diff --git a/include/osgShadow/DebugShadowMap b/include/osgShadow/DebugShadowMap
index 8b1881ec3..bed69df1c 100644
--- a/include/osgShadow/DebugShadowMap
+++ b/include/osgShadow/DebugShadowMap
@@ -117,8 +117,8 @@ class OSGSHADOW_EXPORT DebugShadowMap : public ViewDependentShadowTechnique
 
             typedef std::map< std::string, PolytopeGeometry > PolytopeGeometryMap;
 
-            osg::Vec2s								  _hudSize;
-            osg::Vec2s								  _hudOrigin;
+            osg::Vec2s                                  _hudSize;
+            osg::Vec2s                                  _hudOrigin;
             osg::Vec2s                                _viewportSize;
             osg::Vec2s                                _viewportOrigin;
             osg::Vec2s                                _orthoSize;
@@ -126,7 +126,7 @@ class OSGSHADOW_EXPORT DebugShadowMap : public ViewDependentShadowTechnique
 
             bool                                     *_doDebugDrawPtr;
 
-            PolytopeGeometryMap					      _polytopeGeometryMap;
+            PolytopeGeometryMap                          _polytopeGeometryMap;
             osg::ref_ptr< osg::Geode >                _geode[2];
             osg::ref_ptr< osg::MatrixTransform >      _transform[2];
 
@@ -134,9 +134,9 @@ class OSGSHADOW_EXPORT DebugShadowMap : public ViewDependentShadowTechnique
             std::map< std::string, osg::Polytope >    _polytopeMap;
             std::map< std::string, osg::BoundingBox > _boundingBoxMap;
 
-            osg::ref_ptr<osg::Camera>                 _cameraDebugHUD;			
+            osg::ref_ptr<osg::Camera>                 _cameraDebugHUD;            
 
-            bool getDebugDraw()	{ return *_doDebugDrawPtr; }
+            bool getDebugDraw()    { return *_doDebugDrawPtr; }
 
             virtual void init( ThisClass * st, osgUtil::CullVisitor * cv );
 
diff --git a/include/osgShadow/MinimalShadowMap b/include/osgShadow/MinimalShadowMap
index 5ff53cf5e..569b12e17 100644
--- a/include/osgShadow/MinimalShadowMap
+++ b/include/osgShadow/MinimalShadowMap
@@ -129,7 +129,7 @@ class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
                 osg::BoundingBox(-1,-1,-1,1,1,1) );
 
             osg::BoundingBox computeScenePolytopeBounds
-                ( const osg::Matrix & m = *(osg::Matrix*)(NULL) );	
+                ( const osg::Matrix & m = *(osg::Matrix*)(NULL) );    
 
             // Utility methods for adjusting projection matrices
 
diff --git a/include/osgShadow/ProjectionShadowMap b/include/osgShadow/ProjectionShadowMap
index b19cdc190..94b6207d2 100644
--- a/include/osgShadow/ProjectionShadowMap
+++ b/include/osgShadow/ProjectionShadowMap
@@ -54,9 +54,9 @@ class OSGSHADOW_EXPORT ProjectionShadowMap : public MinimalBoundsBaseClass
 
         struct ViewData: public BaseClass::ViewData, 
                          public ShadowProjectionAlgorithmClass
-        {	
+        {    
     #if 0
-            virtual void init( ThisClass * st, osgUtil::CullVisitor * cv );			
+            virtual void init( ThisClass * st, osgUtil::CullVisitor * cv );            
             {
                 BaseClass::ViewData::init( st, cv ); 
             }
diff --git a/include/osgShadow/StandardShadowMap b/include/osgShadow/StandardShadowMap
index 06d3e50f1..a8359260b 100644
--- a/include/osgShadow/StandardShadowMap
+++ b/include/osgShadow/StandardShadowMap
@@ -139,7 +139,7 @@ class OSGSHADOW_EXPORT StandardShadowMap : public DebugShadowMap
         osg::ref_ptr< osg::Light >    _light;
         float                         _polygonOffsetFactor;
         float                         _polygonOffsetUnits;
-        osg::Vec2s					  _textureSize;
+        osg::Vec2s                      _textureSize;
         unsigned int                  _baseTextureUnit;
         unsigned int                  _shadowTextureUnit;
         unsigned int                  _baseTextureCoordIndex;
diff --git a/include/osgShadow/ViewDependentShadowTechnique b/include/osgShadow/ViewDependentShadowTechnique
index cba472cea..55f53980c 100644
--- a/include/osgShadow/ViewDependentShadowTechnique
+++ b/include/osgShadow/ViewDependentShadowTechnique
@@ -203,7 +203,7 @@ class OSGSHADOW_EXPORT ViewDependentShadowTechnique
         typedef std::map< osg::ref_ptr< osgUtil::CullVisitor >,
                           osg::ref_ptr< ViewData > > ViewDataMap;
 
-        ViewDataMap	                                   _viewDataMap;
+        ViewDataMap                                       _viewDataMap;
 
 
         /**