Fixed GetTarget() returning incorrect type.

Documentation tweaks.

sdlrender.mod/common.bmx

@@ -124,48 +124,48 @@ End Extern
 
 
 Rem
-bbdoc: changes rarely, not lockable
+bbdoc: Changes rarely, not lockable
 End Rem
-Const SDL_TEXTUREACCESS_STATIC:Int = 0
+Const SDL_TEXTUREACCESS_STATIC:UInt = 0
 
 Rem
-bbdoc: changes frequently, lockable
+bbdoc: Changes frequently, lockable
 End Rem
-Const SDL_TEXTUREACCESS_STREAMING:Int = 1
+Const SDL_TEXTUREACCESS_STREAMING:UInt = 1
 
 Rem
-bbdoc: can be used as a render target
+bbdoc: Can be used as a render target
 End Rem
-Const SDL_TEXTUREACCESS_TARGET:Int = 2
+Const SDL_TEXTUREACCESS_TARGET:UInt = 2
 
 Rem
-bbdoc: do not flip
+bbdoc: Do not flip
 End Rem
 Const SDL_FLIP_NONE:Int = 0
 Rem
-bbdoc: flip horizontally
+bbdoc: Flip horizontally
 End Rem
 Const SDL_FLIP_HORIZONTAL:Int = 1
 
 Rem
-bbdoc: flip vertically
+bbdoc: Flip vertically
 End Rem
 Const SDL_FLIP_VERTICAL:Int = 2
 
 Rem
-bbdoc: the renderer is a software fallback
+bbdoc: The renderer is a software fallback
 End Rem
 Const SDL_RENDERER_SOFTWARE:Int = $01
 Rem
-bbdoc: the renderer uses hardware acceleration
+bbdoc: The renderer uses hardware acceleration
 End Rem
 Const SDL_RENDERER_ACCELERATED:Int = $02
 Rem
-bbdoc: present is synchronized with the refresh rate
+bbdoc: Present is synchronized with the refresh rate
 End Rem
 Const SDL_RENDERER_PRESENTVSYNC:Int = $04
 Rem
-bbdoc: the renderer supports rendering to texture
+bbdoc: The renderer supports rendering to texture
 End Rem
 Const SDL_RENDERER_TARGETTEXTURE:Int = $08
 
@@ -222,7 +222,7 @@ Struct SDLRendererInfo
 	Field maxTextureHeight:Int
 
 	Rem
-	bbdoc: Returns the name of the renderer
+	bbdoc: Returns the name of the renderer.
 	End Rem
 	Method GetName:String()
 		Return String.FromUTF8String(name)

sdlrender.mod/sdlrender.bmx

@@ -103,10 +103,12 @@ Type TSDLRenderer
 	End Method
 	
 	Rem
-	bbdoc: Getsthe current render target.
+	bbdoc: Gets the current render target.
+	returns: The current render target or #Null for the default render target.
+	about: The default render target is the window for which the renderer was created, and is reported as #Null here.
 	End Rem
-	Method GetTarget:TSDLSurface()
-		Return TSDLSurface._create(SDL_GetRenderTarget(rendererPtr))
+	Method GetTarget:TSDLTexture()
+		Return TSDLTexture._create(SDL_GetRenderTarget(rendererPtr))
 	End Method
 	
 	Rem
@@ -341,7 +343,13 @@ Type TSDLRenderer
 	End Method
 	
 	Rem
-	bbdoc: Sets a texture as the current rendering target.
+	bbdoc: Sets a texture as the current rendering target. The texture must have been created with the #SDL_TEXTUREACCESS_TARGET flag.
+	returns: 0 on success or a negative error code on failure; call #SDLGetError() for more information.
+	about: Before using this method, you should check the SDL_RENDERER_TARGETTEXTURE bit in the flags of SDL_RendererInfo
+	to see if render targets are supported.
+
+	The default render target is the window for which the renderer was created.
+	To stop rendering to a texture and render to the window again, call this method with a #Null texture.
 	End Rem
 	Method SetTarget:Int(texture:TSDLTexture)
 		If texture Then