From 7e744771adc3b6ce51668434923d1deeb053a120 Mon Sep 17 00:00:00 2001
From: Ant Mitchell <ant@ws.curiosity.filmlight.ltd.uk>
Date: Tue, 24 Mar 2015 14:33:28 +0000
Subject: [PATCH] Issue299 - Allow Accept() to work with element trees that are
 not linked in to the owning document.

---
 tinyxml2.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 57a4840..a22f251 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -2297,8 +2297,12 @@ bool XMLPrinter::VisitEnter( const XMLDocument& doc )
 
 bool XMLPrinter::VisitEnter( const XMLElement& element, const XMLAttribute* attribute )
 {
-	const XMLElement*	parentElem = element.Parent()->ToElement();
-	bool		compactMode = parentElem ? CompactMode(*parentElem) : _compactMode;
+    const XMLElement*	parentElem = NULL;
+    if (  element.Parent() )
+    {
+	parentElem = element.Parent()->ToElement();
+    }
+    bool		compactMode = parentElem ? CompactMode(*parentElem) : _compactMode;
     OpenElement( element.Name(), compactMode );
     while ( attribute ) {
         PushAttribute( attribute->Name(), attribute->Value() );