Added newlines, fixed map/map

src/emitter.cpp

@@ -249,11 +249,15 @@ namespace YAML
 	{
 		if(!good())
 			return;
+        
+        PrepareNode(m_pState->NextGroupType(GroupType::None));
+        m_stream << "\n";
+        m_pState->SetNonContent();
 	}
 
 	bool Emitter::CanEmitNewline() const
 	{
-        return false;
+        return true;
 	}
 
     // Put the stream in a state so we can simply write the next node

src/emitterstate.cpp

@@ -4,7 +4,7 @@
 
 namespace YAML
 {
-	EmitterState::EmitterState(): m_isGood(true), m_curIndent(0), m_hasAnchor(false), m_hasTag(false)
+	EmitterState::EmitterState(): m_isGood(true), m_curIndent(0), m_hasAnchor(false), m_hasTag(false), m_hasNonContent(false)
 	{
 		// set default global manipulators
 		m_charset.set(EmitNonAscii);
@@ -53,6 +53,11 @@ namespace YAML
         m_hasTag = true;
     }
 
+    void EmitterState::SetNonContent()
+    {
+        m_hasNonContent = true;
+    }
+
     void EmitterState::BeginNode()
     {
         if(!m_groups.empty())
@@ -60,6 +65,7 @@ namespace YAML
         
         m_hasAnchor = false;
         m_hasTag = false;
+        m_hasNonContent = false;
     }
 
     EmitterNodeType::value EmitterState::NextGroupType(GroupType::value type) const

src/emitterstate.h

@@ -36,6 +36,7 @@ namespace YAML
 		// node handling
         void SetAnchor();
         void SetTag();
+        void SetNonContent();
         void BeginScalar();
 		void BeginGroup(GroupType::value type);
 		void EndGroup(GroupType::value type);
@@ -51,7 +52,7 @@ namespace YAML
 		int CurIndent() const { return m_curIndent; }
         bool HasAnchor() const { return m_hasAnchor; }
         bool HasTag() const { return m_hasTag; }
-        bool HasBegunNode() const { return m_hasAnchor || m_hasTag; }
+        bool HasBegunNode() const { return m_hasAnchor || m_hasTag || m_hasNonContent; }
 
 		void ClearModifiedSettings();
 
@@ -157,6 +158,7 @@ namespace YAML
 		unsigned m_curIndent;
         bool m_hasAnchor;
         bool m_hasTag;
+        bool m_hasNonContent;
 	};
 
 	template <typename T>

util/sandbox.cpp

@@ -9,7 +9,10 @@ int main()
     out << "foo";
     out << YAML::LocalTag("hi") << "bar";
     out << YAML::Anchor("asdf") << YAML::BeginMap;
-    out << "a" << "b" << "c" << "d";
+    out << "a" << "b" << "c" << YAML::Newline;
+    out << YAML::Anchor("a") << YAML::BeginMap;
+    out << "a" << "b";
+    out << YAML::EndMap;
     out << YAML::EndMap;
     out << YAML::LocalTag("hi") << YAML::BeginSeq;
     out << "a" << "b";