clean up the depth tracking a bit
diff --git a/tinyxml2.h b/tinyxml2.h
index e8b430f..8548b35 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -106,10 +106,12 @@
 #define TINYXML2_MINOR_VERSION 1

 #define TINYXML2_PATCH_VERSION 0

 

-// This is problematic. There needs to be a limit to avoid a stack

-// overflow. However, that limit varies per system. Going with 

-// the MS value for now. May adjust in future versions.

-static const int TINYXML2_MAX_ELEMENT_DEPTH = 256;

+// A fixed element depth limit is problematic. There needs to be a 

+// limit to avoid a stack overflow. However, that limit varies per 

+// system, and the capacity of the stack. On the other hand, it's a trivial 

+// attack that can result from ill, malicious, or even correctly formed XML, 

+// so there needs to be a limit in place.

+static const int TINYXML2_MAX_ELEMENT_DEPTH = 100;

 

 namespace tinyxml2

 {

@@ -1915,8 +1917,8 @@
 	private:

 		XMLDocument * _document;

 	};

-	bool PushDepth();

-	bool PopDepth();

+	void PushDepth();

+	void PopDepth();

 

     template<class NodeType, int PoolElementSize>

     NodeType* CreateUnlinkedNode( MemPoolT<PoolElementSize>& pool );