Tags, anchors, and aliases are all parsed now.

parserstate.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <string>
+#include <map>
+
+namespace YAML
+{
+	struct Version {
+		int major, minor;
+	};
+
+	struct ParserState
+	{
+		Version version;
+		std::map <std::string, std::string> tags;
+
+		void Reset();
+		std::string TranslateTag(const std::string& handle) const;
+	};
+}