In this directory: - py2_test_grammar.py -- test file that exercises most/all of Python 2.x's grammar. - py3_test_grammar.py -- test file that exercises most/all of Python 3.x's grammar. - infinite_recursion.py -- test file that causes lib2to3's faster recursive pattern matching scheme to fail, but passes when lib2to3 falls back to iterative pattern matching. - fixes/ -- for use by test_refactor.py