just some small coment+cleanup

src/DifficultyList.cpp

@@ -78,6 +78,7 @@ void StepsDisplayList::LoadFromNode( const XNode* pNode )
 
 	for( unsigned m = 0; m < m_Lines.size(); ++m )
 	{
+		// todo: Row1, Row2? also m_sName+"Row" -aj
 		m_Lines[m].m_Meter.SetName( "Row" );
 		m_Lines[m].m_Meter.Load( "StepsDisplayListRow", NULL );
 		this->AddChild( &m_Lines[m].m_Meter );

src/GameState.cpp

@@ -1965,7 +1965,7 @@ bool GameState::ChangePreferredDifficulty( PlayerNumber pn, int dir )
 }
 
 /* The user may be set to prefer a difficulty that isn't always shown; typically,
- * Difficulty_Edit.  Return the closest shown difficulty <= m_PreferredDifficulty. */
+ * Difficulty_Edit. Return the closest shown difficulty <= m_PreferredDifficulty. */
 Difficulty GameState::GetClosestShownDifficulty( PlayerNumber pn ) const
 {
 	const vector<Difficulty> &v = CommonMetrics::DIFFICULTIES_TO_SHOW.GetValue();

src/GrooveRadar.cpp

@@ -63,7 +63,7 @@ void GrooveRadar::TweenOnScreen()
 	{
 		m_sprRadarLabels[c].SetX( LABEL_OFFSET_X(c) );
 		m_sprRadarLabels[c].PlayCommand( "PreDelayOn" );
-		m_sprRadarLabels[c].BeginTweening( LABEL_ON_DELAY*c );	// sleep
+		m_sprRadarLabels[c].BeginTweening( LABEL_ON_DELAY*c ); // sleep
 		m_sprRadarLabels[c].PlayCommand( "PostDelayOn" );
 	}
 
@@ -83,9 +83,8 @@ void GrooveRadar::TweenOffScreen()
 	{
 		m_sprRadarLabels[c].StopTweening();
 		m_sprRadarLabels[c].BeginTweening( 0.2f );
-		/* Make sure we undo glow.  We do this at the end of TweenIn,
-		 * but we might tween off before we complete tweening in, and
-		 * the glow can remain. */
+		/* Make sure we undo glow. We do this at the end of TweenIn, but we might
+		 * tween off before we complete tweening in, and the glow can remain. */
 		m_sprRadarLabels[c].SetGlow( RageColor(1,1,1,0) );
 		m_sprRadarLabels[c].SetDiffuse( RageColor(1,1,1,0) );
 	}
@@ -108,7 +107,7 @@ void GrooveRadar::SetFromRadarValues( PlayerNumber pn, const RadarValues &rv )
 	m_GrooveRadarValueMap[pn].SetFromSteps( rv );
 }
 
-void GrooveRadar::SetFromSteps( PlayerNumber pn, Steps* pSteps )	// NULL means no Song
+void GrooveRadar::SetFromSteps( PlayerNumber pn, Steps* pSteps ) // NULL means no Song
 {
 	if( pSteps == NULL )
 	{
@@ -120,7 +119,6 @@ void GrooveRadar::SetFromSteps( PlayerNumber pn, Steps* pSteps )	// NULL means n
 	m_GrooveRadarValueMap[pn].SetFromSteps( rv );
 }
 
-
 GrooveRadar::GrooveRadarValueMap::GrooveRadarValueMap()
 {
 	m_bValuesVisible = false;
@@ -146,7 +144,7 @@ void GrooveRadar::GrooveRadarValueMap::SetFromSteps( const RadarValues &rv )
 		const float fValueCurrent = m_fValuesOld[c] * (1-m_PercentTowardNew) + m_fValuesNew[c] * m_PercentTowardNew;
 		m_fValuesOld[c] = fValueCurrent;
 		m_fValuesNew[c] = rv[c];
-	}	
+	}
 
 	if( !m_bValuesVisible ) // the values WERE invisible
 		m_PercentTowardNew = 1;