* src/ltlvisit/tostring.hh (to_string): Add doxygen comments.
* src/ltlast/multop.hh (multop::paircmp): Add doxygen comments.
* src/ltlvisit/postfix.hh: Typo.

(libltlast_la_SOURCES): Move all headers to ltlast_HEADERS.
* src/ltlenv/Makefile.am (ltlenvdir, ltlenv_HEADERS): New variables.
(libltlenv_la_SOURCES): Move all headers to ltlenv_HEADERS.
* src/ltlparse/Makefile.am (ltlparsedir, ltlparse_HEADERS): New
variables.
(libltlparse_la_SOURCES): Move all public headers to ltlparse_HEADERS.
* src/ltlvisit/Makefile.am (ltlvisitdir, ltlvisit_HEADERS): New
variables.
(libltlvisit_la_SOURCES): Move all headers to ltlparse_HEADERS.
* src/misc/Makefile.am (include_HEADERS): Rename as ..
(misc_HEADERS): ... this.
(miscdir): New variable.
* src/tgba/Makefile.am (tgbadir, tgba_HEADERS): New variables.
(libtgba_la_SOURCES): Move all headers to tgba_HEADERS.
* src/tgbaalgos/Makefile.am (tgbaalgosdir, tgbaalgos_HEADERS):
New variables.
(libtgbaalgos_la_SOURCES): Move all headers to tgbaalgos_HEADERS.
* src/tgbaparse/Makefile.am (tgbaparsedir, tgbaparse_HEADERS): New
variables.
(libtgbaparse_la_SOURCES): Move all public headers to
tgbaparse_HEADERS.
* src/tgbaparse/public.hh: Include ltlparse/location.hh, not
location.hh.

* src/tgbaparse/Makefile.am (AM_CPPFLAGS): Add $(BUDDY_CPPFLAGS).

* src/Makefile.am (SUBDIRS): Add tgbaparse.
(libspot_la_LDADD): Add tgbaparse/libtgbaparse.la.
* src/tgba/tgbaexplicit.cc (tgba_explicit::get_condition,
tgba_explicit::get_promise, tgba_explicit::add_neg_condition,
tgba_explicit::add_neg_promise): New methods.
* src/tgba/tgbaexplicit.hh: Declare them.
* src/tgbaparse/Makefile.am, src/tgbaparse/fmterror.cc,
src/tgbaparse/parsedecl.hh, src/tgbaparse/public.hh,
src/tgbaparse/tgbaparse.yy, src/tgbaparse/tgbascan.ll,
src/tgbatest/tgbaread.cc, src/tgbatest/tgbaread.test: New files.
* src/tgbatest/Makefile.am (check_PROGRAMS): Add tgbaread.
(TESTS): Add tgbaread.cc.
(CLEANFILES): Add input.
(tgbaread_SOURCES): New variable.