Function version

api_test/main.c:37–41

static void test_continuation_byte(test_batch_runner *runner, const char *utf8);

static void version(test_batch_runner *runner) {
  INT_EQ(runner, cmark_version(), CMARK_VERSION, "cmark_version");
  STR_EQ(runner, cmark_version_string(), CMARK_VERSION_STRING,
         "cmark_version_string");
}

static void constructor(test_batch_runner *runner) {
  for (int i = 0; i < num_node_types; ++i) {