* src/ltlvisit/kind.hh, src/ltlvisit/kind.cc: New files. * src/ltlvisit/Makefile.am: Add them. * src/ltltest/kind.test, src/ltltest/kind.cc: New files. * src/ltltest/Makefile.am: Add them.
families of LTL formulae. * src/ltltest/genltl.cc: New file. Based on five classes of formulae defined in a paper by Cichón, Czubak, and Jasiński. * src/ltltest/Makefile.am (noinst_PROGRAMS): Build genltl.