introduce spot::simplify_acceptance()
Simplify some automata where some marks are identical, or complementary to another. Fixes #216. * NEWS: mention the new function. * spot/twaalgos/cleanacc.cc, spot/twaalgos/cleanacc.hh: Implement the function. * tests/Makefile.am, tests/python/merge.py: Test this implementation.
tests/python/merge.py
0 → 100644