* src/bin/ltl2tgba.cc (--stats): New option.
* src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh (stat_printer): New
class.

* src/bin/ltlfilt.cc: Extra input options into...
* src/bin/common_finput.cc, src/bin/common_finput.hh: ... these new
files...
* src/bin/ltl2tgba.cc: ... and use them here.
* src/bin/Makefile.am: Adjust.

* src/bin/ltl2tgba.cc: Add option -8.
* src/tgbatest/ltl2tgba.cc, wrap/python/spot.i: Enable utf8 on
sba_explicit_formula automata too.

* src/bin/common_r.hh: Include common_sys.hh first.
* src/sanity/80columns.test: Set LANG.

* src/sanity/Makefile.am: Pass TOPBUILD to includes.test, and split the
tests in different targets.
* src/sanity/includes.test: Add include directories to bin/'s headers.

* src/ltlvisit/relabel.cc, src/ltlvisit/relabel.hh: New files.
* src/ltlvisit/Makefile.am: Add them.
* src/ltlvisit/clone.cc (recurse): Don't call clone(), nobody
needs that.  Instead, really recurse.
* src/bin/ltlfilt.cc: Add a --relabel option.
* src/bin/genltl.cc: Relabel formulas if --lbt is used.
* src/sanity/style.test: Tweak detection of i++.

* src/ltlvisit/lbt.cc, src/ltlvisit/lbt.hh: New files.
* src/ltlvisit/Makefile.am: Add them.
* src/bin/common_output.cc, src/bin/common_output.hh: Add
support for LBT output, and reporting formulae that cannot
be output in this syntax.
* src/bin/ltlfilt.cc: Pass filename and linenum to
output_formula() for better error reporting.

* src/ltlparse/public.hh (parse_lbt): New function.
* src/ltlparse/ltlparse.yy, src/ltlparse/ltlscan.ll: Implement it.
* src/bin/ltlfilt.cc: Use it.

* src/tgbaalgos/minimize.cc, src/tgbaalgos/minimize.hh
(minimize_dfa, minimize_wdba): Return a sba_explicit_number automaton
instead of tgba_explicit_number.
* src/tgba/tgbaexplicit.hh (declare_acceptance_condition): Fix code
so it works on sba as well.
* src/tgbaalgos/dotty.cc, src/tgbaalgos/neverclaim.cc: Specialize
for sba instead of tgba_sba_proxy.
* src/tgbaalgos/neverclaim.hh: Point to degeneralize().

* src/bin/common_cout.cc, src/bin/common_cout.hh: New files.
* src/bin/Makefile.am: Add them.
* src/bin/ltl2tgba.cc, src/bin/ltlfilt.cc, src/bin/common_output.cc:
Report error when writing to std::cout failed.  This is mainly
motivated by ltlfilt not being killed by SIGPIPE on lip6's OSX
buildfarm (SIGPIPE is probably ignored when the build is started), but
it could detect other errors such as a disk full.

* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: New class to
capture the postprocessing logic.
* src/tgbaalgos/Makefile.am: Add them.
* src/bin/ltl2tgba.cc, src/bin/man/ltl2tgba.x: New files.
* src/bin/Makefile.am, src/bin/man/Makefile.am: Add them.
* src/tgbatest/spotlbtt.test: Prune the list of configurations slightly.
* src/tgbatest/spotlbtt2.test: New file.
* src/tgbatest/Makefile.am: Add it.
* bench/ltl2tgba/algorithms, bench/ltl2tgba/defs.in: Adjust to
use the new binary.
* NEWS: Update.

* src/bin/common_sys.hh: New file.
* src/bin/Makefile.am: Add it.
* src/bin/common_output.hh, src/bin/common_r.cc,
src/bin/common_range.cc, src/bin/genltl.cc, src/bin/ltlfilt.cc,
src/bin/randltl.cc: Include common_sys.hh instead of config.h.

* src/tgbaalgos/isdet.cc, src/tgbaalgos/isdet.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* wrap/python/spot.i: Wrap them.
* wrap/python/ajax/spot.in: Display count of nondeterministic
states.
* src/tgbatest/ltl2tgba.cc (-kt): Likewise.
* NEWS: Upadte.

* bench/gspn-ssp/: Delete recursively.
* bench/Makefile.am, README, configure.ac: Adjust.

* src/ltltest/randltl.cc: Delete.
* src/ltltest/Makefile.am (noinst_PROGRAMS, randltl_SOURCES): Remove.
* src/ltltest/reduc.test, src/ltltest/reducpsl.test,
src/ltltest/utf8.test, src/tgbatest/randpsl.test,
bench/emptchk/README: Adjust to use bin/randltl.

* src/ltltest/genltl.cc: Delete.
* src/ltltest/Makefile.am (noinst_PROGRAMS): Remove genltl.
* src/tgbatest/ltlcounter.test, bench/ltlclasses/run,
bench/ltlcounter/run: Adjust to call bin/genltl.

* src/sanity/style.test: Fix the space-after-comma test.
* src/bin/randltl.cc, src/tgba/tgbaexplicit.hh: Add missing spaces.

* src/bin/randltl.cc: Replace the --unique by an --allow-dups option.

* src/bin/common_r.cc, src/bin/common_r.hh: New files, extracted from...
* src/bin/ltlfilt.cc: Here.
* src/bin/randltl.cc: Use them.
* src/bin/Makefile.am: Adjust.

* src/ltlvisit/simplify.hh, src/ltlvisit/simplify.cc: Here.

* src/bin/common_range.cc, src/bin/common_range.hh: New files,
extracted from...
* src/bin/genltl.cc: ... here.
* src/bin/randltl.cc, src/bin/man/randltl.x: New files.
* src/bin/Makefile.am, src/bin/man/Makefile.am: Adjust.
* src/bin/man/genltl.x: Point to randltl(1).

* tools/help2man, tools/x-to-1.in: New files, copied from gnulib
1af55d85d9762a679b4302d5995f05ccd883e956.
* configure.ac: Create x-to-1 and export CROSS_COMPILING.
* Makefile.am: Distribute help2man.
* src/bin/Makefile.am (SUBDIRS): New.
* src/bin/man/Makefile.am: New file.
* src/bin/man/genltl.x, src/bin/man/ltlfilt.x: New files.
* src/bin/genltl.cc: Document the RANGE in the options,
and move the bibliography to genltl.x.
* README: Document src/bin/man

* src/bin/common_output.cc, src/bin/common_output.hh: New file
with the common output code.
* src/bin/Makefile.am: Add them.
* src/bin/genltl.cc, src/bin/ltlfilt.cc: Simplify, using
argp's children parser, and calling output_formula().

* src/bin/ltlfilt.cc: Do it.

* src/ltlvisit/simplify.cc, src/ltlvisit/simplify.hh: Add a
implication() option.
* src/bin/ltlfilt.cc: Add options --implied-by, --imply, and
--equivalent-to.

* src/bin/genltl.cc: New file.
* src/bin/Makefile.am: Add it.

* lib/error.c, lib/error.h, lib/msvc-inval.c, lib/msvc-inval.h,
lib/msvc-nothrow.c, lib/msvc-nothrow.h, m4/error.m4, m4/msvc-inval.m4,
m4/msvc-nothrow.m4: New files from gnulib
1af55d85d9762a679b4302d5995f05ccd883e956.
* lib/Makefile.am, m4/gnulib-cache.m4, m4/gnulib-comp.m4: Adjust.
* src/bin/ltlfilt.cc: Use error() and error_at_line().

* src/bin/ltlfilt.cc (main): Call set_program_name().
* lib/progname.c, lib/progname.h: New files, from gnulib
1af55d85d9762a679b4302d5995f05ccd883e956.
* lib/Makefile.am, m4/gnulib-cache.m4, m4/gnulib-comp.m4: Adjust.