diff --git a/tagmanager/ctags/asciidoc.c b/tagmanager/ctags/asciidoc.c
index 4dfa4059..ffad9c63 100644
--- a/tagmanager/ctags/asciidoc.c
+++ b/tagmanager/ctags/asciidoc.c
@@ -121,7 +121,8 @@ static int get_kind(char c)
 
 
 /* computes the length of an UTF-8 string
- * if the string doesn't look like UTF-8, return -1 */
+ * if the string doesn't look like UTF-8, return -1
+ * FIXME consider East_Asian_Width Unicode property */
 static int utf8_strlen(const char *buf, int buf_len)
 {
 	int len = 0;
@@ -166,7 +167,7 @@ static void findAsciidocTags (void)
 		if (name_len < 0)
 			name_len = name_len_bytes;
 
-		/* underlines must be +-2 chars */
+		/* underlines must be +-2 chars FIXME detect single line titles */
 		if (line_len >= name_len - 2 && line_len <= name_len + 2 && name_len > 0 &&
 			ispunct(line[0]) && issame((const char*) line))
 		{