diff --git a/source/Irrlicht/CColladaMeshWriter.cpp b/source/Irrlicht/CColladaMeshWriter.cpp
index c9805d5..496b15a 100644
--- a/source/Irrlicht/CColladaMeshWriter.cpp
+++ b/source/Irrlicht/CColladaMeshWriter.cpp
@@ -1827,7 +1827,7 @@ void CColladaMeshWriter::writeMeshGeometry(const irr::core::stringc& meshname, s
 
 		if ( buffer->getPrimitiveType() != EPT_TRIANGLES )
 		{
-			os::Printer::log("Collada writer does not support non-triangle meshbuffers. Mesh: ", meshname.c_str(), ELL_WARNING);
+			os::Printer::log("Collada writer does not support non-triangle meshbuffers. Mesh", meshname.c_str(), ELL_WARNING);
 			continue;
 		}
 
diff --git a/source/Irrlicht/CD3D9Driver.cpp b/source/Irrlicht/CD3D9Driver.cpp
index cf8769b..97596ee 100644
--- a/source/Irrlicht/CD3D9Driver.cpp
+++ b/source/Irrlicht/CD3D9Driver.cpp
@@ -3000,7 +3000,7 @@ bool CD3D9Driver::reset()
 		}
 		else
 		{
-			os::Printer::log("Resetting failed due to unknown reason.", core::stringc((int)hr).c_str(), ELL_WARNING);
+			os::Printer::log("Resetting failed due to unknown reason", core::stringc((int)hr).c_str(), ELL_WARNING);
 		}
 		return false;
 	}
diff --git a/source/Irrlicht/CGUIEnvironment.cpp b/source/Irrlicht/CGUIEnvironment.cpp
index 5d2a5f0..2ab30e7 100644
--- a/source/Irrlicht/CGUIEnvironment.cpp
+++ b/source/Irrlicht/CGUIEnvironment.cpp
@@ -810,7 +810,7 @@ bool CGUIEnvironment::loadGUI(const io::path& filename, IGUIElement* parent)
 	io::IReadFile* read = FileSystem->createAndOpenFile(filename);
 	if (!read)
 	{
-		os::Printer::log("Unable to open gui file", filename, ELL_ERROR);
+		os::Printer::log("Unable to open GUI file", filename, ELL_ERROR);
 		return false;
 	}
 
diff --git a/source/Irrlicht/CImageLoaderJPG.cpp b/source/Irrlicht/CImageLoaderJPG.cpp
index 0cd6a35..48c8997 100644
--- a/source/Irrlicht/CImageLoaderJPG.cpp
+++ b/source/Irrlicht/CImageLoaderJPG.cpp
@@ -137,7 +137,7 @@ bool CImageLoaderJPG::isALoadableFileFormat(io::IReadFile* file) const
 IImage* CImageLoaderJPG::loadImage(io::IReadFile* file) const
 {
 	#ifndef _IRR_COMPILE_WITH_LIBJPEG_
-	os::Printer::log("Can't load as not compiled with _IRR_COMPILE_WITH_LIBJPEG_:", file->getFileName(), ELL_DEBUG);
+	os::Printer::log("Can't load as not compiled with _IRR_COMPILE_WITH_LIBJPEG_", file->getFileName(), ELL_DEBUG);
 	return 0;
 	#else
 
diff --git a/source/Irrlicht/CImageLoaderPNG.cpp b/source/Irrlicht/CImageLoaderPNG.cpp
index 02beb80..076871f 100644
--- a/source/Irrlicht/CImageLoaderPNG.cpp
+++ b/source/Irrlicht/CImageLoaderPNG.cpp
@@ -99,14 +99,14 @@ IImage* CImageLoaderPng::loadImage(io::IReadFile* file) const
 	// Read the first few bytes of the PNG file
 	if( file->read(buffer, 8) != 8 )
 	{
-		os::Printer::log("LOAD PNG: can't read file\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("LOAD PNG: can't read file (filesize < 8)", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
 	// Check if it really is a PNG file
 	if( png_sig_cmp(buffer, 0, 8) )
 	{
-		os::Printer::log("LOAD PNG: not really a png\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("LOAD PNG: not really a png (wrong signature)", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
@@ -115,7 +115,7 @@ IImage* CImageLoaderPng::loadImage(io::IReadFile* file) const
 		NULL, (png_error_ptr)png_cpexcept_error, (png_error_ptr)png_cpexcept_warn);
 	if (!png_ptr)
 	{
-		os::Printer::log("LOAD PNG: Internal PNG create read struct failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("LOAD PNG: Internal PNG create read struct failure", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
@@ -123,7 +123,7 @@ IImage* CImageLoaderPng::loadImage(io::IReadFile* file) const
 	png_infop info_ptr = png_create_info_struct(png_ptr);
 	if (!info_ptr)
 	{
-		os::Printer::log("LOAD PNG: Internal PNG create info struct failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("LOAD PNG: Internal PNG create info struct failure", file->getFileName(), ELL_ERROR);
 		png_destroy_read_struct(&png_ptr, NULL, NULL);
 		return 0;
 	}
@@ -229,7 +229,7 @@ IImage* CImageLoaderPng::loadImage(io::IReadFile* file) const
 	video::IImage* image = new CImage(colorFormat, core::dimension2du(Width, Height));
 	if (!image)
 	{
-		os::Printer::log("LOAD PNG: Internal PNG create image struct failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("LOAD PNG: Internal PNG create image struct failure", file->getFileName(), ELL_ERROR);
 		png_destroy_read_struct(&png_ptr, NULL, NULL);
 		return 0;
 	}
@@ -238,7 +238,7 @@ IImage* CImageLoaderPng::loadImage(io::IReadFile* file) const
 	RowPointers = new png_bytep[Height];
 	if (!RowPointers)
 	{
-		os::Printer::log("LOAD PNG: Internal PNG create row pointers failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("LOAD PNG: Internal PNG create row pointers failure", file->getFileName(), ELL_ERROR);
 		png_destroy_read_struct(&png_ptr, NULL, NULL);
 		delete image;
 		return 0;
diff --git a/source/Irrlicht/CImageLoaderPSD.cpp b/source/Irrlicht/CImageLoaderPSD.cpp
index 3eb5c3b..00aadd6 100644
--- a/source/Irrlicht/CImageLoaderPSD.cpp
+++ b/source/Irrlicht/CImageLoaderPSD.cpp
@@ -80,7 +80,7 @@ IImage* CImageLoaderPSD::loadImage(io::IReadFile* file) const
 
 	if (header.mode != 3 || header.depth != 8)
 	{
-		os::Printer::log("Unsupported PSD color mode or depth.\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Unsupported PSD color mode or depth", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
@@ -93,7 +93,7 @@ IImage* CImageLoaderPSD::loadImage(io::IReadFile* file) const
 #endif
 	if (!file->seek(l, true))
 	{
-		os::Printer::log("Error seeking file pos to image resources.\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Error seeking file pos to image resources", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
@@ -105,7 +105,7 @@ IImage* CImageLoaderPSD::loadImage(io::IReadFile* file) const
 #endif
 	if (!file->seek(l, true))
 	{
-		os::Printer::log("Error seeking file pos to layer and mask.\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Error seeking file pos to layer and mask", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
@@ -117,7 +117,7 @@ IImage* CImageLoaderPSD::loadImage(io::IReadFile* file) const
 #endif
 	if (!file->seek(l, true))
 	{
-		os::Printer::log("Error seeking file pos to image data section.\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Error seeking file pos to image data section", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
@@ -131,7 +131,7 @@ IImage* CImageLoaderPSD::loadImage(io::IReadFile* file) const
 
 	if (compressionType != 1 && compressionType != 0)
 	{
-		os::Printer::log("Unsupported psd compression mode.\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Unsupported psd compression mode", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
@@ -171,7 +171,7 @@ bool CImageLoaderPSD::readRawImageData(io::IReadFile* file, const PsdHeader& hea
 	{
 		if (!file->read(tmpData, sizeof(c8) * header.width * header.height))
 		{
-			os::Printer::log("Error reading color channel\n", file->getFileName(), ELL_ERROR);
+			os::Printer::log("Error reading color channel", file->getFileName(), ELL_ERROR);
 			break;
 		}
 
@@ -247,7 +247,7 @@ bool CImageLoaderPSD::readRLEImageData(io::IReadFile* file, const PsdHeader& hea
 		{
 			delete [] tmpData;
 			delete [] rleCount;
-			os::Printer::log("Error reading rle rows\n", file->getFileName(), ELL_ERROR);
+			os::Printer::log("Error reading rle rows", file->getFileName(), ELL_ERROR);
 			return false;
 		}
 
@@ -263,7 +263,7 @@ bool CImageLoaderPSD::readRLEImageData(io::IReadFile* file, const PsdHeader& hea
 		delete [] rleCount;
 		delete [] buf;
 		delete [] tmpData;
-		os::Printer::log("Error reading rle rows\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Error reading rle rows", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 
diff --git a/source/Irrlicht/CImageLoaderTGA.cpp b/source/Irrlicht/CImageLoaderTGA.cpp
index 667f40d..8d91bd0 100644
--- a/source/Irrlicht/CImageLoaderTGA.cpp
+++ b/source/Irrlicht/CImageLoaderTGA.cpp
@@ -108,7 +108,7 @@ IImage* CImageLoaderTGA::loadImage(io::IReadFile* file) const
 
 	if (!IImage::checkDataSizeLimit((size_t)header.ImageWidth* header.ImageHeight * (header.PixelDepth/8)))
 	{
-		os::Printer::log("Image dimensions too large in file.", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Image dimensions too large in file", file->getFileName(), ELL_ERROR);
 		return 0;
 	}
 
diff --git a/source/Irrlicht/CImageWriterPNG.cpp b/source/Irrlicht/CImageWriterPNG.cpp
index 3da4345..c08100f 100644
--- a/source/Irrlicht/CImageWriterPNG.cpp
+++ b/source/Irrlicht/CImageWriterPNG.cpp
@@ -84,7 +84,7 @@ bool CImageWriterPNG::writeImage(io::IWriteFile* file, IImage* image,u32 param)
 		NULL, (png_error_ptr)png_cpexcept_error, (png_error_ptr)png_cpexcept_warning);
 	if (!png_ptr)
 	{
-		os::Printer::log("PNGWriter: Internal PNG create write struct failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("PNGWriter: Internal PNG create write struct failure", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 
@@ -92,7 +92,7 @@ bool CImageWriterPNG::writeImage(io::IWriteFile* file, IImage* image,u32 param)
 	png_infop info_ptr = png_create_info_struct(png_ptr);
 	if (!info_ptr)
 	{
-		os::Printer::log("PNGWriter: Internal PNG create info struct failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("PNGWriter: Internal PNG create info struct failure", file->getFileName(), ELL_ERROR);
 		png_destroy_write_struct(&png_ptr, NULL);
 		return false;
 	}
@@ -141,7 +141,7 @@ bool CImageWriterPNG::writeImage(io::IWriteFile* file, IImage* image,u32 param)
 	u8* tmpImage = new u8[image->getDimension().Height*lineWidth];
 	if (!tmpImage)
 	{
-		os::Printer::log("PNGWriter: Internal PNG create image failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("PNGWriter: Internal PNG create image failure", file->getFileName(), ELL_ERROR);
 		png_destroy_write_struct(&png_ptr, &info_ptr);
 		return false;
 	}
@@ -175,7 +175,7 @@ bool CImageWriterPNG::writeImage(io::IWriteFile* file, IImage* image,u32 param)
 	u8** RowPointers = new png_bytep[image->getDimension().Height];
 	if (!RowPointers)
 	{
-		os::Printer::log("PNGWriter: Internal PNG create row pointers failure\n", file->getFileName(), ELL_ERROR);
+		os::Printer::log("PNGWriter: Internal PNG create row pointers failure", file->getFileName(), ELL_ERROR);
 		png_destroy_write_struct(&png_ptr, &info_ptr);
 		delete [] tmpImage;
 		return false;
diff --git a/source/Irrlicht/CIrrDeviceLinux.cpp b/source/Irrlicht/CIrrDeviceLinux.cpp
index 1abd32c..4605793 100644
--- a/source/Irrlicht/CIrrDeviceLinux.cpp
+++ b/source/Irrlicht/CIrrDeviceLinux.cpp
@@ -306,8 +306,8 @@ bool CIrrDeviceLinux::switchToFullscreen(bool reset)
 		if (bestMode != -1)
 		{
 			os::Printer::log("Starting vidmode fullscreen mode...", ELL_INFORMATION);
-			os::Printer::log("hdisplay: ", core::stringc(modes[bestMode]->hdisplay).c_str(), ELL_INFORMATION);
-			os::Printer::log("vdisplay: ", core::stringc(modes[bestMode]->vdisplay).c_str(), ELL_INFORMATION);
+			os::Printer::log("hdisplay", core::stringc(modes[bestMode]->hdisplay).c_str(), ELL_INFORMATION);
+			os::Printer::log("vdisplay", core::stringc(modes[bestMode]->vdisplay).c_str(), ELL_INFORMATION);
 
 			XF86VidModeSwitchToMode(XDisplay, Screennr, modes[bestMode]);
 			XF86VidModeSetViewPort(XDisplay, Screennr, 0, 0);
@@ -343,8 +343,8 @@ bool CIrrDeviceLinux::switchToFullscreen(bool reset)
 		if (bestMode != -1)
 		{
 			os::Printer::log("Starting randr fullscreen mode...", ELL_INFORMATION);
-			os::Printer::log("width: ", core::stringc(modes[bestMode].width).c_str(), ELL_INFORMATION);
-			os::Printer::log("height: ", core::stringc(modes[bestMode].height).c_str(), ELL_INFORMATION);
+			os::Printer::log("width", core::stringc(modes[bestMode].width).c_str(), ELL_INFORMATION);
+			os::Printer::log("height", core::stringc(modes[bestMode].height).c_str(), ELL_INFORMATION);
 
 			XRRSetScreenConfig(XDisplay,config,DefaultRootWindow(XDisplay),bestMode,OldRandrRotation,CurrentTime);
 			UseXRandR=true;
@@ -367,26 +367,26 @@ void IrrPrintXGrabError(int grabResult, const c8 * grabCommand )
 {
 	if ( grabResult == GrabSuccess )
 	{
-//		os::Printer::log(grabCommand, ": GrabSuccess", ELL_INFORMATION);
+//		os::Printer::log(grabCommand, "GrabSuccess", ELL_INFORMATION);
 		return;
 	}
 
 	switch ( grabResult )
 	{
 		case AlreadyGrabbed:
-			os::Printer::log(grabCommand, ": AlreadyGrabbed", ELL_WARNING);
+			os::Printer::log(grabCommand, "AlreadyGrabbed", ELL_WARNING);
 			break;
 		case GrabNotViewable:
-			os::Printer::log(grabCommand, ": GrabNotViewable", ELL_WARNING);
+			os::Printer::log(grabCommand, "GrabNotViewable", ELL_WARNING);
 			break;
 		case GrabFrozen:
-			os::Printer::log(grabCommand, ": GrabFrozen", ELL_WARNING);
+			os::Printer::log(grabCommand, "GrabFrozen", ELL_WARNING);
 			break;
 		case GrabInvalidTime:
-			os::Printer::log(grabCommand, ": GrabInvalidTime", ELL_WARNING);
+			os::Printer::log(grabCommand, "GrabInvalidTime", ELL_WARNING);
 			break;
 		default:
-			os::Printer::log(grabCommand, ": grab failed with unknown problem", ELL_WARNING);
+			os::Printer::log(grabCommand, "grab failed with unknown problem", ELL_WARNING);
 			break;
 	}
 }
@@ -455,7 +455,7 @@ bool CIrrDeviceLinux::createWindow()
 	}
 #ifdef _DEBUG
 	else
-		os::Printer::log("Visual chosen: ", core::stringc(static_cast<u32>(VisualInfo->visualid)).c_str(), ELL_DEBUG);
+		os::Printer::log("Visual chosen", core::stringc(static_cast<u32>(VisualInfo->visualid)).c_str(), ELL_DEBUG);
 #endif
 
 	// create color map
@@ -1945,7 +1945,7 @@ Bool PredicateIsEventType(Display *display, XEvent *event, XPointer arg)
 {
 	if ( event && event->type == *(int*)arg )
 	{
-//		os::Printer::log("remove event:", core::stringc((int)arg).c_str(), ELL_INFORMATION);
+//		os::Printer::log("remove event", core::stringc((int)arg).c_str(), ELL_INFORMATION);
 		return True;
 	}
 	return False;
diff --git a/source/Irrlicht/CIrrDeviceSDL.cpp b/source/Irrlicht/CIrrDeviceSDL.cpp
index f883bc2..0a0f371 100644
--- a/source/Irrlicht/CIrrDeviceSDL.cpp
+++ b/source/Irrlicht/CIrrDeviceSDL.cpp
@@ -69,7 +69,7 @@ CIrrDeviceSDL::CIrrDeviceSDL(const SIrrlichtCreationParameters& param)
 #endif
 					SDL_INIT_NOPARACHUTE ) < 0)
 		{
-			os::Printer::log( "Unable to initialize SDL!", SDL_GetError());
+			os::Printer::log("Unable to initialize SDL!", SDL_GetError());
 			Close = true;
 		}
 		else
@@ -219,7 +219,7 @@ bool CIrrDeviceSDL::createWindow()
 	}
 	if ( !Screen )
 	{
-		os::Printer::log( "Could not initialize display!" );
+		os::Printer::log("Could not initialize display!" );
 		return false;
 	}
 
diff --git a/source/Irrlicht/CIrrMeshFileLoader.cpp b/source/Irrlicht/CIrrMeshFileLoader.cpp
index e24d7a5..84754ea 100644
--- a/source/Irrlicht/CIrrMeshFileLoader.cpp
+++ b/source/Irrlicht/CIrrMeshFileLoader.cpp
@@ -458,7 +458,7 @@ void CIrrMeshFileLoader::skipSection(io::IXMLReader* reader, bool reportSkipping
 		{
 			#ifdef _DEBUG
 			if (reportSkipping)
-				os::Printer::log("irrMesh unknown element:", core::stringc(reader->getNodeName()).c_str());
+				os::Printer::log("irrMesh unknown element", core::stringc(reader->getNodeName()).c_str());
 			#endif
 
 			++tagCounter;
diff --git a/source/Irrlicht/CLWOMeshFileLoader.cpp b/source/Irrlicht/CLWOMeshFileLoader.cpp
index ce15844..d30a6eb 100644
--- a/source/Irrlicht/CLWOMeshFileLoader.cpp
+++ b/source/Irrlicht/CLWOMeshFileLoader.cpp
@@ -1945,7 +1945,7 @@ void CLWOMeshFileLoader::readMat(u32 size)
 			default:
 				{
 #ifdef LWO_READER_DEBUG
-					os::Printer::log("LWO loader: skipping ", core::stringc((char*)&uiType, 4));
+					os::Printer::log("LWO loader: skipping", core::stringc((char*)&uiType, 4));
 #endif
 					File->seek(subsize, true);
 					size -= subsize;
diff --git a/source/Irrlicht/CMD2MeshFileLoader.cpp b/source/Irrlicht/CMD2MeshFileLoader.cpp
index 5aa16c8..78136e7 100644
--- a/source/Irrlicht/CMD2MeshFileLoader.cpp
+++ b/source/Irrlicht/CMD2MeshFileLoader.cpp
@@ -199,7 +199,7 @@ bool CMD2MeshFileLoader::loadFile(io::IReadFile* file, CAnimatedMeshMD2* mesh)
 	if (!file->read(textureCoords, sizeof(SMD2TextureCoordinate)*header.numTexcoords))
 	{
 		delete[] textureCoords;
-		os::Printer::log("MD2 Loader: Error reading TextureCoords.", file->getFileName(), ELL_ERROR);
+		os::Printer::log("MD2 Loader: Error reading TextureCoords", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 
@@ -221,7 +221,7 @@ bool CMD2MeshFileLoader::loadFile(io::IReadFile* file, CAnimatedMeshMD2* mesh)
 		delete[] triangles;
 		delete[] textureCoords;
 
-		os::Printer::log("MD2 Loader: Error reading triangles.", file->getFileName(), ELL_ERROR);
+		os::Printer::log("MD2 Loader: Error reading triangles", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 
diff --git a/source/Irrlicht/CMS3DMeshFileLoader.cpp b/source/Irrlicht/CMS3DMeshFileLoader.cpp
index 4ad18aa..77ef21c 100644
--- a/source/Irrlicht/CMS3DMeshFileLoader.cpp
+++ b/source/Irrlicht/CMS3DMeshFileLoader.cpp
@@ -242,7 +242,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 	if (pPtr + ((sizeof(MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES) * numVertices) > buffer+fileSize)
 	{
 		delete [] buffer;
-		os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 	for (u16 tmp=0; tmp<numVertices; ++tmp)
@@ -273,7 +273,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 	if (pPtr + ((sizeof(MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES) * numTriangles) > buffer+fileSize)
 	{
 		delete [] buffer;
-		os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 	for (u16 tmp=0; tmp<numTriangles; ++tmp)
@@ -349,7 +349,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 		if (pPtr > buffer+fileSize)
 		{
 			delete [] buffer;
-			os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+			os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 			return false;
 		}
 	}
@@ -390,7 +390,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 		if (pPtr > buffer+fileSize)
 		{
 			delete [] buffer;
-			os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+			os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 			return false;
 		}
 
@@ -452,7 +452,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 	if (pPtr > buffer+fileSize)
 	{
 		delete [] buffer;
-		os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 
@@ -479,7 +479,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 		if (pPtr > buffer+fileSize)
 		{
 			delete [] buffer;
-			os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+			os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 			return false;
 		}
 
@@ -529,7 +529,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 			if (pPtr > buffer+fileSize)
 			{
 				delete [] buffer;
-				os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+				os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 				return false;
 			}
 
@@ -569,7 +569,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 			if (pPtr > buffer+fileSize)
 			{
 				delete [] buffer;
-				os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+				os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 				return false;
 			}
 
@@ -625,7 +625,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 			if (pPtr > buffer+fileSize)
 			{
 				delete [] buffer;
-				os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+				os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 				return false;
 			}
 		}
@@ -657,7 +657,7 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
 			if (pPtr > buffer+fileSize)
 			{
 				delete [] buffer;
-				os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
+				os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
 				return false;
 			}
 		}
diff --git a/source/Irrlicht/COBJMeshFileLoader.cpp b/source/Irrlicht/COBJMeshFileLoader.cpp
index 9fe99b0..dfca89a 100644
--- a/source/Irrlicht/COBJMeshFileLoader.cpp
+++ b/source/Irrlicht/COBJMeshFileLoader.cpp
@@ -250,7 +250,7 @@ IAnimatedMesh* COBJMeshFileLoader::createMesh(io::IReadFile* file)
 					v.Pos = vertexBuffer[Idx[0]];
 				else
 				{
-					os::Printer::log("Invalid vertex index in this line:", wordBuffer.c_str(), ELL_ERROR);
+					os::Printer::log("Invalid vertex index in this line", wordBuffer.c_str(), ELL_ERROR);
 					delete [] buf;
 					return 0;
 				}
diff --git a/source/Irrlicht/CQ3LevelMesh.cpp b/source/Irrlicht/CQ3LevelMesh.cpp
index b2f9060..53b1dff 100644
--- a/source/Irrlicht/CQ3LevelMesh.cpp
+++ b/source/Irrlicht/CQ3LevelMesh.cpp
@@ -112,7 +112,7 @@ bool CQ3LevelMesh::loadFile(io::IReadFile* file)
 			( header.strID != 0x50534252 || header.version != 1 ) // RBSP, starwars jedi, sof
 		)
 	{
-		os::Printer::log("Could not load .bsp file, unknown header.", file->getFileName(), ELL_ERROR);
+		os::Printer::log("Could not load .bsp file, unknown header", file->getFileName(), ELL_ERROR);
 		return false;
 	}
 
diff --git a/source/Irrlicht/CSceneManager.cpp b/source/Irrlicht/CSceneManager.cpp
index 4302cfa..42bf9b5 100644
--- a/source/Irrlicht/CSceneManager.cpp
+++ b/source/Irrlicht/CSceneManager.cpp
@@ -438,7 +438,7 @@ IAnimatedMesh* CSceneManager::getMesh(const io::path& filename, const io::path&
 	io::IReadFile* file = FileSystem->createAndOpenFile(filename);
 	if (!file)
 	{
-		os::Printer::log("Could not load mesh, because file could not be opened: ", filename, ELL_ERROR);
+		os::Printer::log("Could not load mesh, because file could not be opened", filename, ELL_ERROR);
 		return 0;
 	}
 
@@ -2377,7 +2377,7 @@ bool CSceneManager::loadScene(io::IReadFile* file, ISceneUserDataSerializer* use
 			ret = SceneLoaderList[i]->loadScene(file, userDataSerializer, rootNode);
 
 	if (!ret)
-		os::Printer::log("Could not load scene file, perhaps the format is unsupported: ", file->getFileName().c_str(), ELL_ERROR);
+		os::Printer::log("Could not load scene file, perhaps the format is unsupported", file->getFileName().c_str(), ELL_ERROR);
 
 	return ret;
 }
diff --git a/source/Irrlicht/CSkinnedMesh.cpp b/source/Irrlicht/CSkinnedMesh.cpp
index bc94759..d53bf1b 100644
--- a/source/Irrlicht/CSkinnedMesh.cpp
+++ b/source/Irrlicht/CSkinnedMesh.cpp
@@ -1104,27 +1104,27 @@ void CSkinnedMesh::finalize()
 
 		if ( redundantPosKeys > 0 )
 		{
-			os::Printer::log("Skinned Mesh - redundant position frames kicked:", core::stringc(redundantPosKeys).c_str(), ELL_DEBUG);
+			os::Printer::log("Skinned Mesh - redundant position frames kicked", core::stringc(redundantPosKeys).c_str(), ELL_DEBUG);
 		}
 		if ( unorderedPosKeys > 0 )
 		{
-			irr::os::Printer::log("Skinned Mesh - unsorted position frames kicked:", irr::core::stringc(unorderedPosKeys).c_str(), irr::ELL_DEBUG);
+			irr::os::Printer::log("Skinned Mesh - unsorted position frames kicked", irr::core::stringc(unorderedPosKeys).c_str(), irr::ELL_DEBUG);
 		}
 		if ( redundantScaleKeys > 0 )
 		{
-			os::Printer::log("Skinned Mesh - redundant scale frames kicked:", core::stringc(redundantScaleKeys).c_str(), ELL_DEBUG);
+			os::Printer::log("Skinned Mesh - redundant scale frames kicked", core::stringc(redundantScaleKeys).c_str(), ELL_DEBUG);
 		}
 		if ( unorderedScaleKeys > 0 )
 		{
-			irr::os::Printer::log("Skinned Mesh - unsorted scale frames kicked:", irr::core::stringc(unorderedScaleKeys).c_str(), irr::ELL_DEBUG);
+			irr::os::Printer::log("Skinned Mesh - unsorted scale frames kicked", irr::core::stringc(unorderedScaleKeys).c_str(), irr::ELL_DEBUG);
 		}
 		if ( redundantRotationKeys > 0 )
 		{
-			os::Printer::log("Skinned Mesh - redundant rotation frames kicked:", core::stringc(redundantRotationKeys).c_str(), ELL_DEBUG);
+			os::Printer::log("Skinned Mesh - redundant rotation frames kicked", core::stringc(redundantRotationKeys).c_str(), ELL_DEBUG);
 		}
 		if ( unorderedRotationKeys > 0 )
 		{
-			irr::os::Printer::log("Skinned Mesh - unsorted rotation frames kicked:", irr::core::stringc(unorderedRotationKeys).c_str(), irr::ELL_DEBUG);
+			irr::os::Printer::log("Skinned Mesh - unsorted rotation frames kicked", irr::core::stringc(unorderedRotationKeys).c_str(), irr::ELL_DEBUG);
 		}
 	}
 
diff --git a/source/Irrlicht/CTerrainSceneNode.cpp b/source/Irrlicht/CTerrainSceneNode.cpp
index 395a45d..0dbb96a 100644
--- a/source/Irrlicht/CTerrainSceneNode.cpp
+++ b/source/Irrlicht/CTerrainSceneNode.cpp
@@ -265,7 +265,7 @@ namespace scene
 		{
 			if ((filesize-file->getPos())/bytesPerPixel>(size_t)(width*width))
 			{
-				os::Printer::log("Error reading heightmap RAW file", "File is too small.");
+				os::Printer::log("Error reading heightmap RAW file: File is too small.");
 				return false;
 			}
 			TerrainData.Size = width;
diff --git a/source/Irrlicht/CWGLManager.cpp b/source/Irrlicht/CWGLManager.cpp
index da9fb1a..1368c3d 100644
--- a/source/Irrlicht/CWGLManager.cpp
+++ b/source/Irrlicht/CWGLManager.cpp
@@ -463,7 +463,7 @@ bool CWGLManager::activateContext(const SExposedVideoData& videoData, bool resto
 	{
 		if (!wglMakeCurrent((HDC)PrimaryContext.OpenGLWin32.HDc, (HGLRC)PrimaryContext.OpenGLWin32.HRc))
 		{
-			os::Printer::log("Render Context switch failed.");
+			os::Printer::log("Render Context switch (back to main) failed.");
 			return false;
 		}
 		CurrentContext=PrimaryContext;
diff --git a/source/Irrlicht/CXMeshFileLoader.cpp b/source/Irrlicht/CXMeshFileLoader.cpp
index 4678c85..db72b21 100644
--- a/source/Irrlicht/CXMeshFileLoader.cpp
+++ b/source/Irrlicht/CXMeshFileLoader.cpp
@@ -491,7 +491,7 @@ bool CXMeshFileLoader::parseDataObject()
 
 	// parse specific object
 #ifdef _XREADER_DEBUG
-	os::Printer::log("debug DataObject:", objectName.c_str(), ELL_DEBUG);
+	os::Printer::log("debug DataObject", objectName.c_str(), ELL_DEBUG);
 #endif
 
 	if (objectName == "template")
@@ -848,7 +848,7 @@ bool CXMeshFileLoader::parseDataObjectMesh(SXMesh &mesh)
 		}
 
 #ifdef _XREADER_DEBUG
-		os::Printer::log("debug DataObject in mesh:", objectName.c_str(), ELL_DEBUG);
+		os::Printer::log("debug DataObject in mesh", objectName.c_str(), ELL_DEBUG);
 #endif
 
 		if (objectName == "MeshNormals")
diff --git a/source/Irrlicht/os.h b/source/Irrlicht/os.h
index 8d1c9ec..a8d3ab2 100644
--- a/source/Irrlicht/os.h
+++ b/source/Irrlicht/os.h
@@ -37,6 +37,8 @@ namespace os
 		static void print(const c8* message);
 		static void log(const c8* message, ELOG_LEVEL ll = ELL_INFORMATION);
 		static void log(const wchar_t* message, ELOG_LEVEL ll = ELL_INFORMATION);
+
+		// The string ": " is added between message and hint
 		static void log(const c8* message, const c8* hint, ELOG_LEVEL ll = ELL_INFORMATION);
 		static void log(const c8* message, const io::path& hint, ELOG_LEVEL ll = ELL_INFORMATION);
 		static ILogger* Logger;