Use unsigned char, not char, throughout.

Closes #43.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/stmd.h b/src/stmd.h
index c6473a6..552e60e 100644
--- a/src/stmd.h
+++ b/src/stmd.h
@@ -56,7 +56,7 @@ struct ListData {
 struct FencedCodeData {
 	int               fence_length;
 	int               fence_offset;
-	char              fence_char;
+	unsigned char     fence_char;
 	strbuf            info;
 };