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diff --git a/src/glm/gtx/projection.hpp b/src/glm/gtx/projection.hpp
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+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2009-03-06
+// Licence : This source is under MIT License
+// File    : glm/gtx/projection.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_projection
+#define glm_gtx_projection
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_projection extension included")
+#endif
+
+namespace glm{
+namespace gtx{
+namespace projection ///< GLM_GTX_projection extension: Projection of a vector to other one
+{
+	/// \addtogroup gtx_projection
+	/// @{
+
+	//! Projects x on Normal.
+	//! From GLM_GTX_projection extension.
+	template <typename T> 
+	detail::tvec2<T> proj(
+		detail::tvec2<T> const & x, 
+		detail::tvec2<T> const & Normal);
+		
+	//! Projects x on Normal.
+	//! From GLM_GTX_projection extension.
+	template <typename T> 
+	detail::tvec3<T> proj(
+		detail::tvec3<T> const & x, 
+		detail::tvec3<T> const & Normal);
+
+	//! Projects x on Normal.
+	//! From GLM_GTX_projection extension.
+	template <typename T> 
+	detail::tvec4<T> proj(
+		detail::tvec4<T> const & x, 
+		detail::tvec4<T> const & Normal);
+
+	/// @}
+}//namespace projection
+}//namespace gtx
+}//namespace glm
+
+#include "projection.inl"
+
+namespace glm{using namespace gtx::projection;}
+
+#endif//glm_gtx_projection