Merged r270:HEAD of the emitting-unicode branch

include/emitter.h

@@ -29,6 +29,7 @@ namespace YAML
 		const std::string GetLastError() const;
 		
 		// global setters
+		bool SetOutputCharset(EMITTER_MANIP value);
 		bool SetStringFormat(EMITTER_MANIP value);
 		bool SetBoolFormat(EMITTER_MANIP value);
 		bool SetIntBase(EMITTER_MANIP value);

include/emittermanip.h

@@ -11,6 +11,10 @@ namespace YAML
 	enum EMITTER_MANIP {
 		// general manipulators
 		Auto,
+
+		// output character set
+		EmitNonAscii,
+		EscapeNonAscii,
 		
 		// string manipulators
 		// Auto, // duplicate