From ac6b5224bb1384962edbd68f65090d380eccc14c Mon Sep 17 00:00:00 2001
From: "nicolas.goutaland" <nicolas.goutaland@gmail.com>
Date: Wed, 12 Sep 2018 11:41:27 +0200
Subject: [PATCH] Fixed crash

---
 Classes/GONMarkupParserUtils.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Classes/GONMarkupParserUtils.m b/Classes/GONMarkupParserUtils.m
index 622bbd1..08b181b 100644
--- a/Classes/GONMarkupParserUtils.m
+++ b/Classes/GONMarkupParserUtils.m
@@ -28,7 +28,9 @@ + (void)cleanHTMLEntitiesFromString:(NSMutableString *)inputString
                             options:0
                               range:NSMakeRange(0, inputString.length)
                          usingBlock:^(NSTextCheckingResult * _Nullable result, NSMatchingFlags flags, BOOL * _Nonnull stop) {
-                             [inputString replaceCharactersInRange:result.range withString:[dicEntities objectForKey:[inputString substringWithRange:result.range]]];
+                             NSString *entity = [dicEntities objectForKey:[inputString substringWithRange:result.range]];
+                             if (entity)
+                                 [inputString replaceCharactersInRange:result.range withString:entity];
                          }];
 }