Fixed empty scalar in sequence bug

src/node.cpp

@@ -264,7 +264,7 @@ namespace YAML
 		if(node.m_pContent)
 			node.m_pContent->Write(out);
 		else
-			out << "";
+			out << Null;
 
 		return out;
 	}

src/sequence.cpp

@@ -4,6 +4,7 @@
 #include "scanner.h"
 #include "token.h"
 #include "emitter.h"
+#include <stdexcept>
 
 namespace YAML
 {
@@ -80,6 +81,14 @@ namespace YAML
 
 			Node *pNode = new Node;
 			m_data.push_back(pNode);
+			
+			// check for null
+			if(!pScanner->empty()) {
+				const Token& token = pScanner->peek();
+				if(token.type == TT_BLOCK_ENTRY || token.type == TT_BLOCK_END)
+					continue;
+			}
+			
 			pNode->Parse(pScanner, state);
 		}
 	}

src/token.h

@@ -30,7 +30,8 @@ namespace YAML
 		TT_ANCHOR,
 		TT_ALIAS,
 		TT_TAG,
-		TT_SCALAR
+		TT_SCALAR,
+		TT_NULL
 	};
 
 	const std::string TokenNames[] = {
@@ -51,7 +52,8 @@ namespace YAML
 		"ANCHOR",
 		"ALIAS",
 		"TAG",
-		"SCALAR"
+		"SCALAR",
+		"NULL"
 	};
 
 	struct Token {