GL_APPLE_vertex_array_range
http://www.opengl.org/registry/specs/APPLE/vertex_array_range.txt
	GL_VERTEX_ARRAY_RANGE_APPLE 0x851D
	GL_VERTEX_ARRAY_RANGE_LENGTH_APPLE 0x851E
	GL_VERTEX_ARRAY_STORAGE_HINT_APPLE 0x851F
	GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_APPLE 0x8520
	GL_VERTEX_ARRAY_RANGE_POINTER_APPLE 0x8521
	GL_STORAGE_CACHED_APPLE 0x85BE
	GL_STORAGE_SHARED_APPLE 0x85BF
	void glFlushVertexArrayRangeAPPLE (GLsizei length, void* pointer)
	void glVertexArrayParameteriAPPLE (GLenum pname, GLint param)
	void glVertexArrayRangeAPPLE (GLsizei length, void* pointer)
