.
* src/tgba/tgbaexplicit.cc
(tgba_explicit_succ_iterator::done): Likewise.
* src/tgba/tgbaexplicit.hh
(tgba_explicit_succ_iterator::done): Likewise.
* src/tgba/tgbaproduct.cc
(tgba_product_succ_iterator::done): Likewise.
* src/tgba/tgbaproduct.hh
(tgba_product_succ_iterator::done): Likewise.
* src/tgba/tgbatranslateproxy.hh
(tgba_translate_proxy_succ_iterator::done): Likewise.
* src/tgba/tgbatranslateproxy.cc
(tgba_translate_proxy_succ_iterator::done): Likewise.

* src/tgba/succiterconcrete.cc
(tgba_succ_iterator_concrete::next): Call bdd_satoneset
on data_.varandnext_set.  The previous implementation
was wrong for GFa.
* src/tgba/tgbabddcoredata.hh: Declare varandnext_set.
* src/tgba/tgbabddcoredata.cc: Handle varandnext_set.

* doc/Makefile.am (spotref.pdf): New rule.
(EXTRA_DIST): Add spotref.pdf.

(tgba_bdd_concrete_factory::tgba_bdd_concrete_factory): New.
(tgba_bdd_concrete_factory::create_state): Update now_to_next_.
(tgba_bdd_concrete_factory::finish): Constraint Next variables
in the relation.
* src/tgba/tgbabddconcretefactory.hh
(tgba_bdd_concrete_factory::now_to_next_): New variable.

(tgba_bdd_concrete_factory::tgba_bdd_concrete_factory): New.
(tgba_bdd_concrete_factory::create_state): Update now_to_next_.
(tgba_bdd_concrete_factory::finish): Constraint Next variables
in the relation.
* src/tgba/tgbabddconcretefactory.hh
(tgba_bdd_concrete_factory::now_to_next_): New variable.

* src/tgba/state.hh (state_ptr_less_than::operator()): Make it const.
* src/tgba/tgbaproduct.cc: Include string.hh.
* src/ltlast/multop.hh (multop::add, multop::add_sorted): Do
not use qualified names in declarations.
* m4/gccwarn.m4 (CF_GXX_WARNINGS): Fix GXX test.
* src/ltlenv/defaultenv.hh, src/ltlenv/defaultenv.cc,
src/ltlenv/environment.hh: Add virtual destructors.