[gl-manpages/f18] (5 commits) ...Re-add the older gl-manpages for those not present in khronos

[Adam Jackson]

Summary of changes:

  919fd7e... Try building gl-manpages from the Khronos source (*)
  a501ac3... ...oops sources... (*)
  00d24c1... ...oops sources... (*)
  35caa37... New sources again.. (*)
  bf0de0a... Re-add the older gl-manpages for those not present in khron (*)

(*) This commit already existed in another branch; no separate mail sent