corresponding automaton via the automaton() method of the
gspn_interface and gspn_eesrg_interface classes.
* iface/gspn/gspn.hh (gspn_interface::gspn_interface): Take dict and
env arguments.
(gspn_interface::automaton): New method.
(tgba_gspn): Move all the declaration ...
* iface/gspn/gspn.cc (tgba_gspn): ... here.
(gspn_interface::automaton): Implement it.
* iface/gspn/eesrg.hh (gspn_eesrg_interface::gspn_eesrg_interface):
Take dict and env arguments.
(gspn_eesrg_interface::automaton): New method.
(tgba_gspn_eesrg): Move all the declaration ...
* iface/gspn/gspn.cc (tgba_gspn_eesrg): ... here.
(gspn_eesrg_interface::automaton): Implement it.
* iface/gspn/dottygspn.cc, iface/gspn/dottyeesrg.cc,
iface/gspn/ltlgspn.cc: Adjust.
just strip the last one. Escaping must be done at output.
* iface/gspn/gspm.cc (format_state): Likewise.
* src/misc/escape.hh, src/misc/escape.cc: New files.
* src/misc/Makefile.am: Add them.
* src/tgba/bddprint.cc (bdd_format_accset): New function.
* src/tgba/bddprint.hh (bdd_format_accset): New function.
* src/tgbaalgos/dotty.cc (dotty_bfs::process_state):
Escape the state name using escape_str().
(dotty_bfs::process_link): Escape conditions and acceptance
conditions using escape_str().
* src/tgbaalgos/save.cc (save_bfs::start): Call print_acc().
(save_bfs::print_acc): New function extracted from save_bfs::start().
Escape each acceptance condition.
(save_bfs::process_state): Use escape_str() and print_acc()
the iteration logic.
(tgba_succ_iterator_gspn_eesrg::tgba_succ_iterator_gspn_eesrg): Make
sure not to free successors_ twice.
(tgba_succ_iterator_gspn_eesrg::done): Fix definition.
