Fixed basic block seq indentation

src/emitter.cpp

@@ -313,12 +313,14 @@ namespace YAML
     void Emitter::BlockSeqPrepareNode()
     {
         const unsigned curIndent = m_pState->CurIndent();
-        if(m_stream.col() > curIndent) {
-            m_stream << "\n";
+        if(!m_pState->HasTag() && !m_pState->HasAnchor()) {
+            if(m_pState->CurGroupChildCount() > 0) {
+                m_stream << "\n";
+            }
+            m_stream << IndentTo(curIndent);
+            m_stream << "-";
+            m_stream << IndentTo(curIndent + m_pState->CurGroupIndent());
         }
-        m_stream << IndentTo(curIndent);
-        m_stream << "-";
-        m_stream << IndentTo(curIndent + m_pState->CurGroupIndent());
     }
     
     void Emitter::FlowMapPrepareNode()

src/emitterstate.cpp

@@ -119,6 +119,11 @@ namespace YAML
         return m_groups.empty() ? 0 : m_groups.top().indent;
     }
 
+    std::size_t EmitterState::CurGroupChildCount() const
+    {
+        return m_groups.empty() ? 0 : m_groups.top().childCount;
+    }
+
 	void EmitterState::ClearModifiedSettings()
 	{
 		m_modifiedSettings.clear();

src/emitterstate.h

@@ -40,6 +40,7 @@ namespace YAML
 		GroupType::value CurGroupType() const;
         FlowType::value CurGroupFlowType() const;
         int CurGroupIndent() const;
+        std::size_t CurGroupChildCount() const;
 		int CurIndent() const { return m_curIndent; }
         bool HasAnchor() const { return m_hasAnchor; }
         bool HasTag() const { return m_hasTag; }