From 4ff89123a4da75a1d81dae3126e07b3e3fed556a Mon Sep 17 00:00:00 2001
From: yuin <yuin@inforno.net>
Date: Wed, 15 May 2019 17:54:37 +0900
Subject: [PATCH] Issue #5 : Fixed 'index out of range' error when FilterTags
 exists

---
 parser/raw_html.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/parser/raw_html.go b/parser/raw_html.go
index d686328..fcc76e2 100644
--- a/parser/raw_html.go
+++ b/parser/raw_html.go
@@ -84,7 +84,7 @@ func (s *rawHTMLParser) parseMultiLineRegexp(reg *regexp.Regexp, block text.Read
 	}
 
 	if m != nil {
-		if s.FilterTags != nil {
+		if s.FilterTags != nil && len(m) > 1 {
 			tagName := string(m[1])
 			if _, ok := s.FilterTags[tagName]; ok {
 				return nil