From b20e7717ef1db36b9bddb00e0b893f6082da7d29 Mon Sep 17 00:00:00 2001
From: Martin van der Werff <github@newinnovations.nl>
Date: Fri, 23 Jul 2021 07:57:58 +0200
Subject: [PATCH] XML file detection: ignore BOM (#449)

Fix loading EPUBs containing XML files starting
with the byte order mark (BOM).
---
 crengine/src/lvxml.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crengine/src/lvxml.cpp b/crengine/src/lvxml.cpp
index ec5e91bab..e43b0df9f 100644
--- a/crengine/src/lvxml.cpp
+++ b/crengine/src/lvxml.cpp
@@ -2910,7 +2910,7 @@ bool LVXMLParser::CheckFormat()
                 res = true;
                 // check that only whitespace chars before <
                 for ( int i=0; i<lt_pos && res; i++)
-                    res = IsSpaceChar( chbuf[i] );
+                    res = IsSpaceChar( chbuf[i] ) || chbuf[i] == 0xfeff;
             }
         }
     }