GL_NV_half_float
http://oss.sgi.com/projects/ogl-sample/registry/NV/half_float.txt
	GL_HALF_FLOAT_NV 0x140B
	void glColor3hNV (GLuint red, GLuint green, GLuint blue)
	void glColor3hvNV (const GLuint* v)
	void glColor4hNV (GLuint red, GLuint green, GLuint blue, GLuint alpha)
	void glColor4hvNV (const GLuint* v)
	void glFogCoordhNV (GLuint fog)
	void glFogCoordhvNV (const GLuint* fog)
	void glMultiTexCoord1hNV (GLenum target, GLuint s)
	void glMultiTexCoord1hvNV (GLenum target, const GLuint* v)
	void glMultiTexCoord2hNV (GLenum target, GLuint s, GLuint t)
	void glMultiTexCoord2hvNV (GLenum target, const GLuint* v)
	void glMultiTexCoord3hNV (GLenum target, GLuint s, GLuint t, GLuint r)
	void glMultiTexCoord3hvNV (GLenum target, const GLuint* v)
	void glMultiTexCoord4hNV (GLenum target, GLuint s, GLuint t, GLuint r, GLuint q)
	void glMultiTexCoord4hvNV (GLenum target, const GLuint* v)
	void glNormal3hNV (GLuint nx, GLuint ny, GLuint nz)
	void glNormal3hvNV (const GLuint* v)
	void glSecondaryColor3hNV (GLuint red, GLuint green, GLuint blue)
	void glSecondaryColor3hvNV (const GLuint* v)
	void glTexCoord1hNV (GLuint s)
	void glTexCoord1hvNV (const GLuint* v)
	void glTexCoord2hNV (GLuint s, GLuint t)
	void glTexCoord2hvNV (const GLuint* v)
	void glTexCoord3hNV (GLuint s, GLuint t, GLuint r)
	void glTexCoord3hvNV (const GLuint* v)
	void glTexCoord4hNV (GLuint s, GLuint t, GLuint r, GLuint q)
	void glTexCoord4hvNV (const GLuint* v)
	void glVertex2hNV (GLuint x, GLuint y)
	void glVertex2hvNV (const GLuint* v)
	void glVertex3hNV (GLuint x, GLuint y, GLuint z)
	void glVertex3hvNV (const GLuint* v)
	void glVertex4hNV (GLuint x, GLuint y, GLuint z, GLuint w)
	void glVertex4hvNV (const GLuint* v)
	void glVertexAttrib1hNV (GLuint index, GLuint x)
	void glVertexAttrib1hvNV (GLuint index, const GLuint* v)
	void glVertexAttrib2hNV (GLuint index, GLuint x, GLuint y)
	void glVertexAttrib2hvNV (GLuint index, const GLuint* v)
	void glVertexAttrib3hNV (GLuint index, GLuint x, GLuint y, GLuint z)
	void glVertexAttrib3hvNV (GLuint index, const GLuint* v)
	void glVertexAttrib4hNV (GLuint index, GLuint x, GLuint y, GLuint z, GLuint w)
	void glVertexAttrib4hvNV (GLuint index, const GLuint* v)
	void glVertexAttribs1hvNV (GLuint index, GLsizei n, const GLuint* v)
	void glVertexAttribs2hvNV (GLuint index, GLsizei n, const GLuint* v)
	void glVertexAttribs3hvNV (GLuint index, GLsizei n, const GLuint* v)
	void glVertexAttribs4hvNV (GLuint index, GLsizei n, const GLuint* v)
	void glVertexWeighthNV (GLuint weight)
	void glVertexWeighthvNV (const GLuint* weight)
	typedef unsigned short GLhalf
