patch applied (packages/OpenGL): OpenGL distinguishes 3 kinds of generic vertex attributes, reflect this in our class structure

[Sven Panne]

Wed May 13 01:49:42 PDT 2009  sven.panne at aedion.de
  * OpenGL distinguishes 3 kinds of generic vertex attributes, reflect this in our class structure
  Ignore-this: 79a98641908bb03d0aa880053fafef43

    M ./Graphics/Rendering/OpenGL/GL/VertexSpec.hs -129 +254

View patch online:
http://darcs.haskell.org/packages/OpenGL/_darcs/patches/20090513084942-96103-ff2ec5591ac739234fdd79f94c773282ad6a54a7.gz