
  0.5           version 0.5 used in GTK 2.2.3
  0.7           version 0.7 used in GTK 2.2.4, 2.2.latest
  0.8           version 0.8 used in GTK 2.4.0, 2.4.1
  0.9           version 0.9 used in GTK 2.4.2, 2.4.3, 2.4.latest


