Merge from 1-7 branch, releases 3927-3942. Just documentation fixes.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3943 dfc29bdd-3216-0410-991c-e03cc46cb475

include/SSharedMeshBuffer.h

@@ -173,7 +173,6 @@ namespace scene
 		//! append the meshbuffer to the current buffer
 		virtual void append(const IMeshBuffer* const other) {}
 
-
 		//! get the current hardware mapping hint
 		virtual E_HARDWARE_MAPPING getHardwareMappingHint_Vertex() const
 		{
@@ -195,7 +194,6 @@ namespace scene
 				MappingHintIndex=NewMappingHint;
 		}
 
-
 		//! flags the mesh as changed, reloads hardware buffers
 		virtual void setDirty(E_BUFFER_TYPE buffer=EBT_VERTEX_AND_INDEX)
 		{
@@ -234,7 +232,6 @@ namespace scene
 		//! hardware mapping hint
 		E_HARDWARE_MAPPING MappingHintVertex;
 		E_HARDWARE_MAPPING MappingHintIndex;
-
 	};
 
 

include/SViewFrustum.h

@@ -19,7 +19,7 @@ namespace scene
 
 	//! Defines the view frustum. That's the space visible by the camera.
 	/** The view frustum is enclosed by 6 planes. These six planes share
-	four points. A bounding box around these four points is also stored in
+	eight points. A bounding box around these eight points is also stored in
 	this structure.
 	*/
 	struct SViewFrustum

include/plane3d.h

@@ -24,6 +24,11 @@ enum EIntersectionRelation3D
 };
 
 //! Template plane class with some intersection testing methods.
+/** It has to be ensured, that the normal is always normalized. The constructors
+    and setters of this class will not ensure this automatically. So any normal
+    passed in has to be normalized in advance. No change to the normal will be
+    made by any of the class methods.
+*/
 template <class T>
 class plane3d
 {