Added `CMARK_OPT_VALIDATE_UTF8` option.

Also command line option `--validate-utf8`.

This option causes cmark to check for valid UTF-8,
replacing invalid sequences with the replacement
character, U+FFFD.

Reinstated api tests for utf8.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index c23071f..5dc97b2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -92,6 +92,8 @@ int main(int argc, char *argv[])
 			options |= CMARK_OPT_SMART;
 		} else if (strcmp(argv[i], "--normalize") == 0) {
 			options |= CMARK_OPT_NORMALIZE;
+		} else if (strcmp(argv[i], "--validate-utf8") == 0) {
+			options |= CMARK_OPT_VALIDATE_UTF8;
 		} else if ((strcmp(argv[i], "--help") == 0) ||
 		           (strcmp(argv[i], "-h") == 0)) {
 			print_usage();