Comment by SloopJon

Perhaps you'd be interested to know that your JSONDemo program fails the following tests:

hang:

y_number_huge_exp.json

segfault:

n_structure_100000_opening_arrays.json

n_structure_open_array_object.json

fail:

n_number_then_00.json

n_string_unescaped_tab.json

n_structure_capitalized_True.json